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1

Kinetics of the Formation and Decomposition of the Anionic σ Complexes in the Reaction of N-Ethyl- 2,4,6-Trinitroacetanilide with Sodium Methoxide in Methanol

Shizen Sekiguchi, Masaru Aoki

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1982

Language:

english

File:

PDF, 51 KB

english, 1982

2

Aromatic nucleophilic substitution reactions of 1-dialkylamino-substituted activated benzenes with various amines in dimethyl sulfoxide

Shizen Sekiguchi, Hiromi Ishikura, Yukitoshi Hirosawa, Nobuyuki Ono

Journal:

Year:

1990

Language:

english

File:

PDF, 600 KB

english, 1990

3

Reactions of chloro-s-triazines with aminophenol

Takeo Harayama, Shizen Sekiguchi, Kohji Matsui

Journal:

Journal of Heterocyclic Chemistry

Year:

1970

Language:

english

File:

PDF, 392 KB

english, 1970

4

Preparation and reactions of isocyano-1,3,5-triazines

Yoji Hashida, Akira Imai, Shizen Sekiguchi

Journal:

Journal of Heterocyclic Chemistry

Year:

1989

File:

PDF, 297 KB

1989

5

Aromatic nucleophilic substitution. 11. Effects of ortho substituents on the rates of the smiles rearrangements of (.beta.-acetylamino)ethyl 2-X-4-Y-6-Z-1-phenyl ethers with potassium hydroxide in aqueous dimethyl sulfoxide

Sekiguchi, Shizen, Ohtsuka, Isao, Okada, Keiji

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 519 KB

english, 1979

6

Proton-transfer reactions in the excited state of phenanthrylamines by nanosecond spectroscopy and fluorimetry

Tsutsumi, Kinzo, Sekiguchi, Shizen, Shizuka, Haruo

Journal:

Journal of the Chemical Society Faraday Transactions 1

Year:

1982

Language:

english

File:

PDF, 942 KB

english, 1982

7

Reactions of secondary amines with their N-(2,4-dinitro-1-naphthyl) derivatives to form Jackson-Meisenheimer adducts. Substantial difference in reaction rates between pyrrolidine and piperidine

Sekiguchi, Shizen, Bunnett, J. F.

Journal:

Journal of the American Chemical Society

Year:

1981

Language:

english

File:

PDF, 488 KB

english, 1981

8

Kinetics of reactions of cyclic secondary amines with 2,4-dinitro-1-naphthyl ethyl ether in dimethyl sulfoxide solution. Spectacular difference between the behavior of pyrrolidine and piperidine

Bunnett, Joseph F., Sekiguchi, Shizen, Smith, Lewis A.

Journal:

Journal of the American Chemical Society

Year:

1981

Language:

english

File:

PDF, 865 KB

english, 1981

9

Aromatic nucleophilic substitution. 14. Kinetics of the formation and decomposition of 1,1-disubstituted naphthalene Meisenheimer complexes in the reaction of 1-methoxy-2-nitro-4-cyanonaphthalene with various metal methoxides in methanol. Evidence for ion pairing of Meisenheimer complexes with counterions

Sekiguchi, Shizen, Aizawa, Toshiaki, Aoki, Masaru

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 567 KB

english, 1981

10

Aromatic nucleophilic substitution. 19. Kinetics of the formation and decomposition of 1,1-disubstituted naphthalene Meisenheimer complexes in the reactions of 1-methoxy-2-cyano-4-nitronaphthalene with various metal methoxides in methanol. Evidence for absence of ion pairing of Meisenheimer complexes with counterions

Sekiguchi, Shizen, Aizawa, Toshiaki, Tomoto, Noboru

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 420 KB

english, 1984

11

Aromatic nucleophilic substitution. 12. Electronic structures of 1,1-disubstituted 2-X-4-Y-naphthalene Meisenheimer complexes

Sekiguchi, Shizen, Hirose, Tetsuo, Tsutsumi, Kinzo, Aizawa, Toshiaki, Shizuka, Haruo

