Tsutomu Miyashi: search on Z-Library

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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

Year:

1998

Language:

english

File:

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

Year:

1988

Language:

english

File:

PDF, 199 KB

english, 1988

3

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

Year:

1988

Language:

english

File:

PDF, 261 KB

english, 1988

4

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

Year:

1985

File:

PDF, 1.17 MB

1985

5

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

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

Journal:

Chemistry Letters

Year:

1984

Language:

english

File:

PDF, 3.33 MB

english, 1984

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

Year:

1999

Language:

english

File:

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

Year:

1993

Language:

english

File:

PDF, 570 KB

english, 1993

8

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

Year:

1989

Language:

english

File:

PDF, 443 KB

english, 1989

9

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

Year:

1989

Language:

english

File:

PDF, 279 KB

english, 1989

10

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

Year:

1996

Language:

english

File:

PDF, 192 KB

english, 1996

11

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

Year:

2005

Language:

english

File:

PDF, 191 KB

english, 2005

12

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

Year:

1994

Language:

english

File:

PDF, 364 KB

english, 1994

13

Electron-transfer photochemistry of 2,3-diphenyl-1,3-butadiene

Yasutake Takahashi, Rieko Iida, Tsutomu Miyashi

Journal:

Research on Chemical Intermediates

Year:

1995

Language:

english

File:

PDF, 656 KB

english, 1995

14

Possible photochemical (.pi.4s + .pi.2a) Diels-Alder reaction. Photodimerization of 6,6-dimethyl-2,3-benzo-2,4-cycloheptadienone

Hart, Harold, Miyashi, Tsutomu, Buchanan, Douglas N., Sasson, Sabar

Journal:

Journal of the American Chemical Society

Year:

1974

Language:

english

File:

PDF, 1.25 MB

english, 1974

15

Inversion of the ground-state spin multiplicity by electron-withdrawing groups in trimethylenemethane derivatives generated photochemically from methylenequadricyclane derivatives

Hirano, Takashi, Kumagai, Tsutomu, Miyashi, Tsutomu, Akiyama, Kimio, Ikegami, Yusaku

Journal:

Journal of Organic Chemistry

Year:

1992

Language:

english

File:

PDF, 1.27 MB

english, 1992

16

2,2′-(5,8-Dihydroquinoxaline-5,8-diylidene)bis(1,3-benzodithiole)s. A New Type of Electron Donors

Yamashita, Yoshiro, Suzuki, Takanori, Miyashi, Tsutomu

Journal:

Chemistry Letters

Year:

1989

File:

PDF, 362 KB

1989

17

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

Year:

2004

Language:

english

File:

PDF, 195 KB

english, 2004

18

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

Year:

1990

Language:

english

File:

PDF, 296 KB

english, 1990

19

Organic thermal reactions. 37. Novel cyclization of allyldiazomethane to 3-methyl-3H-pyrazole

Miyashi, Tsutomu, Nishizawa, Yoshinori, Sugiyama, Takekatsu, Mukai, Toshio

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 391 KB

english, 1977

20

Rearrangement of a 2-Methylenecyclobutanone Derivative Triggered by Photoinduced Electron Transfer: An Unprecedented Oxa Analogue of the Tetramethyleneethane Radical Cation

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

Journal:

Journal of the American Chemical Society

Year:

2004

Language:

english

File:

PDF, 59 KB

english, 2004

21

An Anion Radical Salt of a Quinone Fused with 1,3-Dithiole Units. Crystal and Molecular Structure of a Tetraethylammonium Salt of 2,6-Dithioxobenzo[1,2- d :4,5- d ′]bis[1,3]dithiole-4,8-dione

Suzuki, Takanori, Kabuto, Chizuko, Yamashita, Yoshiro, Miyashi, Tsutomu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1987

File:

PDF, 451 KB

1987

22

Crystal Structures of Metallic and Insulating Molecular Complexes between Naphthaceno[5,6- cd : 11,12- c ′ d ′]bis[1,2]diselenole and 4,8-Bis(dicyanomethylene)-4 H ,8 H -benzo[1,2- c : 4,5- c ′]bis[1,2,5]thiadiazole: (TSeN)(BTDA-TCNQ) and (TSeN)(BTDA-TCNQ)(C 6 H 5 Cl)

Iwasaki, Kentaro, Ugawa, Akito, Kawamoto, Atsushi, Yamashita, Yoshiro, Yakushi, Kyuya, Suzuki, Takanori, Miyashi, Tsutomu

Journal:

Bulletin of the Chemical Society of Japan

Year:

1992

File:

PDF, 1.27 MB

1992

23

ChemInform Abstract: (1,3)-SIGMATROPIC REARRANGEMENT WITH RETENTION OF CONFIGURATION FORCED UPON THE MIGRATION GROUP

BERSON, JEROME A., MIYASHI, TSUTOMU, JONES, GUILFORD II

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 193 KB

1974

24

Dynamic Redox Systems: Toward the Realization of Unimolecular Memory

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

Journal:

Year:

2003

File:

PDF, 4 KB

2003

25

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

Year:

1997

Language:

english

File:

PDF, 441 KB

english, 1997

26

Mechanistic Studies of the Azomethine Ylide-Forming Photoreactions of N-(Silylmethyl)phthalimides and N-Phthaloylglycine

Falvey, Daniel F., Mariano, Patrick S., Takahashi, Yasutake, Miyashi, Tsutomu, Yoon, Ung Chan, Oh, Sun Wha, Mancheno, Maria, Su, Zhuoyi

Journal:

Journal of the American Chemical Society

Year:

1999

Language:

english

File:

PDF, 97 KB

english, 1999

27

Preparation, properties, and crystal structure of a 1,2,5-thiadiazolotetra-cyanoquinodimethane

Suzuki, Takanori, Yamashita, Yoshiro, Kabuto, Chizuko, Miyashi, Tsutomu

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1989

Language:

english

File:

PDF, 199 KB

english, 1989

28

Isomerization of cis,trans- and trans,trans-1,4-diphenylbuta-1,3-dienes by photoinduced electron transfer

Wakamatsu, Kan, Takahashi, Yasutake, Kikuchi, Koichi, Miyashi, Tsutomu

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1996

Language:

english

File:

PDF, 808 KB

english, 1996

29

Intramolecular olefin epoxidation observed in the air oxidation of 1-phenyl-1-diazopent-4-ene derivatives

Miyashi, Tsutomu, Kamata, Masaki, Nishizawa, Yoshinori, Mukai, Toshio

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1984

Language:

english

File:

PDF, 185 KB

english, 1984

30

Heavy-atom effects on the excited singlet-state electron-transfer reaction

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

Journal:

Journal of Physical Chemistry

Year:

1991

Language:

english

File:

PDF, 642 KB

english, 1991

31

Formation and Spin Density Distribution of the Radical Anion and Radical Trianion of Bis[diphenylpyradino]tetracyanoquinodimethane Studied by ESR

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

Journal:

Chemistry Letters

Year:

1988

Language:

english

File:

PDF, 5.40 MB

english, 1988

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

Year:

1976

Language:

english

File:

PDF, 266 KB

english, 1976

33

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

Year:

2003

Language:

english

File:

PDF, 180 KB

english, 2003

34

Photoinduced Electron-Transfer Bicyclopropenyl-benzene Rearrangements of 2,2‘,3,3‘-Tetraphenylbicyclopropenyls: A New Mechanism via Dewar Benzene

Ikeda, Hiroshi, Hoshi, Yosuke, Kikuchi, Yuka, Tanaka, Futoshi, Miyashi, Tsutomu

Journal:

Organic Letters

Year:

2004

Language:

english

File:

PDF, 100 KB

english, 2004

35

Quenching mechanism in a highly exothermic region of the Rehm-Weller relationship for electron-transfer fluorescence quenching

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

Journal:

Journal of Physical Chemistry

Year:

1993

Language:

english

File:

PDF, 431 KB

english, 1993

36

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

Year:

1997

Language:

english

File:

PDF, 405 KB

english, 1997

37

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

Year:

1990

Language:

english

File:

PDF, 452 KB

english, 1990

38

Proton-induced single electron transfer reactions: Photooxygenation of 1,1,2,2-tetraarylcyclopropanes in the presence of protic acids

Masaki Kamata, Hirotaka Furukawa, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 217 KB

english, 1990

39

Evidence for two different radical cation types derived from methylenecyclopropane

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

Journal:

Journal of the American Chemical Society

Year:

1985

Language:

english

File:

PDF, 289 KB

english, 1985

40

Organic thermal reactions. 39. Deep-seated rearrangement in the anionic oxy-Cope system. Extremely facile epimerically unfavorable anionic oxy-Cope rearrangement of anti-bisallylic 1,5,7-triene alkoxides

Miyashi, Tsutomu, Hazato, Atsuo, Mukai, Toshio

Journal:

Journal of the American Chemical Society

Year:

1978

Language:

english

File:

PDF, 436 KB

english, 1978

41

Dibenzotetrathiafulvalenes inserted with cycloalkanes and their tricyclic valence isomers: reversible C–C bond making/breaking upon electron transfer

Suzuki, Takanori, Kondo, Masahide, Nakamura, Tatsuo, Fukushima, Takanori, Miyashi, Tsutomu

Journal:

Chemical Communications

Year:

1997

Language:

english

File:

PDF, 55 KB

english, 1997

42

Generation of an o-xylylene: electrocyclization of 1,2-bis(1-phenylvinyl)benzene promoted by photoinduced electron transfer

Takahashi, Yasutake, Ohya, Yukako, Ikeda, Hiroshi, Miyashi, Tsutomu

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1995

Language:

english

File:

PDF, 187 KB

english, 1995

43

The photochemical [3 + 2]cycloaddition reaction of 2,2,3,3-tetra-arylthiiranes and tetracyanoethylene through electron donor?acceptor complexes

Kamata, Masaki, Miyashi, Tsutomu

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1989

Language:

english

File:

PDF, 217 KB

english, 1989

44

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

Year:

1990

Language:

english

File:

PDF, 318 KB

english, 1990

45

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

Year:

1991

Language:

english

File:

PDF, 494 KB

english, 1991

46

Substitution effects on regioselective cyclizations of 1,5- and 2,4-Diphenyl-l,5-hexadiene cation radicals generated by the electron-transfer photosensitizations

Hiroshi Ikeda, Tomo Oikawa, Tsutomu Miyashi

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 378 KB

english, 1993

47

Preparation and Properties of Tetrathio-derivatives of Quinodimethanes Fused to a 1,2,5-Thiadiazole Unit and Related Heterocycles

Yamashita, Yoshiro, Miyashi, Tsutomu

Journal:

Chemistry Letters

Year:

1988

Language:

english

File:

PDF, 6.34 MB

english, 1988

48

p-Chinodimethan-Analoga von Tetrathiafulvalen

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

Journal:

Angewandte Chemie

Year:

1989

File:

PDF, 234 KB

1989

49

Trimethylenemethane cation radical: photosensitized (electron-transfer) generation and reactivity

Takahashi, Yasutake, Miyashi, Tsutomu, Mukai, Toshio

Journal:

Journal of the American Chemical Society

Year:

1983

Language:

english

File:

PDF, 430 KB

english, 1983

50

An Evolved Explanation for the Molecular Geometry and Electronic Structure of Diphenyl-Substituted Cyclic Trimethylenemethane in the Ground State: A Nearly Planar Conformation with a Considerably Localized Electronic State

Ikeda, Hiroshi, Namai, Hayato, Taki, Hirotsugu, Miyashi, Tsutomu

Journal:

Journal of Organic Chemistry

Year:

2005

Language:

english

File:

PDF, 217 KB

english, 2005

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