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ISNA-18
公表論文 Publications

2018

9) Transmission of Point Chirality to Axial Chirality for Strong Circular Dichroism in Triarylmethylium-o,o-dimer.
Y. Ishigaki, T. Iwai, Y. Hayashi, A. Nagaki, R. Katoono, K. Fujiwara, J. Yoshida, T. Suzuki
Synlett 2018, in press. 

8) Trithiazolyl-1,3,5-triazines bearing decyloxybenzene moieties: synthesis, photophysical and electrochemical properties, and self-assembly behavior.
S. Kato, S. Jin, T. Kimura, N. Yoshikawa, D. Nara, K. Imamura, Y. Shiota, K. Yoshizawa, R. Katoono, T. Yamanobe, H. Uehara, Y. Nakamura
Org. Biomol. Chem. 2018, 16, 3584-3595.   [DOI: 10.1039/C8OB00471D]

7) Double bond formation based on nitroaldol reaction and radical elimination: a prototype segment connection method for the total synthesis of nigricanoside A dimethyl ester.
T. Tsunoda, K. Fujiwara, S. Okamoto, Y. Kondo, U. Akiba, Y. Ishigaki, R. Katoono, T. Suzuki
Tetrahedron Lett. 2018, 59, 1846-1850.   [DOI: 10.1016/j.tetlet.2018.03.091]

6) Narrower HOMO-LUMO gap attained by conformational switching through peripheral polyarylation in 1,4,5,8-tetraaza-9,10-anthraquinodimethanes.
T. Suzuki, Y. Ishigaki, K. Sugawara, Y. Umezawa, R. Katoono, A. Shimoyama, Y. Manabe, K. Fukase, T. Fukushima
Tetrahedron 2018, 74, 2239-2244.   [DOI: 10.1016/j.tet.2018.03.041]

5) Longest C–C Single Bond among Neutral Hydrocarbons with a Bond Length beyond 1.8 Å.
Y. Ishigaki, T. Shimajiri, T. Takeda, R. Katoono, T. Suzuki
Chem 2018, 4, 795-806.   [DOI: 10.1016/j.chempr.2018.01.011]

4) An improved synthesis of the C42-C52 segment of ciguatoxin 3C.
T. Saito, K. Fujiwara, Y. Sano, T. Sato, Y. Kondo, U. Akiba, Y. Ishigaki, R. Katoono, T. Suzuki
Tetrahedron Lett. 2018, 59, 1372-1376.   [DOI: 10.1016/j.tetlet.2018.02.052]

3) Supramolecular chiroptical switching of helical-sense preferences through the two-way intramolecular transmission of a single chiral source associated with a dynamic helical loop.
R. Katoono, K. Kusaka, Y. Tanaka, K. Fujiwara, T. Suzuki
Org. Biomol. Chem. 2018, 16, 1167-1171.   [DOI: 10.1039/C7OB03057F]

2) Enhanced circular dichroism at elevated temperatures through complexation-induced transformation of a three-layer cyclophane with dualistic dynamic helicity.
R. Katoono, Y. Obara, K. Fujiwara, T. Suzuki
Chem. Sci. 2018, 9, 2222-2229.   [DOI: 10.1039/C7SC05242A]

1) Dynamic or undynamic chirality generated by helical arrangement of a shape-persistent ring and rod doubly bridged in a molecule.
R. Katoono, Y. Obara, K. Kusaka, T. Suzuki
Chem. Commun. 2018, 54, 735-738.   [DOI: 10.1039/C7CC09485J]

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2017

6) 9,10-Dihydrophenanthrene with Two Spiro(dibenzocycloheptatriene) Units: A Highly Strained Caged Hydrocarbon Exhibiting Reversible Electrochromic Behavior.
Y. Ishigaki, Y. Hayashi, K. Sugawara, T. Shimajiri, W. Nojo, R. Katoono, T. Suzuki
Molecules 2017, 22, 1900.   [DOI: 10.3390/molecules22111900]

5) Organic Molecular Layer with High Electrochemical Bistability: Synthesis, Structure, and Properties of a Dynamic Redox System with Lipoate Units for Binding to Au(111).
E. Ohta, H. Uehara, Y. Han, K. Wada, H. Noguchi, R. Katoono, Y. Ishigaki, H. Ikeda, K. Uosaki, T. Suzuki
ChemPlusChem 2017, 82, 1043-1047.   [DOI: 10.1002/cplu.201600649]

4) Oxidative Desulfurization of Electron-Donating 5,5,7,7-Tetraaryl-5,7-dihydrodibenzo[c,e]thiepins and the Related Heterocycles: Generation of Dicationic Dyes upon Two-Electron Oxidation.
T. Suzuki, T. Kuroda, H. Tamaoki, S. Higasa, T. Nehira, R. Katoono, Y. Ishigaki, K. Fujiwara, T. Fukushima, H. Yamada
Heterocycles 2017, 95, 816-829.   [DOI: 10.3987/com-16-s(s)50]

3) Stereoselective Encapsulation for A Triarylmethylium o,o-Dimer by Natural γ-Cyclodextrin: Origin of Chiral Recognition for the Axially Chiral Dicationic Guest.
T. Suzuki, J. P. Cerón-Carrasco, H. Tamaoki, Y. Ishigaki, R. Katoono, T. Fukushima, H. Pérez-Sánchez
Heterocycles 2017, 94, 1123-1132.   [DOI: 10.3987/COM-17-13674]

2) Synthesis of the ABCDEF-ring of ciguatoxin 3C.
T. Sato, K. Fujiwara, K. Nogoshi, A. Goto, D. Domon, N. Kawamura, Y. Nomura, D. Sato, H. Tanaka, A. Murai, Y. Kondo, U. Akiba, R. Katoono, H. Kawai, T. Suzuki
Tetrahedron 2017, 73, 703-726.   [DOI: 10.1016/j.tet.2016.12.041]

1) Bis(diarylethenyl)thiophenes, -bithiophenes, and -terthiophenes: A New Series of Electrochromic Systems that Exhibit a Fluorescence Response.
Y. Ishigaki, H. Kawai, R. Katoono, K. Fujiwara, H. Higuchi, H. Kikuchi, T. Suzuki
Can. J. Chem. 2017, 95, 243-252.   [DOI: 10.1139/cjc-2016-0222]

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2016

5) Redox-induced conformational changes in 1,3-propylene- and m-xylylenebis[5-(10-butyl-5,10-dihydrobenzo[a]indolo[2,3-c]carbazole)]: Twin-BIC donors that form sandwich-like dimeric cations exhibiting NIR absorption.
T. Suzuki, W. Nojo, Y. Sakano, R. Katoono, Y. Ishigaki, H. Ohno, K. Fujiwara
Chem. Lett. 2016, 45, 720-722.   [DOI: 10.1246/cl.160278]

4) Dynamic helical cyclophanes with two quadruply-bridged planes arranged in an "obverse and/or reverse" relation.
R. Katoono, S. Kawai, T. Suzuki
Chem. Sci. 2016, 7, 3240-3247.   [DOI: 10.1039/c5sc04673d]