Journal:

Journal of Organic Chemistry

Year:

1979

Language:

english

File:

PDF, 598 KB

english, 1979

12

Aromatic nucleophilic substitution. 21. Electronic structures of 1,3-dinitro-4-phenanthryl methyl ether and the 4,4-disubstituted 1,3-dinitrophenanthrene Meisenheimer complex

Sekiguchi, Shizen, Hirai, Motohiko, Ota, Etsuro, Hiratsuka, Hiroshi, Mori, Yuji, Tanaka, Shigeyuki

Journal:

Journal of Organic Chemistry

Year:

1985

Language:

english

File:

PDF, 494 KB

english, 1985

13

Aromatic nucleophilic substitution. 20. Kinetics of the reactions of 2-(acetylamino)ethyl 2,6-dinitrophenyl ether and N-acetyl-N-(2-hydroxyethyl)-2,6-dinitroaniline with potassium methoxide in dimethyl sulfoxide-methanol

Sekiguchi, Shizen, Hirai, Motohiko, Tomoto, Noboru

Journal:

Journal of Organic Chemistry

Year:

1984

Language:

english

File:

PDF, 431 KB

english, 1984

14

Alkaline hydrolysis of N-ethyl-2,4-dinitroacetanilide

Skarzewski, Jacek, Aoki, Masaru, Sekiguchi, Shizen

Journal:

Journal of Organic Chemistry

Year:

1982

Language:

english

File:

PDF, 422 KB

english, 1982

15

Aromatic nucleophilic substitution. V. Confirmation of the spiro Janovsky complex in base-catalyzed rearrangement of N-acetyl-.beta.-aminoethyl-2,4-dinitrophenyl ether with simultaneous migration of acetyl group

Sekiguchi, Shizen, Okada, Keiji

Journal:

Journal of Organic Chemistry

Year:

1975

Language:

english

File:

PDF, 588 KB

english, 1975

16

Aromatic nucleophilic substitution. 27. Aromatic nucleophilic substitution reactions of 1-(alkylamino)-2,4-dinitronaphthalenes with various primary amines in dimethyl sulfoxide

Sekiguchi, Shizen, Suzuki, Tohru, Hirosawa, Yukitoshi, Ishikura, Hiromi

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 755 KB

english, 1990

17

Kinetics of the reactions of nitro-substituted N-alkylacetanilides with sodium methoxide in methanol

Sekiguchi, Shizen, Miyazaki, Chika, Motegi, Masayuki

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1988

Language:

english

File:

PDF, 603 KB

english, 1988

18

Alkaline hydrolyses of N-alkyl-2,4-dinitroacetanilides

Kijima, Atsushi, Sekiguchi, Shizen

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1987

Language:

english

File:

PDF, 591 KB

english, 1987

19

Aromatic nucleophilic substitution reactions of 1-dialkylamino-2,4-dinitronaphthalenes with various amines in dimethyl sulphoxide. Part 26.

Sekiguchi, Shizen, Suzuki, Thoru, Hosokawa, Masaru

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1989

Language:

english

File:

PDF, 676 KB

english, 1989

20

Kinetic studies of the reaction of 1-dialkylamino-2,4-dinitronaphthalenes with butylamine in dimethyl sulfoxide

Sekiguchi, Shizen, Hosokawa, Masaru, Suzuki, Tohru, Sato, Mitsuo

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1993

Language:

english

File:

PDF, 834 KB

english, 1993

21

Aromatic nucleophilic substitution reactions of 1-dialkylamino-2,4-dinitronaphthalene with primary or secondary amines in organic solvents: facile amine?amine exchange

Sekiguchi, Shizen, Horie, Tohru, Suzuki, Tohru

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1988

Language:

english

File:

PDF, 229 KB

english, 1988

22

Ring-opening Reactions of Cyclic Ethers. VIII. Acid-catalyzed Ring-opening Reactions of Isobutylene Oxide in Alcohols

Sekiguchi, Shizen, Matsui, Kohji, Yasuraoka, Yoshihiro

Journal:

