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1

Photoinduced Electron-Transfer Degenerate Cope Rearrangement of 2,5-Diaryl-1,5-hexadienes: A Cation-Radical Cyclization−Diradical Cleavage Mechanism

Ikeda, Hiroshi, Minegishi, Tomonori, Abe, Hideyuki, Konno, Akinori, Goodman, Joshua L., Miyashi, Tsutomu

Journal:

Journal of the American Chemical Society

Année:

1998

Langue:

english

Fichier:

PDF, 323 KB

english, 1998

2

E.s.r. observation of the radical trianion and radical anion of bis(1,2,5-thiadiazolo)-tetracyanoquinodimethane

Hirayama, Masatoshi, Seki, Akihiko, Yamashita, Yoshiro, Suzuki, Takanori, Miyashi, Tsutomu

Journal:

Journal of the Chemical Society Chemical Communications

Année:

1988

Langue:

english

Fichier:

PDF, 199 KB

english, 1988

3

Photocycloaddition reactions of tricyclo[3.3.1.02,8]nona-3,6-dien-9-one (barbaralone) and carbonyl compounds

Tsutomu Miyashi, Akinori Konno, Yasutake Takahashi, Atsuko Kaneko, Takanori Suzuki, Toshio Mukai, Noboru Koga, Hiizu Iwamura

Journal:

Tetrahedron Letters

Année:

1989

Langue:

english

Fichier:

PDF, 279 KB

english, 1989

4

Evidence for a chair cyclohexane-1,4-radical cation intermediate in the single electron-transfer-induced Cope rearrangement of 2,5-diaryl-1,5-hexadienes

Miyashi, Tsutomu., Konno, Akinori., Takahashi, Yasutake.

Journal:

Journal of the American Chemical Society

Année:

1988

Langue:

english

Fichier:

PDF, 261 KB

english, 1988

5

Electron transfer induced rearrangement of spirofluorenebicyclo[6.1.0]nonatriene to spirofluorenebarbaralane

Miyashi, Tsutomu, Takahashi, Yasutake, Konno, Akinori, Mukai, Toshio, Roth, Heinz D., Schilling, Marcia L., Abelt, Christopher J.

Journal:

Journal of Organic Chemistry

Année:

1989

Langue:

english

Fichier:

PDF, 443 KB

english, 1989

6

Photoinduced Electron-Transfer Cope Rearrangements of 3,6-Diaryl-2,6-octadienes and 2,5-Diaryl-3,4-dimethyl-1,5-hexadienes: Stereospecificity and an Unexpected Formation of the Bicyclo[2.2.0]hexane Derivatives

Ikeda, Hiroshi, Takasaki, Toshihiko, Takahashi, Yasutake, Konno, Akinori, Matsumoto, Masao, Hoshi, Yosuke, Aoki, Takashi, Suzuki, Takanori, Goodman, Joshua L., Miyashi, Tsutomu

Journal:

Journal of Organic Chemistry

Année:

1999

Langue:

english

Fichier:

PDF, 160 KB

english, 1999

7

Solvent effects on photoinduced electron-transfer reactions

Niwa, Taeko, Kikuchi, Koichi, Matsusita, Noriyuki, Hayashi, Michiko, Katagiri, Tomoharu, Takahashi, Yasutake, Miyashi, Tsutomu

Journal:

Journal of Physical Chemistry

Année:

1993

Langue:

english

Fichier:

PDF, 570 KB

english, 1993

8

ELECTRODE-CATALYZED [2+2]CYCLOREVERSION REACTION OF PHENYLATED BIS-HOMOCUBANES

Takahashi, Yasutake, Sato, Katsuhiro, Miyashi, Tsutomu, Mukai, Toshio

Journal:

Chemistry Letters

Année:

1984

Langue:

english

Fichier:

PDF, 3.33 MB

english, 1984

9

The synthesis and properties of 11,11,12,12-Tetracyanoanthraquinodimethan and its derivatives.