3) Assembly of an Axially Chiral Dynamic Redox System with a Perfluorobiphenyl Skeleton into Dumbbell- or Tripod-type Electron Donors.
H. Tamaoki, R. Katoono, K. Fujiwara, T. Suzuki
Angew. Chem. Int. Ed. 2016, 55, 2582-2586.   [DOI: 10.1002/anie.201510935]

2) Redox-Mediated Reversible σ-Bond Formation/Cleavage.
T. Suzuki, H. Tamaoki, J. Nishida, H. Higuchi, T. Iwai, Y. Ishigaki, K. Hanada, R. Katoono, H. Kawai, K. Fujiwara, T. Fukushima
Organic Redox Systems 2016, 13-37.   [DOI: 10.1002/9781118858981.ch2]

1) Planar chiral desymmetrization of a two-layered cyclophane and control of dynamic helicity through the arrangement of two nonstereogenic centers.
R. Katoono, T. Suzuki
Chem. Commun. 2016, 52, 1029-1031.   [DOI: 10.1039/c5cc09069e]
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2015

11) Two-way chromic interconversion of the 2,2'-biphenol-6,6'-diyl dication with 5H,10H-dioxapyrene or 9H,10H-4,5-dihydroxyphenanthrene.
Y. Sakano, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Commun. 2015, 51, 14303-14305.   [DOI: 10.1039/c5cc06338h]

10) Controllability of dynamic double helices: quantitative analysis of the inversion of a screw-sense preference upon complexation.
R. Katoono, S. Kawai, K. Fujiwara, T. Suzuki
Chem. Sci. 2015, 6, 6592-6600.   [DOI: 10.1039/c5sc02614h]

9) Synthesis of Ganbajunins-D and -E and the Proposed Structure of Thelephantin-D.
K. Fujiwara, K. Kushibe, T. Sato, T. Norikura, H. Matsue, K. Iwai, R. Katoono, T. Suzuki
Eur. J. Org. Chem. 2015, 26, 5798-5809.   [DOI: 10.1002/ejoc.201500722]

8) Dynamic Figure Eight Chirality: Multifarious Inversions of a Helical Preference Induced by Complexation.
R. Katoono, Y. Tanaka, K. Kusaka, K. Fujiwara, T. Suzuki
J. Org. Chem. 2015, 80, 7613-7625.   [DOI: 10.1021/acs.joc.5b01206]

7) Reversible Interconversion between 11,11,12,12-Tetraaryl-1,4-diaza/-1,4,5,8-tetraazaanthraquinodimethanes and Their Cationic Species: Electrochromic and Halochromic Responses.
T. Suzuki, Y. Umezawa, Y. Sakano, H. Tamaoki, R. Katoono, K. Fujiwara
Chem. Lett. 2015, 44, 905-907.   [DOI: 10.1246/cl.150251]

6) New Insights into the Hexaphenylethane Riddle: Formation of an α,o-Dimer.
Y. Uchimura, T. Takeda, R. Katoono, K. Fujiwara, T. Suzuki
Angew. Chem. Int. Ed. 2015, 54, 4010-4013.   [DOI: 10.1002/anie.201500122]

5) Design of chirality-sensing systems based on supramolecular transmission of chirality.
R. Katoono
Synergy in Supramolecular Chemistry 2015, 247-260.   [DOI: 10.1201/b17940-15]

4) Bis(10-methylacridinium)s as a versatile platform for redox active functionalized dyes and novel structures.
T. Suzuki, T. Takeda, E. Ohta, K. Wada, R. Katoono, H. Kawai, K. Fujiwara
Chem. Rec. 2015, 15, 280-294.   [DOI: 10.1002/tcr.201402073]

3) Stereoselective Synthesis of the A-Ring of Armatol A from a Bromo-Substituted Chiral Building Block Based on Ireland-Claisen Rearrangement and Ring-Closing Olefin Metathesis.
Y. Hirose, K. Fujiwara, Takafumi Saito, R. Katoono, T. Suzuki
Heterocycles 2015, 91, 76-104.   [DOI: 10.3987/com-14-13143]

2) Bis(diarylethenyl)thiophene, -bithiophene, and -terthiophene: A New Series of Violene-Cyanine Hybrid-Type Electron Donors.
Y. Ishigaki, H. Kawai, R. Katoono, K. Fujiwara, T. Suzuki
Heterocycles 2015, 90, 136-143.   [DOI: 10.3987/com-14-s(k)33]

1) Three-Way Output Molecular Response System based on Tetrakis(3,4-dialkoxyphenyl)-3,4-dihydro[5]helicenes: Perturbation of Properties by Long Alkyl Chains.
Y. Ishigaki, S. Yoshida, H. Kawai, R. Katoono, K. Fujiwara, T. Fukushima, T. Suzuki
Heterocycles 2015, 90, 126-135.   [DOI: 10.3987/com-14-s(k)31]
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2014

16) Chiroptical molecular propeller based on hexakis(phenylethynyl)benzene through the complexation-induced intramolecular transmission of local point chirality.
R. Katoono, K. Kusaka, S. Kawai, Y. Tanaka, K. Hanada, T. Nehira, K. Fujiwara, T. Suzuki
Org. Biomol. Chem. 2014, 12, 9532-9538.   [DOI: 10.1039/c4ob01601g]

15) A foldable cyclic oligomer: chiroptical modulation through molecular folding upon complexation and a change in temperature.
R. Katoono, Y. Tanaka, K. Fujiwara, T. Suzuki
J. Org. Chem. 2014, 79, 10218-10225.   [DOI: 10.1021/jo501883m]

14) Controlled dynamic helicity of a folded macrocycle based on a bisterephthalamide with a two-fold Z-shaped structure.
R. Katoono, K. Kusaka, K. Fujiwara, T. Suzuki
Chem. Asian J. 2014, 9, 3182-3187.   [DOI: 10.1002/asia.201402658]

13) Alkylbenzoquinone involved in development of cellular slime molds.
Y. Takaya, R. Hotta, K. Fujiwara, R. Otani, Y. Uchiyama, M. Sakakibara, E. Fukuda, M. Niwa, K. Inouye, A. A. Oohata
Org. Lett. 2014, 16, 3660-3663.   [DOI: 10.1021/ol5014119]

12) Preparation, Redox Properties, and X-ray Structures of Electrochromic 11,11,12,12-Tetraarylanthraquinodimethane and Its Bianthraquinodimethane Analogue: Drastic Geometrical Changes upon Interconversion with the Dicationic Dyes.
Y. Sakano, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Lett. 2014, 43, 1143-1145.   [DOI: 10.1246/cl.140393]

11) Acceptor–Donor–Acceptor Oligomers Containing Dithieno[3,2-b:2′,3′-d]pyrrole and Thieno[2,3-c]pyrrole-4,6-dione Units for Solution-Processed Organic Solar Cells.
L. G. Mercier, A. Mishra, Y. Ishigaki, F. Henne, G. Schulz, P. Bäuerle
Org. Lett. 2014, 16, 2642-2645.   [DOI: 10.1021/ol500809e]