Bulletin of the Chemical Society of Japan

Year:

1970

File:

PDF, 443 KB

1970

23

Derivatives of Ditriazinylamine

Fukushima, Yoshiaki, Nohara, Noboru, Hashida, Y\={o}ji, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1971

File:

PDF, 693 KB

1971

24

Aromatic Nitration. III. Competitive Nitration of Toluene and Benzene in Carbon Tetrachloride

Hirose, Akiko, Matsui, Kohji, Sekiguchi, Shizen

Journal:

Bulletin of the Chemical Society of Japan

Year:

1972

File:

PDF, 187 KB

1972

25

The Diazo-coupling Reaction of Phenol in Organic Solvents. The Isomer Ratio

Yamada, Hideo, Hashida, Y\={o}ji, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 350 KB

1974

26

Aromatic Nulceophilic Substitution. I. Preparation of Spiro Meisenheimer Complexes of Arenes

Sekiguchi, Shizen, Shiojima, Takeo

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 318 KB

1973

27

Effects of Substituents on p K a and τ OH Values of Hydroxyaryl-1,3,5-triazines; σ P− Values of 1,3,5-Triazinyl Groups.

Ohto, Yukio, Hashida, Y\={o}ji, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 343 KB

1974

28

N 2 →N 1 Migration of s -Triazinyl Group in the Reaction of N -Acetyl- N 2 -( s -triazinyl)alkylenediamines

Uno, Seiichi, Nakamura, Kenji, Inoue, Yukio, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 375 KB

1973

29

Aromatic Nitration. II. Competitive Nitration of Toluene and Benzene in Organic Solvents

Sekiguchi, Shizen, Hirose, Akiko, Kato, Sadanobu, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 325 KB

1973

30

Photochemical Reaction of Halo-1,3,5-triazines: Photo-triazinylation

Yamada, Hideo, Shizuka, Haruo, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 340 KB

1974

31

Ring-opening Reactions of Cyclic Ethers. IX. Molecular Weight Distribution of Adducts in the Acid-catalyzed Reactions of Epichlorohydrin with Alcohols

Sekiguchi, Shizen, Hasegawa, Yasushi, Nakamura, Kenji, Matsui, Kohji, Nagahama, Kensuke

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 612 KB

1976

32

Aromatic Nucleophilic Substitution. X. Confirmation of the Anionic σ Complex in the Base-catalyzed Smiles Rearrangement of 2-(Acetylamino)ethyl 2,4-Dinitrophenyl Ether in Dimethyl Sulfoxide

Okada, Keiji, Matsui, Kohji, Sekiguchi, Shizen

Journal:

Bulletin of the Chemical Society of Japan

Year:

1978

File:

PDF, 598 KB

1978

33

Aromatic Nucleophilic Substitution. XVII. Formation and Decomposition of Anionic σ Complexes in Reactions of 2-Acetylaminoethyl 2,6-Dinitrophenyl Ether and N -Acetyl- N -(2-hydroxyethyl)-2,6-dinitroaniline with Potassium t -Butoxide

Sekiguchi, Shizen, Hoshino, Ohtomo, Hirai, Motohiko, Okada, Keiji, Tomoto, Noboru

Journal:

Bulletin of the Chemical Society of Japan

Year:

1983

File:

PDF, 382 KB

1983

34

Reactions of Azoxybenzene with Dichlorocarbene in the Phase-transfer-catalyzed System

Sekiguchi, Shizen, Fujiu, Tomohisa

Journal:

Bulletin of the Chemical Society of Japan

Year:

1984

File:

PDF, 292 KB

1984

35

Reaction of Azobenzene with Dichlorocarbene in Phase-transfer-catalyzed System

Fujiu, Tomohisa, Izumi, Kazuo, Sekiguchi, Shizen

Journal:

Bulletin of the Chemical Society of Japan

Year:

1985

File:

PDF, 326 KB

1985

36

Phase-Transfer-Catalyzed Azo Coupling Reactions in Two-Phase Systems

Hashida, Yoji, Kubota, Kazuhiro, Sekiguchi, Shizen

Journal:

Bulletin of the Chemical Society of Japan

Year:

1988

File:

PDF, 649 KB

1988

37

Stopped-Flow Kinetics of Reactions of 1-Ethoxy-2,4-dinitronaphthalene with Pyrrolidine and Piperidine in Dimethyl Sulfoxide Solution

Fujinuma, Hajime, Hosokawa, Masaru, Suzuki, Tohru, Sato, Mitsuo, Sekiguchi, Shizen

Journal:

Bulletin of the Chemical Society of Japan

Year:

1989

File:

PDF, 897 KB

1989

38

A New Synthesis of Tris(triphenylsilyl) Vanadate

Sekiguchi, Shizen, Kurihara, Akira

Journal:

Bulletin of the Chemical Society of Japan

Year:

1969

Language:

english

File:

PDF, 2.06 MB

english, 1969

39

Studies of Azo Colors. XI. The Diazo-coupling Reaction of Pyrroles

Mitsumura, Kazuo, Hashida, Y\={o}ji, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 415 KB

1973

40

The Photo-Fries Rearrangement of Aryloxy-1,3,5-triazines

Ohto, Yukio, Shizuka, Haruo, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 989 KB

1974

41

Rearrangement of 2-Aryloxybenzazoles

Nagai, Takeshi, Fukushima, Yoshiaki, Kuroda, Toshio, Shimizu, Hiroshi, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 404 KB

1973

42

The Effect of Acylamino Groups in Diazo-coupling Reactions

Hashida, Yoji, Mitsumura, Kazuo, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1973

File:

PDF, 509 KB

1973

43

Solvent Effects in Diazo-coupling Reactions

Hashida, Y\={o}ji, Ishida, Hiroki, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 591 KB

1974

44

The Thermal Reactions of Azido-1,3,5-triazines

Kayama, Ryuichi, Hasunuma, Shigeru, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 906 KB

1974

45

Aromatic Nucleophilic Substitution. III. Meisenheimer Complexes in the Reactions of 1-( N , N -Dialkylamino)-2,4-dinitronaphthalenes with Sodium Methoxide

Sekiguchi, Shizen, Shinozaki, Katsuo, Hirose, Tetsuo, Matsui, Kohji, Sekine, Kiyoshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1974

File:

PDF, 444 KB

1974

46

Photochemical Reactions of Azido-1,3,5-triazines with Hydrocarbons and Ketones

Kayama, Ryuichi, Shizuka, Haruo, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 707 KB

1975

47

Aromatic Nucleophilic Substitution. VII. Electronic Structure of 1,1-Disubstituted 2,4-Dinitronaphthalene Meisenheimer Complexes

Sekiguchi, Shizen, Tsutsumi, Kinzo, Shizuka, Haruo, Matsui, Kohji, Itagaki, Takeshi

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 510 KB

1976

48

The Reactions of 2-Substituted 4-Chloro-6-(2-hydroxy-1-naphthyl)-1,3,5-triazines with Several Nucleophiles

Tsunoda, Shigeo, Hashida, Yoji, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 977 KB

1976

49

Aromatic Nucleophilic Substitution. VI. 1 H Nuclear Magnetic Resonance Evidence for the Rearrangement of 1,3-to 1,1-Anionic σ Complex in the Reactions of 1-Dialkylamino-2,4-dinitronaphthalenes with Potassium Alkoxides

Sekiguchi, Shizen, Fujisawa, Shigeru, Ando, Yumiko

Journal:

Bulletin of the Chemical Society of Japan

Year:

1976

File:

PDF, 258 KB

1976

50

Tris(benzimidazo)-1,3,5-triazine from the Thermolysis of 2-Aryloxybenzimidazoles

Ishida, Sadahiro, Fukushima, Yoshiaki, Sekiguchi, Shizen, Matsui, Kohji

Journal:

Bulletin of the Chemical Society of Japan

Year:

1975

File:

PDF, 623 KB

1975