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1

Reduction of gem-dibromides with diethyl phosphite

Hirao, Toshikazu, Masunaga, Toshio, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1981

Language:

english

File:

PDF, 347 KB

english, 1981

2

Novel reduction of α-bromo-α,β-unsaturated ketones. Selective synthesis of β,γ-unsaturated ketones

Toshikazu Hirao, Toshio Masunaga, Ken-ichiro Hayashi, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 121 KB

english, 1983

3

The reaction of isocyanate with phthalaldehyde

Iwao Yamamoto, Yoshizo Tabo, Haruo Gotoh, Toru Minami, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1971

Language:

english

File:

PDF, 108 KB

english, 1971

4

A novel system consisting of low valent vanadium and diethyl phosphonate or triethyl phosphite for the highly stereoselective reduction of gem-dibromocyclopropanes

Hirao, Toshikazu, Hirano, Keisuke, Hasegawa, Takeya, Ohshiro, Yoshiki, Ikeda, Isao

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 227 KB

english, 1993

5

Chemistry of a cumulated double-bond compound. X. Reactions of isocyanates and carbodiimide with acetylenic compounds

Ohshiro, Yoshiki., Kinugasa, Kazumasa., Minami, Toru., Agawa, Toshio.

Journal:

Journal of Organic Chemistry

Year:

1970

Language:

english

File:

PDF, 663 KB

english, 1970

6

Stereoselective synthesis of (.+-.)-11-hydroxy-trans-8-dodecenoic acid from 10-undecenoic acid

Hirao, Toshikazu, Hayashi, Kenichiro, Fujihara, Yoshimi, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1985

Language:

english

File:

PDF, 425 KB

english, 1985

7

Chemistry of cumulated double-bond compounds. XII. Reaction of phosphonium ylides with benzoyl isocyanate

Ohshiro, Yoshiki, Mori, Yoshikazu, Komatsu, Mitsuo, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1971

Language:

english

File:

PDF, 285 KB

english, 1971

8

Synthesis and chemical properties of .alpha.-alkyl(aryl)thiovinyl isocyanates

Takaki, Ken, Okamura, Aiichiro, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1978

Language:

english

File:

PDF, 512 KB

english, 1978

9

Reaction of oxaziridine with heterocumulene. A ketene, isocyanates, and carbodiimide

Komatsu, Mitsuo, Ohshiro, Yoshiki, Hotta, Hiroshi, Sato, Masaaki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1974

Language:

english

File:

PDF, 1.09 MB

english, 1974

10

Stereoselective synthesis of .beta.,.gamma.-unsaturated esters and lactones. Application to pyrenophorol synthesis

Hirao, Toshikazu, Fujihara, Yoshimi, Kurokawa, Ken, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1986

Language:

english

File:

PDF, 412 KB

english, 1986

11

Reaction of diaziridines with diphenylketene and isocyanates

Komatsu, Mitsuo, Nishikaze, Nobuo, Sakamoto, Makoto, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Journal of Organic Chemistry

Year:

1974

Language:

english

File:

PDF, 1.04 MB

english, 1974

12

A Novel Synthesis of Dialkyl Arenephosphonates

Hirao, Toshikazu, Masunaga, Toshio, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Year:

1981

File:

PDF, 102 KB

1981

13

Reaction of vinyl sulphone with ?-metallated nitriles

Agawa, Toshio, Yoshida, Yasuo, Komatsu, Mitsuo, Ohshiro, Yoshiki

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1981

Language:

english

File:

PDF, 544 KB

english, 1981

14

Cycloaddition of Vinyl Isocyanate to 1,3-Dipoles

Ohshiro, Yoshiki, Komatsu, Mitsuo, Okamura, Aiichiro, Agawa, Toshio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1984

File:

PDF, 233 KB

1984

15

Reduction of Organic Halides with Diethyl Phosphonate and Triethylamine

Hirao, Toshikazu, Kohno, Shuichiro, Ohshiro, Yoshiki, Agawa, Toshio

Journal:

Bulletin of the Chemical Society of Japan

Year:

1983

File:

PDF, 245 KB

1983

16

Catalytic Oxidation of Amines Utilizing Binuclear Copper(II) Complex of 7-Azaindole

Minakata, Satoshi, Ohshima, Yasuhito, Takemiya, Akihiro, Ryu, Ilhyong, Komatsu, Mitsuo, Ohshiro, Yoshiki

Journal:

Chemistry Letters

Year:

1997

File:

PDF, 297 KB

1997

17

Reduction of gem-dibromocyclopropanes with dialkyl phosphonate and amine.