10) Electrochiroptical Response in Aqueous Media: 9,10-Dihydrophenanthrene-9,10-diyl Dications with Michlar's Hydrol Blue Chromophores Attached with Oligoethylene Glycol Units.
T. Suzuki, K. Hanada, R. Katoono, Y. Ishigaki, S. Higasa, H. Higuchi, H. Kikuchi, K. Fujiwara, H. Yamada, T. Fukushima
Chem. Lett. 2014, 43, 982-984.   [DOI: 10.1246/cl.140163]

9) Oxidative Protonolysis of the Expanded Central C-C Bond in a Di(spiroacridan)-type Hexaphenylethane Derivative Accompanied by UV-vis, FL, and CD Spectral Changes.
T. Suzuki, Y. Kuroda, K. Wada, Y. Sakano, R. Katoono, K. Fujiwara, F. Kakiuchi, T. Fukushima
Chem. Lett. 2014, 43, 887-889.   [DOI: 10.1246/cl.140192]

8) Cyanoazulene-based muti-stage redox systems prepared from vinylcyclopropanecarbonitrile and cyclopentenone via divinylcyclopropane-rearrangement approach.
K. Tanino, T. Yamada, F. Yoshimura, T. Suzuki
Chem. Lett. 2014, 43, 607-609.   [DOI: 10.1246/cl.131149]

7) Wurster's Blue-type Cation Radicals Framed in a 5,10-Dihydrobenzo[a]indolo[2,3-c]carbazole (BIC) Skeleton: Dual Electrochromism with Drastic Changes in UV/Vis/NIR and Fluorescence.
T. Suzuki, Y. Sakano, Y. Tokimizu, Y. Miura, R. Katoono, K. Fujiwara, N. Yoshioka, N. Fujii, H. Ohno
Chem. Asian J. 2014, 9, 1841-1846.   [DOI: 10.1002/asia.201402394]

6) Complexation-induced inversion of helicity by an organic guest in a dynamic molecular propeller based on a tristerephthalamide host with a two-layer structure.
R. Katoono, K. Fujiwara, T. Suzuki
Chem. Commun. 2014, 50, 5438-5440.   [DOI: 10.1039/c4cc00323c]

5) Preparation and structure of acenaphthylene-1,2-diyldi(9-acridine) derivatives with a long C=C bond.
T. Takeda, Y. Uchimura, H. Kawai, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Commun. 2014, 50, 3924-3927.   [DOI: 10.1039/c3cc49573f]

4) Electrochromic and unique chiroptical properties of helically deformed tetraarylquinodimethanes generated from less hindered dicationic precursors upon reduction.
T. Suzuki, Y. Sakano, T. Iwai, S. Iwashita, Y. Miura, R. Katoono, H. Kawai, K. Fujiwara, Y. Tsuji, T. Fukushima
Pure Appl. Chem. 2014, 86, 507-516.   [DOI: 10.1515/pac-2013-1003]

3) Expandability of Ultralong C–C Bonds: Largely Different C1–C2 Bond Lengths Determined by Low-temperature X-ray Structural Analyses on Pseudopolymorphs of 1,1-Bis(4-fluorophenyl)-2,2-bis(4-methoxyphenyl)pyracene.
T. Suzuki, Y. Uchimura, F. Nagasawa, T. Takeda, H. Kawai, R. Katoono, K. Fujiwara, K. Murakoshi, T. Fukushima, A. Nagaki, J. Yoshida
Chem. Lett. 2014, 43, 86-88.   [DOI: 10.1246/cl.130872]

2) Total Synthesis of Pectenotoxin-2.
K. Fujiwara, Y. Suzuki, N. Koseki, Y. Aki, Y. Kikuchi, S. Murata, F. Yamamoto, M. Kawamura, T. Norikura, H. Matsue, A. Murai, H. Kawai, T. Suzuki
Angew. Chem. Int. Ed. 2014, 53, 780-784.   [DOI: 10.1002/anie.201308502]

1) Chiral memory units based on dynamic redox systems with a dibenzoxepinone skeleton: Drastic change in racemization barrier and electrochemical bistability.
K. Wada, Y. Chiba, T. Takeda, H. Kawai, R. Katoono, K. Fujiwara, T. Suzuki
Heterocycles 2014, 88, 945-952.   [DOI: 10.3987/com-13-s(s)93]
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2013

14) Time-integrated one-pot synthesis, X-ray structure, and redox properties of electrochromic 1,3-diarylisobenzofurans.
T. Hamura, R. Nakayama, K. Hanada, Y. Sakano, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Lett. 2013, 42, 1244-1246.   [DOI: 10.1246/cl.130479]

13) Geometrical remote steric effects in 4,5-disubstituted-9,10-dihydrophenanthrenes: expansion of prestrained C9-C10 bond in di(spiroacridan) derivatives.
K. Wada, T. Takeda, H. Kawai, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Lett. 2013, 42, 1194-1196.   [DOI: 10.1246/cl.130502]

12) Preparation, properties, and X-ray structures of bis(10-methyl-9-methyleneacridan)-type electron donors with a thiophene, bithiophene, or terthiophene skeleton: redox switching of thiophene-thienoquinoid structure accompanied by UV-vis-NIR electrochromic response.
T. Suzuki, Y. Hoshiyama, K. Wada, Y. Ishigaki, Y. Miura, H. Kawai, R. Katoono, K. Fujiwara, T. Fukushima
Chem. Lett. 2013, 42, 1004-1006.   [DOI: 10.1246/cl.130401]

11) 5,10-dihydrobenzo[a]indolo[2,3-c]carbazole: a highly fluorescent disk-shaped electron donor exhibiting dual UV-vis-NIR and fluorescence spectral changes upon electrolysis.
T. Suzuki, Y. Tokimizu, Y. Sakano, R. Katoono, K. Fujiwara, S. Naoe, N. Fujii, H. Ohno
Chem. Lett. 2013, 42, 1001-1003.   [DOI: 10.1246/cl.130388]

10) Hexaphenylethanes with an ultralong C-C bond: expandability of the C-C bond in highly strained tetraarylpyracenes.
T. Takeda, Y. Uchimura, H. Kawai, R. Katoono, K. Fujiwara, T. Suzuki
Chem. Lett. 2013, 42, 954-962.   [DOI: 10.1246/cl.130598]

9) A C3-symmetric chiroptical molecular propeller based on hexakis(phenylethynyl)benzene with a threefold terephthalamide: stereospecific propeller generation through the cooperative transmission of point chiralities on the host and guest upon complexation.
R. Katoono, H. Kawai, M. Ohkita, K. Fujiwara, T. Suzuki
Chem. Commun. 2013, 49, 10352-10354.   [DOI: 10.1039/c3cc43571g]

8) Oxidative conversion of tetraaryldihydrodibenzothiepins into elemental sulfur and stable cationic dyes accompanied by dual UV-vis and CD spectral changes.
T. Suzuki, T. Kuroda, H. Tamaoki, S. Higasa, R. Katoono, K. Fujiwara, T. Fukushima, H. Yamada
Chem. Lett. 2013, 42, 706-708.   [DOI: 10.1246/cl.130275]

7) Redox switching of conjugation length using 9,9,10,10-tetraaryl-9,10-dihydrophenanthrene as an ON/OFF unit: preparation, X-ray structure, and redox properties of perfluorobiphenyl derivative and its SNAr reactions to π-extended analogues.
T. Suzuki, H. Tamaoki, R. Katoono, K. Fujiwara, J. Ichikawa, T. Fukushima
Chem. Lett. 2013, 42, 703-705.   [DOI: 10.1246/cl.130190]

6) A new variant of fused cyclic ether synthesis based on Ireland-Claisen rearrangement and RCM.
D. Domon, K. Fujiwara, N. Kawamura, R. Katoono, H. Kawai, T. Suzuki
Nat. Prod. Commun. 2013, 8, 929-934.

