Research Achievements - Original paper -

First stable 7,7,8,8-tetraaryl-o-quinodimethane: isolation, X-ray structure, electrochromic response of 9,10-bis(dianisylmethylene)-9,10-dihydrophenanthrene

Iwashita, S., Ohta, E., Higuchi, H., Kawai, H., Fujiwara, K., Ono, K., Takenaka, M. and Suzuki, T.

Chem. Commun.   ( 18 ) 2076 - 2077   2004.01  [Refereed]

Research paper (journal)   Domestic Co-author

Three-Way-Output Response System by Electric Potential: UV-Vis, CD, and Fluorescence Spectral Changes upon Electrolysis of the Chiral Ester of Tetracyanoanthraquinodimethane

Higuchi, H., Ichioka, K., Kawai, H., Fujiwara, K., Ohkita, M., Tsuji, T. and Suzuki, T.

Tetrahedron Lett.   45 ( 15 ) 3027 - 3030   2004.01  [Refereed]

Research paper (journal)   Domestic Co-author

Short Nonbond and Long C-C Bond in Naphthalene-1,8-diylbis(10-methylacridinium) and the Corresponding Hexaphenylethane derivative: A New Electrochromic Pair Exhibiting Dynamic Redox Properties

Kawai, H., Takeda, T., Fujiwara, K. and Suzuki, T.

Tetrahedron Lett.   45 ( 45 ) 8289 - 8293   2004.01  [Refereed]

Research paper (journal)   Domestic Co-author

Electrochiroptical Responce of 2,2'-(2,2-Diarylethenyl)binaphthyl-type Electron Donors that Undergo Reversible C-C Bond Formation/Breaking Upon Two-Electron Transfer

Higuchi, H., Oota, E., Kawai, H., Fujiwara, K., Tsuji, T., and Suzuki, T.

J. Org. Chem.   68 ( 17 ) 6605 - 6610   2003.01  [Refereed]

Research paper (journal)   Domestic Co-author

A Novel Redox Switch for Fluorescence: Drastic UV-Vis and Fluorescence Spectral Changes upon Electrolysis of a Hexaphenylethane Derivative of 10,10 '-Dimethylbiacridan

Suzuki, T., Migita, A., Higuchi, H., Kawai, H., Fujiwara, K. and Tsuji, T.

Tetrahedron Lett.   44 ( 36 ) 6837 - 6840   2003.01  [Refereed]

Research paper (journal)   Domestic Co-author

4,7-Bis(dimethylamino)benzimidazoles and Twin-type Derivatives: Reversible Two-stage Redox System Modulated by Proton-transfer

Suzuki, T., Tsubata, Y., Obana, Y., Fukushima, T., Miyashi, T., Saito, M., Kawai, H., Fujiwara, K. and Akiyama, K.

Tetrahedron Lett.   44 ( 43 ) 7881 - 7884   2003.01  [Refereed]

Research paper (journal)   Domestic Co-author

Formation of Keto-carbenium from 1,2,2-Triarylacenaphten-1-ols by Breaking a Long C-C Bond: Unusual Alcohol Protonolysis Accompanied by Formal Hydride Abstraction

Suzuki, T., Nagasu, T., Kawai, H., Fujiwara, K. and Tsuji, T.

Tetrahedron Lett.   44 ( 32 ) 6095 - 6098   2003.01  [Refereed]

Research paper (journal)   Domestic Co-author

Syntheses of the D-, E-, F-, and I-Ring Parts of Ciguatoxin by a Common Strategy Starting from Tri-O-acetyl-D-glucal

Fujiwara, K., Koyama, Y., Doi, E., Shimawaki, K., Ohtaniuchi, Y., Takemura, A., Souma, S.-i., and Murai, A.

Synlett   ( 9 ) 1496 - 1499   2002.01  [Refereed]

Research paper (journal)   Domestic Co-author

Synthesis of the AB-Ring Segment for the Convergent Construction of the Left Half in Ciguatoxin

Tanaka, H., Kawai, K., Fujiwara, K., and Murai, A.

Tetrahedron   58 ( 50 ) 10017 - 10031   2002.01  [Refereed]

Research paper (journal)   Domestic Co-author

Total Synthesis of Prelaureatin

Fujiwara, K., Souma, S.-i., Mishima, H., and Murai, A.

Synlett   ( 9 ) 1493 - 1495   2002.01  [Refereed]

Research paper (journal)   Domestic Co-author

Convergent Synthesis of the BCDE-Ring Part of Ciguatoxin

Fujiwara, K., Koyama, Y., Kawai, K., Tanaka, H., and Murai, A.

Synlett   ( 11 ) 1835 - 1838   2002.01  [Refereed]

Research paper (journal)   Domestic Co-author

Chemical realization of the biogenetic pathway proposed for the fused polycyclic ethers of marine origins

Fujiwara, K.

J. Synth. Org. Chem. Jpn.   59 ( 10 ) 948 - 959   2001.01  [Refereed]

Research paper (journal)   Single author

Benzyloxymethyl Group as a Convertible Internal Ligand for La(OTf)3-Catalyzed 7-endo Ring-opening of Hydroxy Epoxide

Fujiwara, K., Morishita, H., Tokiwano, T. and Murai, A.

Heterocycles   54   109 - 110   2001.01  [Refereed]

Research paper (journal)   Domestic Co-author

Convergent Syntheses of the Enantiomeric CD- and JK-Ring Parts of Ciguatoxin

Fujiwara, K., Takaoka, D., Kusumi, K., Kawai, K. and Murai, A.

Synlett     691 - 693   2001.01  [Refereed]

Research paper (journal)   Domestic Co-author

Novel Oxepane Formation by TiCl4-Catalyzed Nucleophilic Cleavage of 1-Alkoxymethyl-6,8-dioxabicyclo[3.2.1]octanes

K. Fujiwara, A. Amano, T. Tokiwano, and A. Murai

Tetrahedron   56 ( 8 ) 1065 - 1080   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author

Effect of Molecular Sieves and Methanol on the endo-Selectivity in La(OTf)3-catalyzed Cyclization of 5-Hydroxy-2-methoxymethyl-1,2-epoxide System

T. Tokiwano, K. Fujiwara, and A. Murai

Chem. Lett.   ( 3 ) 272 - 273   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author

Asymmetric Synthesis of the A-ring Part of Ciguatoxin by the Strategy Based on Diastereoselective Hydroboration and Ring Closing Metathesis

K. Fujiwara, H. Tanaka, and A. Murai

Chem. Lett.   ( 6 ) 610 - 611   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author

Stereochemistry in the Bromination of 2,7-Dialkyl-3-hydroxyoxepane System Induced by R3P-Br2 Complex

K. Fujiwara, M. Kobayashi, D. Awakura, and A. Murai

Synlett   ( 8 ) 1187 - 1189   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author

Biomimetic Construction of Fused Tricyclic Ether by Cascaded endo-Cyclization of the Hydroxy Triepoxide

T. Tokiwano, K. Fujiwara, and A. Murai

Synlett   ( 3 ) 335 - 338   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author

Synthetic Studies on Pectenotoxins: Synthesis of the Common C8-C18 THF Fragment

D. Awakura, K. Fujiwara, and A. Murai

Synlett   ( 12 ) 1733 - 1736   2000.01  [Refereed]

Research paper (journal)   Domestic Co-author