NISHIZAWA, Yoshinori, SUZUKI, Takanori, YAMASHITA, Yoshiro, MIYASHI, Tsutomu, MUKAI, Toshio

Journal:

NIPPON KAGAKU KAISHI

Année:

1985

Fichier:

PDF, 1.17 MB

1985

10

Photosensitized Electron-Transfer Reactions of 1-Isopropylidene-2-methylene-3,3-diphenylcyclobutane − [4 + 4] Cycloaddition and Cyclodimerization Initiated by a Buta-1,3-diene Radical Cation Functionality

Hiroshi Ikeda, Nozomi Aburakawa, Futoshi Tanaka, Takanori Fukushima, Tsutomu Miyashi

Journal:

European Journal of Organic Chemistry

Année:

2001

Langue:

english

Fichier:

PDF, 361 KB

english, 2001

11

Bis([1,2,5]thiadiazolo)[3,4-b;3′,4′-e]pyrazin, ein neuer Heterocyclus mit 14 π-Elektronen und hoher Elektronenaffinität

Dr. Yoshiro Yamashita, Kenichi Saito, Takanori Suzuki, Dr. Chizuko Kabuto, Prof. Dr. Toshio Mukai, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie

Année:

1988

Fichier:

PDF, 226 KB

1988

12

p-Chinodimethan-Analoga von Tetrathiafulvalen

Prof. Dr. Yoshiro Yamashita, Yasuo Kobayashi, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie

Année:

1989

Fichier:

PDF, 234 KB

1989

13

4,7-Dimethyl-4,7-dihydro[1,2,5]thiadiazolo[3,4-b]-pyrazin, ein neuer Elektronendonor mit einem 12π-Elektronensystem

Prof. Dr. Yoshiro Yamashita, Junko Eguchi, Dr. Takanori Suzuki, Dr. Chizuko Kabuto, Prof. Dr. Tsutomu Miyashi, Dr. Shoji Tanaka

Journal:

Angewandte Chemie

Année:

1990

Langue:

german

Fichier:

PDF, 210 KB

german, 1990

14

Tetrathienylethylene, eine neue Klasse von Elektronendonoren — Stabilisierung um 90° verdrillter Dikationen durch Bildung von Polymethin-Einheiten

Dr. Takanori Suzuki, Hiroaki Shiohara, Masayuki Monobe, Tomoo Sakimura, Dr. Shoji Tanaka, Prof. Dr. Yoshiro Yamashita, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie

Année:

1992

Fichier:

PDF, 395 KB

1992

15

Synthese und Strukturen des gefalteten und des verdrehten Konformers von Bis{4H,8H-4-diacyanmethylen)benzol[1,2-c:4,5-c′]bis[1,2,5]thiadiazol-8-yliden}, einem sterisch überladenen Ethylen mit hoher Elektronenaffinität

Prof. Takanori Suzuki, Takanori Fukushima, Prof. Tsutomu Miyashi, Prof. Takashi Tsuji

Journal:

Angewandte Chemie

Année:

1997

Fichier:

PDF, 377 KB

1997

16

Bis([1,2,5]thiadiazolo)[3,4-b;3′,4′-e]pyrazine, a Novel 14π-Electron Heterocycle with High Electron Affinity

Dr. Yoshiro Yamashita, Kenichi Saito, Takanori Suzuki, Dr. Chizuko Kabuto, Prof. Dr. Toshio Mukai, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie International Edition

Année:

1988

Langue:

english

Fichier:

PDF, 230 KB

english, 1988

17

p-Quinodimethane Analogues of Tetrathiafulvalene

Prof. Dr. Yoshiro Yamashita, Yasuo Kobayashi, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie International Edition

Année:

1989

Langue:

english

Fichier:

PDF, 241 KB

english, 1989

18

4,7-Dimethyl-4,7-dihydro[1,2,5]thiadiazolo-[3,4-b]pyrazine, a Novel Electron Donor with a 12π-Electron Ring System

Prof. Dr. Yoshiro Yamashita, Junko Eguchi, Dr. Takanori Suzuki, Dr. Chizuko Kabuto, Prof. Dr. Tsutomu Miyashi, Dr. Shoji Tanaka