5) A stereoselective method for the construction of the C8'-O-C6'' ether of nigricanoside-A: synthesis of simple models for the C20 lipid chain/galactosyl glycerol segment.
N. Kinashi, K. Fujiwara, T. Tsunoda, R. Katoono, H. Kawai, T. Suzuki
Tetrahedron Lett. 2013, 54, 4564-4567.   [DOI: 10.1016/j.tetlet.2013.06.085]

4) Hydrindacene-Based Acetylenic Macrocycles with Horizontally and Vertically Ordered Functionality Arrays.
H. Kawai, T. Utamura, E. Motoi, T. Takahashi, H. Sugino, M. Tamura, M. Ohkita, K. Fujiwara, T. Saito, T. Tsuji, T. Suzuki
Chem. Eur. J. 2013, 19, 4513-4524.   [DOI: 10.1002/chem.201200716]

3) p-Terphenyl Derivatives from the Mushroom Thelephora aurantiotincta Suppress the Proliferation of Human Hepatocellular Carcinoma Cells via Iron Chelation.
T. Norikura, K. Fujiwara, T. Yanai, Y. Sano, T. Sato, T. Tsunoda, K. Kushibe, A. Todate, Y. Morinaga, K. Iwai, H. Matsue
J. Agric. Food Chem. 2013, 61, 1258-1264.   [DOI: 10.1021/jf3041098]

2) An Ireland-Claisen rearrangement/RCM based approach for the construction of the EF-ring of ciguatoxin 3C.
K. Nogoshi, D. Domon, K. Fujiwara, N. Kawamura, R. Katoono, H. Kawai, T. Suzuki
Tetrahedron Lett. 2013, 54, 676-680.   [DOI: 10.1016/j.tetlet.2012.12.001]

1) 7,7,8,8-Tetraaryl-o-quinodimethane Stabilized by Dibenzo Annulation: A Helical π-Electron System That Exhibits Electrochromic and Unique Chiroptical Properties.
T. Suzuki, Y. Sakano, T. Iwai, S. Iwashita, Y. Miura, R. Katoono, H. Kawai, K. Fujiwara, Y. Tsuji, T. Fukushima
Chem. Eur. J. 2013, 19, 117-123.   [DOI: 10.1002/chem.201203092]
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2012

8) Induced preference for axial chirality in a triarylmethylium o,o-dimer upon complexation with natural γ-cyclodextrin: strong ECD signaling and fixation of supramolecular chirality to molecular chirality.
T. Suzuki, H. Tamaoki, K. Wada, R. Katoono, T. Nehira, H. Kawai, K. Fujiwara
Chem. Commun. 2012, 48, 2812-2814.   [DOI: 10.1039/c2cc17475h]

7) Effects of Axle-Core, Macrocycle, and Side-Station Structures on the Threading and Hydrolysis Processes of Imine-Bridged Rotaxanes.
H. Sugino, H. Kawai, T. Umehara, K. Fujiwara, T. Suzuki
Chem. Eur. J. 2012, 18, 13722-13732.   [DOI: 10.1002/chem.201200837]

6) Chirality sensing based on changes in conformation of dynamic terephthalamide hosts: propeller-, double-arm-, and figure-of-eight-shaped hosts.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
Yuki Gosei Kagaku Kyokaishi 2012, 70, 640-650.   [DOI: 10.5059/yukigoseikyokaishi.70.640]

5) Stable neutral radicals based on the polyazaacene skeleton that exhibit high electrochemical amphotericity.
Y. Miura, H. Chiba, R. Katoono, H. Kawai, K. Fujiwara, S. Suzuki, K. Okada, T. Suzuki
Tetrahedron Lett. 2012, 53, 6561-6564.   [DOI: 10.1016/j.tetlet.2012.09.095]

4) Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method.
T. Suzuki, Y. Uchimura, Y. Ishigaki, T. Takeda, R. Katoono, H. Kawai, K. Fujiwara, A. Nagaki, J. Yoshida
Chem. Lett. 2012, 41, 541-543.   [DOI: 10.1246/cl.2012.541]

3) Total Synthesis of Thelephantin O, Vialinin A/Terrestrin A, and Terrestrins B-D.
K. Fujiwara, T. Sato, Y. Sano, T. Norikura, R. Katoono, T. Suzuk, H. Matsue
J. Org. Chem. 2012, 77, 5161-5166.   [DOI: 10.1021/jo300565s]

2) Controlled loop and graft formations of water-soluble polymers on SAMs for the design of biomaterials surfaces.
K. Yamada, R. Katoono, N. Yui
Polym. J. 2012, 44, 286-293.   [DOI: 10.1038/pj.2011.130]

1) Molecular gyroscope with a trans-cyclohexane-1,4-diimine rotor unit: isolation and characterization of a geometric isomer as a formal intermediate of hindered rotation.
H. Sugino, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Lett. 2012, 41, 79-81.   [DOI: 10.1246/cl.2012.79]
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2011

8) Construction of main-chain type oligorotaxanes and their switching properties: controlled dynamic behavior by imine-bonding formation and cleavage.
H. Sugino, H. Kawai, K. Fujiwara, T. Suzuki
Kobunshi Ronbunshu 2011, 68, 795-803.   [DOI: 10.1295/koron.68.795]

7) Hysteretic tricolor electrochromic systems based on the dynamic redox properties of unsymmetrically substituted dihydrophenanthrenes and biphenyl-2,2'-diyl dications: efficient precursor synthesis by a flow microreactor method.
Y. Ishigaki, T. Suzuki, J. Nishida, A. Nagaki, N. Takabayashi, H. Kawai, K. Fujiwara, J. Yoshida
Materials 2011, 4, 1906-1926.   [DOI: 10.3390/ma4111906]

6) Modulation of reversible self-assembling of dumbbell-shaped poly(ethylene glycol)s and beta-cyclodextrins: precipitation and heat-induced supramolecular crosslinking.
Y. Kobayashi, R. Katoono, M. Yamaguchi, N. Yui
Polym. J. 2011, 43, 893-900.   [DOI: 10.1038/pj.2011.71]

5) 1,4-Diaryl-7,10-dimethoxyquinoxalino[2,3-b]quinoxalines and their dihydro derivatives: redox switching of NIR absorption and fluorescence.
Y. Miura, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Lett. 2011, 40, 975-977.   [DOI: 10.1246/cl.2011.975]