HIRAO, Toshikazu, MASUNAGA, Toshio, HAYASHI, Ken-ichiro, OHSHIRO, Yoshiki

Journal:

NIPPON KAGAKU KAISHI

Year:

1987

File:

PDF, 622 KB

1987

18

Trimethylsilyl-methylisothiocyanat, ein Isothiocyanatomethanid-Äquivalent

Prof. Dr. Toshikazu Hirao, Dr. Atsushi Yamada, Prof. Dr. Yoshiki Ohshiro, Prof. Dr. Toshio Agawa

Journal:

Angewandte Chemie

Year:

1981

File:

PDF, 220 KB

1981

19

Ein neuer Weg zum Aufbau von Pyridin-Derivaten: Reaktion von N-Metethylen-tert-butylamin (N-tert-Butylmethanimin) mit Enaminen

Dr. Mitsuo Komatsu, Hideo Ohgishi, Shigeki Takamatsu, Prof. Dr. Yoshiki Ohshiro, Prof. Dr. Toshio Agawa

Journal:

Angewandte Chemie

Year:

1982

Language:

german

File:

PDF, 100 KB

german, 1982

20

Trimethylsilylmethyl Isothiocyanate, An Isothiocyanatomethanide Equivalent

Dr. Toshikazu Hirao, Atsushi Yamada, Prof. Dr. Yoshiki Ohshiro, Prof. Dr. Toshio Agawa

Journal:

Angewandte Chemie International Edition

Year:

1981

Language:

english

File:

PDF, 234 KB

english, 1981

21

A New Route to Pyridine Derivatives: Reaction of N-Methylene-tert-butylamine with Enamine

Dr. Mistsuo Komatsu, Hideo Ohgishi, Shigeki Takamatsu, Prof. Dr. Yoshiki Ohshiro, Prof. Dr. Toshio Agawa

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 200 KB

english, 1982

22

A New Method for the Synthesis of the Pyridine Ring: Reaction of N-Methylene-tert-butylamine (N-tert-Butyl-methanimine) with Enamines

Dr. Mitsuo Komatsu, Hideo Ohgishi, Shigeki Takamatsu, Prof. Dr. Yoshiki Ohshiro, Prof. Dr. Toshio Agawa

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 155 KB

english, 1982

23

1-Alkenyl- und 1-Cycloalkenylphosphonium-Salze durch Selenenylierung von Phosphor-Yliden und anschließende Seleninsäure-Eliminierung

Ghassan Saleh, Toru Minami, Yoshiki Ohshiro, Toshio Agawa

Journal:

European Journal of Inorganic Chemistry

Year:

1979

File:

PDF, 416 KB

1979

24

ChemInform Abstract: Novel Synthesis of Oxadiazinone and Oxadiazepinone Derivatives by Ring Expansion of Diaziridinone.

Mitsuo Komatsu, Norio Sakai, Akira Hakotani, Satoshi Minakata, Yoshiki Ohshiro

Journal:

Year:

2000

File:

PDF, 33 KB

2000

25

Oxovanadium-induced oxidative desilylation for the selective synthesis of 1,4-diketones

Takashi Fujii, Toshikazu Hirao, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 208 KB

english, 1992

26

Selective cross coupling via oxovanadium(V)-induced oxidative desilylation of benzylic silanes

Toshikazu Hirao, Takashi Fujii, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 182 KB

english, 1994

27

Mechanism of amine oxidation by coenzyme PQQ

Yoshiki Ohshiro, Shinobu Itoh

Journal:

Bioorganic Chemistry

Year:

1991

Language:

english

File:

PDF, 1.17 MB

english, 1991

28

Modeling of metalloquinoprotein functions

Shinobu Itoh, Xin Huang, Hiroshi Murao, Mitsuo Komatsu, Yoshiki Ohshiro

Journal:

Journal of Inorganic Biochemistry

Year:

1993

Language:

english

File:

PDF, 80 KB

english, 1993

29

Reactions of diphenylcyclopropenone with ketenes in the presence of nickel tetracarbonyl

Akio Baba, Yoshiki Ohshiro, Toshio Agawa

Journal:

Journal of Organometallic Chemistry

Year:

1976

Language:

english

File:

PDF, 591 KB

english, 1976

30

Reactions of phenylbromoacetylene with heterocumulenes in the presence of iron pentacarbonyl

Akio Baba, Yoshiki Ohshiro, Toshio Agawa

Journal:

Journal of Organometallic Chemistry

Year:

1975

Language:

english

File:

PDF, 538 KB

english, 1975

31

Versatile desilylative cross-coupling of silyl enol ethers and allylic silanes via oxovanadium-induced chemoselective one-electron oxidation

Toshikazu Hirao, Takashi Fujii, Yoshiki Ohshiro

Journal:

Year:

1994

Language:

english

File:

PDF, 468 KB

english, 1994

32

Oxovanadium-induced oxidative desilylation of allylic and benzylic silanes

Takashi Fujii, Toshikazu Hirao, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 232 KB

english, 1993

33

Novel allylic oxidation of conjugate ketones with VO(OR)Cl2

Toshikazu Hirao, Satoshi Mikami, Makoto Mori, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 250 KB

english, 1991

34

A novel system for oxygenation. Effect of multidentate podand ligand in transition metal catalyzed epoxidation with molecular oxygen

Toshikazu Hirao, Toshiyuki Moriuchi, Satoshi Mikami, Isao Ikeda, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1993

Language:

english

File:

PDF, 243 KB

english, 1993

35

Micelle enhanced oxidation of amines by coenzyme PQQ

Yoshiki Ohshiro, Shinobu Itoh, Ken Kurokawa, Jinichiro Kato, Toshikazu Hirao, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1983

Language:

english

File:

PDF, 207 KB

english, 1983

36

Thermal rearrangement of N-silymethylated azadienes to N-silylated 2-pyrrolines

Mitsuru Ohno, Hiroyuki Miyata, Mitsuo Komatsu, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 188 KB

english, 1991

37

Novel generation of azomethine ylide from N-(α-silylbenzyl)amide by silicon shift: an equivalent of nitrile ylide

Mitsuru Ohno, Mitsuo Komatsu, Hiroyuki Miyata, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 262 KB

english, 1991

38

Reaction of enamine with oxaziridine or schiff base facile preparation of substituted pyridine

Mitsuo Komatsu, Hideo Ohgishi, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1976

Language:

english

File:

PDF, 223 KB

english, 1976

39

Novel synthesis of sulfur-containing bicyclic β-lactams (thiaisoalkanams) using sulfur dichloride as a sulfur transfer reagent

Mitsuo Komatsu, Hirosumi Ogawa, Masaaki Mohri, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 276 KB

english, 1990

40

VO(OEt)Cl2-induced oxidative deamination

Toshikazu Hirao, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 140 KB

english, 1990

41

Mediation of orthoquinones in the MnTPPCl-catalyzed epoxidation with hydrogen peroxide

Toshikazu Hirao, Mitsuru Ohno, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 214 KB

english, 1990

42

Ring enlargement of diaziridinone: pyrazoline-forming reaction with α-metalated nitrile

Mitsuo Komatsu, Toyokazu Yagii, Yoshiki Ohshiro

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 285 KB

english, 1990

43

Novel synthesis of heterocyclic spirans by tandem cycloaddition to sulfur-containing heterocumulenes

Yoshiki Ohshiro, Hitoshi Nanimoto, Hiroyuki Tanaka, Mitsuo Komatsu, Toshio Agawa, Noritake Yasuoka, Yasushi Kai, Nobutami Kasai

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 260 KB

english, 1985

44

Biomimetic oxidation of alcohols by coenzyme PQQ-trimethyl ester

Shinobu Itoh, Minae Mure, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1985

Language:

english

File:

PDF, 213 KB

english, 1985

45

Oxidative decarboxylation of α-amino acids with coenzyme PQQ

Shinobu Itoh, Nobuyuki Kato, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 216 KB

english, 1984

46

Synthesis of vinylsilanes by palladium-catalyzed reaction of trimethylsilylallyl acetates with nucleophiles

Toshikazu Hirao, Jun Enda, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 109 KB

english, 1981

47

A novel carbon-carbon bond formation by the Lewis acid catalyzed reaction of β-styrylsilane with acetal

Toshikazu Hirao, Shuichiro Kohno, Jun Enda, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 202 KB

english, 1981

48

New synthesis of pyridone derivative from 1-azadiene

Mitsuo Komatsu, Shinji Yamamoto, Yoshiki Ohshiro, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1981

Language:

english

File:

PDF, 230 KB

english, 1981

49

The chemistry of cumulated double bond compounds VII the reaction of diphenylketene with oxaziranes

Yoshiki Ohshiro, Toru Minami, Kiyoshi Yasuda, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 121 KB

english, 1969

50

The chemistry of cumulated double bond compound VI the reaction of diphenylketene with thiiranes

Yoshiki Ohshiro, Toru Minami, Kiyoshi Yasuda, Toshio Agawa

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 111 KB

english, 1969