Journal:

Angewandte Chemie International Edition

Année:

1990

Langue:

english

Fichier:

PDF, 318 KB

english, 1990

19

Tetrathienylethylenes, a New Class of Electron Donors—Dications Twisted by 90° Stabilized by Formation of Polymethine Units

Dr. Takanori Suzuki, Hiroaki Shiohara, Masayuki Monobe, Tomoo Sakimura, Dr. Shoji Tanaka, Prof. Dr. Yoshiro Yamashita, Prof. Dr. Tsutomu Miyashi

Journal:

Angewandte Chemie International Edition

Année:

1992

Langue:

english

Fichier:

PDF, 483 KB

english, 1992

20

Isolation and X-ray Structural Determination of Both Folded and Twisted Conformers of Bis{4H,8H-4-(dicyanomethylene)-benzo[1,2-c:4,5-c′]bis[1,2,5]thiadiazol-8-ylidene}, an Overcrowded Ethylene with High Electron Affinity

Prof. Takanori Suzuki, Takanori Fukushima, Prof. Tsutomu Miyashi, Prof. Takashi Tsuji

Journal:

Angewandte Chemie International Edition

Année:

1997

Langue:

english

Fichier:

PDF, 405 KB

english, 1997

21

ChemInform Abstract: Photoinduced Electron Transfer Reactions of Cyclopropane Derivatives

Tsutomu Miyashi, Hiroshi Ikeda, Yasutake Takahashi, Kimio Akiyama

Journal:

Année:

1999

Fichier:

PDF, 25 KB

1999

22

ChemInform Abstract: Photoinduced Electron-Transfer Intramolecular Cyclization of Acyclic Dienes with Two Styrene Units

Tsutomu Miyashi, Hiroshi Ikeda, Yasutake Takahashi

Journal:

Année:

1999

Fichier:

PDF, 25 KB

1999

23

ChemInform Abstract: Supramolecular Aggregation of m-Nitrobenzoic Acid by C—H×××O and O—H×××O Hydrogen Bondings in the Crystalline Charge-Transfer Complexes with Aromatic Hydrocarbons.

Takanori Suzuki, Takashi Tsuji, Takanori Fukushima, Setsuko Miyanari, Tsutomu Miyashi, Yasuyuki Sakata, Tsutomu Kouda, Hiroki Kamiyama

Journal:

Année:

2000

Fichier:

PDF, 27 KB

2000

24

ChemInform Abstract: Synthesis of p-tert-Butylthiacalix[4]arene and Its Inclusion Property.

Nobuhiko Iki, Chizuko Kabuto, Takanori Fukushima, Hitoshi Kumagai, Haruhiko Takeya, Setsuko Miyanari, Tsutomu Miyashi, Sotaro Miyano

Journal:

Année:

2000

Fichier:

PDF, 25 KB

2000

25

Dynamic Redox Systems: Toward the Realization of Unimolecular Memory

Takanori Suzuki, Hiroki Higuchi, Takashi Tsuji, Jun-ichi Nishida, Yoshiro Yamashita, Tsutomu Miyashi

Journal:

Année:

2003

Fichier:

PDF, 4 KB

2003

26

Photoinduced Electron-Transfer, Pyrolyses, and Direct Irradiation Reactions of 2-Methylenecyclobutanones: Regioselective Bond Cleavage Depends on the Substituents and the Method of Activation

Hiroshi Ikeda, Futoshi Tanaka, Tsutomu Miyashi, Kimio Akiyama, Shozo Tero-Kubota

Journal:

European Journal of Organic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 195 KB

english, 2004

27

Intramolecular electronic energy transfer of bichromophoric molecules in a supersonic free jet

Takayuki Ebata, Yasushi Suzuki, Naohiko Mikami, Tsutomu Miyashi, Mitsuo Ito

Journal:

Chemical Physics Letters

Année:

1984

Langue:

english

Fichier:

PDF, 392 KB

english, 1984

28

Energy gap dependence of the charge recombination process of ion pairs produced by excitation of 2,6,9,10-tetracynoanthracene—methylsubstituted benzene charge transfer complexes in acetonitrile