4) Improved synthesis of C8-C20 segment of pectenotoxin-2.
K. Fujiwara, Y. Suzuki, N. Koseki, S. Murata, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2011, 52, 5589-5592.   [DOI: 10.1016/j.tetlet.2011.08.051]

3) Anticancer Activities of Thelephantin O and Vialinin A Isolated from Thelephora aurantiotincta.
T. Norikura, K. Fujiwara, T. Narita, S. Yamaguchi, Y. Morinaga, K. Iwai, H. Matsue
J. Agric. Food Chem. 2011, 59, 6974-6979.   [DOI: 10.1021/jf200461j]

2) Synthesis of the C22-C37 segment of prorocentin.
A. Takemura, Y. Katagiri, K. Fujiwara, H. Kawai, T. Suzuki
Tetrahedron Lett. 2011, 52, 1222-1224.   [DOI: 10.1016/j.tetlet.2011.01.042]

1) Heat-induced Supramolecular Crosslinking of Dumbbell-shaped PEG with beta-CD Dimer Based on Reversible Loose-fit Rotaxanation.
R. Katoono, Y. Kobayashi, M. Yamaguchi, N. Yui
Macromol. Chem. Phys. 2011, 212, 211-215.   [DOI: 10.1002/macp.201000548]
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2010

9) Preparation of Loose-fit Polyrotaxane Composed of β-Cyclodextrin and Poly(ethylene glycol) Derivatives through the Slipping–Expanding Protocol.
R. Katoono, Y. Kobayashi, N. Yui
Chem. Lett. 2010, 39, 892-893.   [DOI: 10.1246/cl.2010.892]

8) Enhancement of transcriptional activity of mutant p53 tumor suppressor protein through stabilization of tetramer formation by calix[6]arene derivatives.
R. Kamada, W. Yoshino, T. Nomura, Y. Chuman, T. Imagawa, T. Suzuki, K. Sakaguchi
Bioorg. Med. Chem. Lett. 2010, 20, 4412-4415.   [DOI: 10.1016/j.bmcl.2010.06.053]

7) Model studies for the stereoselective construction of the BC-ring of armatol F based on Ireland-Claisen rearrangement and relay ring-closing olefin metathesis.
K. Fujiwara, K. Tanaka, Y. Katagiri, H. Kawai, T. Suzuki
Tetrahedron Lett. 2010, 51, 4543-4546.   [DOI: 10.1016/j.tetlet.2010.06.103]

6) Studies toward the total synthesis of armatol F: stereoselective construction of the C6 and C7 stereocenters and formation of the A-ring skeleton.
K. Fujiwara, Y. Hirose, D. Sato, H. Kawai, T. Suzuki
Tetrahedron Lett. 2010, 51, 4263-4266.   [DOI: 10.1016/j.tetlet.2010.06.026]

5) Intramolecular chirality transfer in trans-5,6-diaryl-5,6-dihydro-1,10-phenanthroline-5,6-diols: solvato- and halochromic responses by circular dichroism.
T. Suzuki, Y. Miura, T. Nehira, H. Kawai, K. Fujiwara
Chem. Lett. 2010, 39, 695-697.   [DOI: 10.1246/cl.2010.695]

4) Drastic change in racemization barrier upon redox reactions: novel chiral-memory units based on dynamic redox systems.
T. Suzuki, K. Wada, Y. Ishigaki, Y. Yoshimoto, E. Ohta, H. Kawai, K. Fujiwara
Chem. Commun. 2010, 46, 4100-4102.   [DOI: 10.1039/c0cc00026d]

3) Intramolecular triarylmethane-triarylmethylium complex: generation, properties, and X-ray structure of a C-H bridged carbocation.
T. Suzuki, T. Takeda, Y. Yoshimoto, T. Nagasu, H. Kawai, K. Fujiwara
Pure Appl. Chem. 2010, 82, 1033-1044.   [DOI: 10.1351/pac-con-09-10-11]

2) Halochromic chiroptical response of novel bis(9-acridinyl)-type fluorophores with a helical π-framework.
T. Nehira, Y. Yoshimoto, K. Wada, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Lett. 2010, 39, 165-167.   [DOI: 10.1246/cl.2010.165]

1) Phenanthrene-4,5-diylbis(10-methylacridinium) with a short C+ -- C+ contact: preparation, molecular structure, redox properties, and electrochromic interconversion with dihydropyrene derivative.
T. Suzuki, Y. Yoshimoto, K. Wada, T. Takeda, H. Kawai, K. Fujiwara
Heterocycles 2010, 80, 149-155.   [DOI: 10.3987/com-09-s(s)35]
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2009

9) Loose-Fit Polyrotaxane Composed of γ-Cyclodextrin and Single Poly(Ethyelene Glycol) Chain: Making Room in γ-CD Cavity for Additional Inclusion Complexation.
A. Takahashi, R. Katoono, N. Yui
Macromolecules 2009, 42, 8587-8589.   [DOI: 10.1021/ma9022372]

8) Dynamic Molecular Propeller: Supramolecular Chirality Sensing by Enhanced Chiroptical Response through the Transmission of Point Chirality to Mobile Helicity.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
J. Am. Chem. Soc. 2009, 131, 16896-16904.   [DOI: 10.1021/ja906810b]

7) Immobilization of Polyrotaxane on a Solid Substrate as the Design of Dynamic Surface.
D. H. Yang, R. Katoono, J. Yamaguchi, Y. Miura, N. Yui
Polym. J. 2009, 41, 952-953.   [DOI: 10.1295/polymj.PJ2009137]

6) Multi-Input/Multi-Output Molecular Response System Based on the Dynamic Redox Behavior of 3,3,4,4-Tetraaryldihydro[5]helicene Derivatives: Reversible Formation/Destruction of Chiral Fluorophore and Modulation of Chiroptical Properties by Solvent Polarity.
T. Suzuki, Y. Ishigaki, T. Iwai, H. Kawai, K. Fujiwara, H. Ikeda, Y. Kano, K. Mizuno
Chem. Eur. J. 2009, 15, 9434-9441.   [DOI: 10.1002/chem.200900968]

5) 4,5-bis(diarylmethylene)-1,3-dithiole: a novel helical electron donor exhibiting electrochromic behavior.
T. Suzuki, S. Mikuni, Y. Ishigaki, H. Higuchi, H. Kawai, K. Fujiwara
Chem. Lett. 2009, 38, 748-749.   [DOI: 10.1246/cl.2009.748]

4) Preparation and X-ray structures of trans-5,6-diaryl-5,6-dihydro-1,10-phenanthroline-5,6-diols: formation of supramolecular rod by hydrogen bonds.
T. Suzuki, Y. Miura, R. Tamaki, H. Kawai, K. Fujiwara
Chem. Lett. 2009, 38, 670-671.   [DOI: 10.1246/cl.2009.670]

3) Negligible diradical character for the ultralong C-C bond in 1,1,2,2-tetraarylpyracene derivatives.
T. Takeda, H. Kawai, R. Herges, E. Mucke, Y. Sawai, K. Murakoshi, K. Fujiwara, T. Suzuki
Tetrahedron Lett. (50th anniversary special issue) 2009, 50, 3693-3697.
[DOI: 10.1016/j.tetlet.2009.03.202]

2) Stereoselective construction of an anti-beta-alkoxy ether by Ireland-Claisen rearrangement for medium-ring ether synthesis.
K. Fujiwara, N. Kawamura, H. Kawai, T. Suzuki
Tetrahedron Lett. 2009, 50, 1236-1239.   [DOI: 10.1016/j.tetlet.2009.01.011]

1) Intramolecular methylacridan-methylacridinium complexes with a phenanthrene-4,5-diyl or related skeleton: Geometry-properties relationship in isolable C-H bridged carbocations.
T. Suzuki, Y. Yoshimoto, T. Takeda, H. Kawai, K. Fujiwara
Chem. Eur. J. 2009, 15, 2210-2216.   [DOI: 10.1002/chem.200801769]
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2008

10) Designed molecular propellers based on tetraarylterephthalamide and their chiroptical properties induced by biased helicity through transmission of point chirality.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Commun. 2008, 4906-4908.   [DOI: 10.1039/b808936a]

9) Entropy- and Hydrolytic-Driven Positional Switching of Macrocycle between Imine- and Hydrogen-Bonding Stations in Rotaxane-Based Molecular Shuttles.
T. Umehara, H. Kawai, K. Fujiwara, T. Suzuki
J. Am. Chem. Soc. 2008, 130, 13981-13988.   [DOI: 10.1021/ja804888b]

8) Preparation of Hydrolyzable Polyrotaxane Containing Ester Linkages and Its Degradation Behavior.
R. Katoono, S. Fukuda, H. Shin, N. Yui
Chem. Lett. 2008, 37, 988-989.   [DOI: 10.1246/cl.2008.988]

7) Ultralong Carbon-Carbon Bonds in Dispirobis(10-methylacridan) Derivatives with an Acenaphthene, Pyracene, or Dihydropyracylene Skeleton.
H. Kawai, T. Takeda, K. Fujiwara, M. Wakeshima, Y. Hinatsu, T. Suzuki
Chem. Eur. J. 2008, 14, 5780-5793.   [DOI: 10.1002/chem.200702028]

6) Synthesis of the ABC-ring models of goniodomin A: preference for the unnatural configuration at C11 of the BC-ring in a non-macrocyclic model system.
T. Katagiri, K. Fujiwara, H. Kawai, T. Suzuki
Tetrahedron Lett. 2008, 49, 3242-3247.   [DOI: 10.1016/j.tetlet.2008.03.082]

5) Ultralong C-C bonds in hexaphenylethane derivatives.
T. Suzuki, T. Takeda, H. Kawai, K. Fujiwara
Pure Appl. Chem. 2008, 80, 547-553.   [DOI: 10.1351/pac200880030547]

4) Concise stereoselective synthesis of cis-3-alkoxy-2-carbomethoxy medium-ring oxacycles from (R)-3-(3-butenyl)-4-propynoyloxazolidin-2-one.
D. Sato, K. Fujiwara, H. Kawai, T. Suzuki
Tetrahedron Lett. 2008, 49, 1514-1517.   [DOI: 10.1016/j.tetlet.2007.12.111]

3) Unprecedented four-way-output molecular response system based on biphenyl-2,2'-diyldiacridiniums: Induction of axial chirality through intramolecular hydrogen bonds between chiral amide groups.
T. Suzuki, K. Ohta, T. Nehira, H. Higuchi, E. Ohta, H. Kawai, K. Fujiwara
Tetrahedron Lett. 2008, 49, 772-776.   [DOI: 10.1016/j.tetlet.2007.11.179]

2) Four-way-output Molecular Response System Based on the Dihydrodibenzo[c,g]phenanthrene Skeleton: Modulation of CD and FDCD Activity by Acid and Electron-transfer.
E. Ohta, T. Nehira, H. Kawai, K. Fujiwara, T. Suzuki
Tetrahedron Lett. 2008, 49, 777-781.   [DOI: 10.1016/j.tetlet.2007.11.188]

1) Synthesis of the DE-ring of goniodomin A and prediction of its natural relative stereochemistry.
T. Katagiri, K. Fujiwara, H. Kawai, T. Suzuki
Tetrahedron Lett. 2008, 49, 233-237.   [DOI: 10.1016/j.tetlet.2007.11.084]
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2007

12) Synthesis of the EF-Ring of Ciguatoxin 3C Based on the [2,3]-Wittig Rearrangement and Ring-Closing Olefin Metathesis.
A. Goto, K. Fujiwara, A. Kawai, H. Kawai, T. Suzuki
Org. Lett. 2007, 9, 5373-5376.   [DOI: 10.1021/ol702231j]

11) Intramolecular triarylmethane-triarylmethylium complexes with a naphthalene-1,8-diyl skeleton: isolation, structure, and reactivities of the C-H-bridged carbocations.
T. Takeda, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Eur. J. 2007, 13, 7915-7925.   [DOI: 10.1002/chem.200700803]

10) Allosteric bindings of hydrindacene-based receptors with benzendiols: regulation by the cooperative amide hydrogen-bonding.
H. Kawai
J. Synth. Org. Chem. Jpn. 2007, 65, 677-687.   [DOI: 10.5059/yukigoseikyokaishi.65.677]

9) Synthesis of the C8-C20 and C21-C30 segments of pectenotoxin 2.
K. Fujiwara, Y. Aki, F. Yamamoto, M. Kawamura, M. Kobayashi, A. Okano, D. Awakura, S. Shiga, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2007, 48, 4523-4527.   [DOI: 10.1016/j.tetlet.2007.04.136]

8) Chromic and Fluorescence Response System Based on the Dihydrophenanthroline-Bipyridine Skeleton: Dynamic Redox Behavior and Metal Binding Properties.
T. Suzuki, R. Tamaki, E. Ohta, T. Takeda, H. Kawai, K. Fujiwara, M. Kato
Tetrahedron Lett. 2007, 48, 3823-3827.   [DOI: 10.1016/j.tetlet.2007.03.167]

7) Electrochiroptical Systems Based on Biphenyl-2,2'-diyl-type Dicationic Dyes: Strong Chiroptical Signals through the Transmission of Point Chirality to Axial Chirality.
T. Suzuki, T. Iwai, E.Ohta, H. Kawai, K. Fujiwara
Tetrahedron Lett. 2007, 48, 3599-3603.   [DOI: 10.1016/j.tetlet.2007.03.080]

6) Dynamic redox system as electrochromic materials: bistability and advanced responce.
T. Suzuki, E.Ohta, H. Kawai, K. Fujiwara, T. Fukushima
Synlett 2007, 6, 851-869.   [DOI: 10.1055/s-2007-973887]

5) Polycavernoside C and C2, the new analogs of the human lethal toxin polycavernoside A, from the red alga, Gracilaria edulis.
M.Yotsu-Yamashita, K. Abe, T. Seki, K. Fujiwara, T. Yasumoto
Tetrahedron Lett. 2007, 48, 2255-2259.   [DOI: 10.1016/j.tetlet.2007.02.003]

4) Synthesis of Prelaureatin, Laurencin, and the Medium-Ring Ether Parts of Ciguatoxins.
K. Fujiwara
J. Synth. Org. Chem. Jpn. 2007, 65, 502-510.   [DOI: 10.5059/yukigoseikyokaishi.65.502]