Tsuyoshi Asahi, Noboru Mataga, Yasutake Takahashi, Tsutomu Miyashi

Journal:

Chemical Physics Letters

Année:

1990

Langue:

english

Fichier:

PDF, 452 KB

english, 1990

29

Evidence of exciplex formation in acetonitrile

Koichi Kikuchi, Taeko Niwa, Yasutake Takahashi, Hiroshi Ikeda, Tsutomu Miyashi, Masato Hoshi

Journal:

Chemical Physics Letters

Année:

1990

Langue:

english

Fichier:

PDF, 306 KB

english, 1990

30

A critical consideration on the lack of inverted region in the Rehm—Weller plot for electron-transfer fluorescence quenching

Koichi Kikuchi, Yasutake Takahashi, Tomoharu Katagiri, Taeko Niwa, Masato Hoshi, Tsutomu Miyashi

Journal:

Chemical Physics Letters

Année:

1991

Langue:

english

Fichier:

PDF, 494 KB

english, 1991

31

Evidence for generation of electronically excited radical ion in very exothermic electron-transfer fluorescence quenching

Koichi Kikuchi, Tomoharu Katagiri, Taeko Niwa, Yasutake Takahashi, Takanori Suzuki, Hiroshi Ikeda, Tsutomu Miyashi

Journal:

Chemical Physics Letters

Année:

1992

Langue:

english

Fichier:

PDF, 513 KB

english, 1992

32

The tricyclo[5.2.0.02,9 Nona-3,5-diene system (homooctavalene)

Tsutomu Miyashi, Takekatsu Sugiyama, Tetsuo Nakajo, Toshio Mukai

Journal:

Tetrahedron Letters

Année:

1976

Langue:

english

Fichier:

PDF, 266 KB

english, 1976

33

Photoinduced electron-transfer reactions of 2,7-diarylocta-1,7-dienes and 2,8-Diarylnona-1,8-dienes

Yasutake Takahashi, Masatoshi Ando, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1995

Langue:

english

Fichier:

PDF, 229 KB

english, 1995

34

Photoinduced skeletal rearrangement of 1,1-diphenylspiropentanes

Yasutake Takahashi, Hitoshi Ohaku, Shin-ichi Morishima, Takanori Suzuki, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1995

Langue:

english

Fichier:

PDF, 246 KB

english, 1995

35

Phenylcyclopropane cation radical revisited: Generation, direct observation and determination of the rates of nucleophilic capture

Yasutake Takahashi, Naoki Nishioka, Fumiyoshi Endoh, Hiroshi Ikeda, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1996

Langue:

english

Fichier:

PDF, 192 KB

english, 1996

36

Phenyl substitution effects on rate acceleration of cation radical deazetation of 2,3-diazabicyclo[2.2.2]oct-2-enes

Hiroshi Ikeda, Tomonori Minegishi, Yasutake Takahashi, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1996

Langue:

english

Fichier:

PDF, 239 KB

english, 1996

37

Electrocycloreversion of benzocyclobutenols promoted by photoinduced electron transfer

Yasutake Takahashi, Kazuya Miyamoto, Kazuhiro Sakai, Hiroshi Ikeda, Tsutomu Miyashi, Yoshikatsu Ito, Ken Tabohashi

Journal:

Tetrahedron Letters

Année:

1996

Langue:

english

Fichier:

PDF, 253 KB

english, 1996

38

Electron transfer photochemistry of endoperoxides

Yasutake Takahashi, Shin-ichi Morishima, Tsutomu Miyashi

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Année:

1992

Langue:

english

Fichier:

PDF, 423 KB

english, 1992

39

Pyrazino-tetracyanonaphthoquinodimethanes: sterically deformed electron acceptors affording zwitterionic radicals

Takanori Suzuki, Setsuko Miyanari, Hidetoshi Kawai, Kenshu Fujiwara, Takanori Fukushima, Tsutomu Miyashi, Yoshiro Yamashita

Journal:

Année:

2004

Langue:

english

Fichier:

PDF, 261 KB

english, 2004

40

4,7-Bis(dimethylamino)benzimidazoles and twin-type derivatives: reversible two-stage redox system modulated by proton-transfer

Takanori Suzuki, Yoshiaki Tsubata, Yoshiaki Obana, Takanori Fukushima, Tsutomu Miyashi, Mayu Saito, Hidetoshi Kawai, Kenshu Fujiwara, Kimio Akiyama

Journal:

Tetrahedron Letters

Année:

2003

Langue:

english

Fichier:

PDF, 180 KB

english, 2003

41

Direct observation and kinetic characterization of o-quinodimethane and its radical cation variant generated in a photoinduced electron-transfer reaction of 1,2-bis(α-styryl)benzene

Hiroshi Ikeda, Teruyo Ikeda, Megumi Akagi, Hayato Namai, Tsutomu Miyashi, Yasutake Takahashi, Masaki Kamata

Journal:

Tetrahedron Letters

Année:

2005

Langue:

english

Fichier:

PDF, 191 KB

english, 2005

42

Fluorescence quenching of aromatic molecules by SCN− in acetonitrile: effect of molecular size on electron transfer fluorescence quenching

Chika Sato, Koichi Kikuchi, Hiromi Ishikawa, Makio Iwahashi, Hiroshi Ikeda, Yasutake Takahashi, Tsutomu Miyashi

Journal:

Chemical Physics Letters

Année:

1997

Langue:

english

Fichier:

PDF, 441 KB

english, 1997

43

Electron-transfer induced intramolecular [2 + 2] cyloaddition of 2,6-diarylhepta-1,6-dienes

Yasutake Takahashi, Osamu Okitsu, Masatoshi Ando, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1994

Langue:

english

Fichier:

PDF, 364 KB

english, 1994

44

Electron transfer induced isomerization of cis,trans- and trans,trans-1,4-diphenyl-1,3-butadiene

Kan Wakamatsu, Yasutake Takahashi, Koichi Kikuchi, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1994

Langue:

english

Fichier:

PDF, 403 KB

english, 1994

45

Unusual cycloaddition of a cage ketone with tetracyanoethylene by irradiation of the electron donor-acceptor complex.

Hiroshi Ikeda, Yoshiro Yamashita, Chizuko Kabuto, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1988

Langue:

english

Fichier:

PDF, 373 KB

english, 1988

46

Crystal structures of molecular complexes of 2-chloro-11,11,12,12-tetracyanoanthraquinodimethane with benzene (1:1) and pyrene(2:1): A novel type of charge transfer complexes

Chizuko Kabuto, Yoshimasa Fukazawa, Takanori Suzuki, Yoshiro Yamashita, Tsutomu Miyashi, Toshio Mukai

Journal:

Tetrahedron Letters

Année:

1986

Langue:

english

Fichier:

PDF, 234 KB

english, 1986

47

The electron transfer induced interconversion of cyclobutanes and diolefins

Heinz D. Roth, Marcia L.M. Schilling, Toshio Mukai, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1983

Langue:

english

Fichier:

PDF, 208 KB

english, 1983

48

Divergent rearrangement pathways in the electron-transfer induced spiropentane-methylenecyclobutane rearrangement: Role of cip and ssip

Tsutomu Miyashi, Yasutake Takahashi, Hitoshi Ohaku, Kazufumi Yokogawa, Shin-ichi Morishima, Toshio Mukai

Journal:

Tetrahedron Letters

Année:

1990

Langue:

english

Fichier:

PDF, 296 KB

english, 1990

49

Aminium radical salt catalyzed desulphurization of thiiranes: An efficient preparation of arylsubstituted olefins

Masaki Kamata, Kazuyuki Murayama, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

1989

Langue:

english

Fichier:

PDF, 195 KB

english, 1989

50

1,3-Bis(4-methoxyphenyl)cyclohexane-1,3-diyl cation radical: divergent reactivity depending upon electron-transfer conditions

Hiroshi Ikeda, Yosuke Hoshi, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Année:

2001

Langue:

english

Fichier:

PDF, 139 KB

english, 2001