3) Synthesis and relative stereochemistry of the A- and F-rings of goniodomin A.
K. Fujiwara, J. Naka, T. Katagiri, D. Sato, H. Kawai, T. Suzuki
Bull. Chem. Soc. Jpn. 2007, 80, 1173-1186.   [DOI: 10.1246/bcsj.80.1173]

2) Bundling Two Polymeric Chains with γ-Cyclodextrin Cavity Contributing to Supramolecular Network Formation.
R. Kawabata, R. Katoono, M. Yamaguchi, N. Yui
Macromolecules 2007, 40, 1011-1017.   [DOI: 10.1021/ma062669h]

1) Multi-input-multi-output molecular response system based on dynamic redox behavior of hexaphenylethane-type electron donors with the tetrahydrophenanthrazepine skeleton: strong chiroptical signals through the transmission of point chirality to helicity.
T. Suzuki, S. Tanaka, H. Kawai, K. Fujiwara
Chem. Asian J. 2007, 2, 171-177.   [DOI: 10.1002/asia.200600299]
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2006

7) Tetraaryl-o-quinodimethanes: reductive generation and severely distorted geometry.
S. Iwashita, T. Suzuki
J. Synth. Org. Chem. Jpn. 2006, 64, 958-968.   [DOI: 10.5059/yukigoseikyokaishi.64.958]

6) Dynamic covalently bonded rotaxanes cross-linked imine bonds between the axle and ring: inverse temperature dependence of subunit mobility.
H. Kawai, T. Umehara, K. Fujiwara, T. Tsuji, T. Suzuki
Angew. Chem. Int. Ed. 2006, 45, 4281-4286.   [DOI: 10.1002/anie.200600750]

5) Total synthesis of medium-ring ethres from Laurencia red algae (Review).
K. Fujiwara
In "Topics in Heterocyclic Chemistry, Volume 5: Marine Natural Products", R. R. Gupta and H. Kiyota, Eds.; Springer Verlag, Berlin Heidelberg, 2006, pp 97-148.
[DOI: 10.1007/7081_013]

4) Convergent synthesis of the common FGHI-ring part of ciguatoxins.
A. Takizawa, K. Fujiwara, E. Doi, A. Murai, H. Kawai, T. Suzuki
Tetrahedron 2006, 62, 7408-7435.   [DOI: 10.1016/j.tet.2006.05.014]

3) Change in conformation upon complexation of double-armed terephthalamide hosts: dynamic molecular recognition of ditopic guests with strong CD signaling.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
Tetrahedron Lett. 2006, 47, 1513-1518.   [DOI: 10.1016/j.tetlet.2006.01.022]

2) Synthesis of the common FGHI-ring part of ciguatoxins.
A. Takizawa, K. Fujiwara, E. Doi, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2006, 47, 747-751.   [DOI: 10.1016/j.tetlet.2005.11.085]

1) The first stable tetraarylacenaphthenequinodimethanes exhibiting electrochromism with 'write-protect' option: preparation, highly deformed structure, and reversible interconversion with acenaphthylene-5,6-diyl dicationic dyes.
T. Suzuki, S. Iwashita, T. Yoshino, H. Kawai, K. Fujiwara, M. Ohkita, T. Tsuji, K. Ono, M. Takenaka
Tetrahedron Lett. 2006, 47, 467-471.   [DOI: 10.1016/j.tetlet.2005.11.059]
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2005

12) Convergent synthesis of the IJKLM-ring part of ciguatoxin CTX3C.
D. Domon, K. Fujiwara, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2005, 46, 8285-8288.   [DOI: 10.1016/j.tetlet.2005.09.164]

11) Synthesis of the C42-C52 part of ciguatoxin CTX3C.
D. Domon, K. Fujiwara, Y. Ohtaniuchi, A. Takezawa, S. Takeda, H. Kawasaki, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2005, 46, 8279-8283.   [DOI: 10.1016/j.tetlet.2005.09.163]

10) Stereospecific change in conformation upon complexation of an exoditopic tetraamide host with a bis(ammonium) guset: chiral recognition and strong CD signaling.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
Chem. Commun. 2005, 5154-5156.   [DOI: 10.1039/b510134d]

9) Synthesis of (+)-laurencin via ring expansion of a C-glycoside derivative.
K. Fujiwara, S. Yoshimoto, A. Takizawa, S.-i. Souma, H. Mishima, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2005, 46, 6819-6822.   [DOI: 10.1016/j.tetlet.2005.08.024]

8) Isolation and Low-Temperature X-ray Analysis of Intramolecular Triarylmethane-Triarylmethylium Complex: Preference for a C-H-Bridged Unsymmetric Structure Exhibiting a Facile 1,5-Hydride Shift and Charge-Transfer Interaction.
H. Kawai, T. Takeda, K. Fujiwara, T. Suzuki
J. Am. Chem. Soc. 2005, 127, 12172-12173.   [DOI: 10.1021/ja053161h]

7) Synthesis of the EF-ring segment of ciguatoxin CTX1B based on novel regioselective reduction of unsaturated cyanohydrins and ring-closing olefin metathesis.
A. Takemura, K. Fujiwara, K. Shimawaki, A. Murai, H. Kawai, Takanori Suzuki
Tetrahedron 2005, 61, 7392-7419.   [DOI: 10.1016/j.tet.2005.05.073]

6) Synthesis of the common left-half part of pectenotoxins.
K. Fujiwara, M. Kobayashi, F. Yamamoto, Y.-i. Aki, M. Kawamura, D. Awakura, S. Amano, A. Okano, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2005, 46, 5067-5069.   [DOI: 10.1016/j.tetlet.2005.05.062]

5) Tetracyanoanthraquinodimethanes with a Chiral Amide Group: Preparation, Properties, and Charge-Transfer Photochirogenetic Reaction with 1,2-Dianisylacenaphthene-1,2-diol.
T. Suzuki, K. Ichioka, H. Higuchi, H. Kawai, K. Fujiwara, M. Ohkita, T. Tsuji, Y. Takahashi
J. Org. Chem. 2005, 70, 5592-5598.   [DOI: 10.1021/jo0505324]

4) Butane-1,4-diyl dications stabilized by steric factors: electrochiroptical response systems based on reversible interconversion between dihydro[5]helicene-type electron acceptors and electron-donating 1,1'-binaphthyls.
E. Ohta, H. Higuchi, H. Kawai, K. Fujiwara, T. Suzuki
Org. Biomol. Chem. 2005, 3, 3024-3031.   [DOI: 10.1039/b506435j]

3) Exceptionally large difference in bond length among conformational isomorphs of a hexaphenylethane derivative with a dispiropyracene skeleton.
H. Kawai, T. Takeda, K. Fujiwara, T. Inabe, T. Suzuki
Crystal Growth & Design 2005, 5, 2256-2260.   [DOI: 10.1021/cg050064r]

2) Stereoselective synthesis of cis- and trans-2,3-disubstituted eight-membered medium-ring ethers based on Ireland-Claisen rearrangement of 3-alkoxy-2-propenyl glycolate esters and ring-closing olefin metathesis.
K. Fujiwara, A. Goto, D. Sato, H. Kawai, T. Suzuki
Tetrahedron Lett. 2005, 46, 3465-3468.   [DOI: 10.1016/j.tetlet.2005.03.114]

1) Multipoint Recognition of Catecholamines by Hydrindacene-Based Receptors Accompanied by the Complexation-Induced Conformational Switching.
H. Kawai, R. Katoono, K. Fujiwara, T. Tsuji, T. Suzuki
Chem. Eur. J. 2005, 11, 815-824.   [DOI: 10.1002/chem.200400819]
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2004

17) Dynamic redox systems based on bis(spiroxanthene)-type donors with a polycyclic aromatic hydrocarbons: Preparation, X-ray structures and electrochromic response with fluorescence change.
T. Suzuki, S. Tanaka, H. Higuchi, H. Kawai, K. Fujiwara
Tetrahedron Lett. 2004, 45, 8563-8567.   [DOI: 10.1016/j.tetlet.2004.09.080]

16) [10]Paracyclophanediamides and their octadehydro derivatives: novel exotopic receptors with hydrogen-bonding sites on the bridge.
R. Katoono, H. Kawai, K. Fujiwara, T. Suzuki
Tetrahedron Lett. 2004, 45, 8455-8459.   [DOI: 10.1016/j.tetlet.2004.09.115]

15) Recent Advances in the Synthesis of trans-Fused Polycyclic Ethers by Hydroxy-Epoxide-Cyclization and Ether-Ring-Expansion Reactions.
K. Fujiwara, A. Murai
Bull. Chem. Soc. Jpn. 2004, 77, 2129-2146.   [DOI: 10.1246/bcsj.77.2129]

14) Short nonbond and long C-C bond in naphthalene-1,8-diyl(10-methylacridinium) and the corresponding hexaphenylethane derivative: A new electrochromic pair exhibiting dynamic redox properties.
H. Kawai, T. Takeda, K. Fujiwara, T. Suzuki
Tetrahedron Lett. 2004, 45, 8289-8293.   [DOI: 10.1016/j.tetlet.2004.09.071]

13) Enantio- and stereocontrolled formation of the bisspiroacetal core of spirolide B.
J. Ishihara, T. Ishizaka, T. Suzuki, S. Hatakeyama
Tetrahedron Lett. 2004, 45, 7855-7858.   [DOI: 10.1016/j.tetlet.2004.08.156]

12) Novel branched ether formation via conjugate reduction of an unsaturated cycnohydrin derivative and its synthetic application to the EF-ring segment of ciguatoxin.
A. Takemura, K. Fujiwara, A. Murai, H. Kawai, T. Suuki
Tetrahedron Lett. 2004, 45, 7567-7571.   [DOI: 10.1016/j.tetlet.2004.08.117]

11) Convergent synthesis of the ABCDE-ring part of ciguatoxin CTX3C.
K. Fujiwara, A. Goto, D. Sato, Y. Ohtaniuchi, H. Tanaka, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2004, 45, 7011-7014.   [DOI: 10.1016/j.tetlet.2004.07.145]

10) Kinetic stabilization of the o-quinoidal 3,4-benzotropone system.
M. Ohkita, K. Sano, K. Ono, K. Saito, T. Suzuki, T. Tsuji
Org. Biomol. Chem. 2004, 2, 2421-2425.   [DOI: 10.1039/b408393h]

9) Synthesis and Characterization of Hexakis(4-pyridylethynyl)benzene and Hexakis(5-pyrimidylethynyl)benzene.
M. Ohkita, C. Adachi, M. Kawano, T. Suzuki
Heterocycles 2004, 63, 1537-1540.   [DOI: 10.3987/com-04-10073]

8) First Stable 7,7,8,8-Tetraaryl-o-quinodimethane: Isolation, X-ray Structure, Electrochromic Response of 9,10-Bis(dianisylmethylene)-9,10-dihydrophenanthrene.
S. Iwashita, E. Ohta, H. Higuchi, H. Kawai, K. Fujiwara, K. Ono, M. Takenaka, T. Suzuki
Chem. Commun. 2004, 2076-2077.   [DOI: 10.1039/b405837b]

7) Formal Total Synthesis of Hemibrevetoxin B by a Convergent Strategy.
K. Fujiwara, D. Sato, M. Watanabe, H. Morishita, A. Murai, H. Kawai, T. Suzuki
Tetrahedron Lett. 2004, 45, 5243-5246.   [DOI: 10.1016/j.tetlet.2004.05.020]

6) Peri-interaction between Diarylmethyl and Diarylmethylium Units in 1,8-Disubstituted Naphthalenes: Preference of Localized Structure for the C-H Bridged Carbocation.
H. Kawai, T. Nagasu, T. Takeda, K. Fujiwara, T. Tsuji, M. Ohkita, J. Nishida, T. Suzuki
Tetrahedron Lett. 2004, 45, 4553-4558.   [DOI: 10.1016/j.tetlet.2004.04.002]

5) Positive Homotropic Allosteric Binding of Benzenediols in a Hydrindacene-Based Exoditopic Receptor: Cooperativity in Amide Hydrogen Bonding.
H. Kawai, R. Katoono, K. Nishimura, S. Matsuda, K. Fujiwara, T. Tsuji, T. Suzuki
J. Am. Chem. Soc. 2004, 126, 5034-5035.   [DOI: 10.1021/ja049336p]

4) π-Extended o-Quinoidal Tropone Derivatives: Experimental and Theoretical Studies of Naphtho[2,3-c]tropone and Anthro[2,3-c]tropone.
M. Ohkita, K. Sano, T. Suzuki, T. Tsuji, T. Sato, H. Niino
Org. Biomol. Chem. 2004, 2, 1044-1050.   [DOI: 10.1039/b400080n]

3) Three-way-output Response System by Electric Potential: UV-Vis, CD and Fluorescence Spectral changes upon Electrolysis of the Chiral Ester of Tetracyanoanthraquinodimethane.
H. Higuchi, K. Ichioka, H. Kawai, K. Fujiwara, M. Ohkita, T. Tsuji, T. Suzuki
Tetrahedron Lett. 2004, 45, 3027-3030.   [DOI: 10.1016/j.tetlet.2004.02.110]

2) Pyrazino-tetracyanonaphthoquinodimethanes: Sterically Deformed Electron Acceptors Affording Zwitterionic Radicals.
T. Suzuki, S. Miyanari, H. Kawai, K. Fujiwara, T. Fukushima, T. Miyashi, Y. Yamashita
Tetrahedron 2004, 60, 1997-2003.   [DOI: 10.1016/j.tet.2004.01.005]

1) Preparation, Properties and X-ray Structures of 5,5'-Bi(8-aminoquinoxalyl)s: Novel Wurster-type Electron Donors with a Heterobiaryl skeleton.
T. Suzuki, M. Saito, H. Kawai, K. Fujiwara, T. Tsuji
Tetrahedron Lett. 2004, 45, 329-333.   [DOI: 10.1016/j.tetlet.2003.10.151]
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