OHSAWA, AKIO: search on Z-Library

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1

Thermal decomposition of 2H-(1,2,4)oxadiazolo(2,3-a)pyridine-2-thione and 2H-(1,2,4)oxadiazolo(2,3-b)pyridazine-2-thiones: Generation of aza-heteroaromatic .ALPHA.-isocyanates and their utilization for the synthesis of unsymmetrical disubstituted ureas.

OHSAWA, AKIO, ARAI, HEIHACHIRO, IGETA, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 729 KB

1980

2

Derivation of oxahomocubanes from dewar thiophene

Yoshiro Kobayashi, Itsumaro Kumadaki, Akio Ohsawa, Yasuo Sekine

Journal:

Tetrahedron Letters

Year:

1974

Language:

english

File:

PDF, 174 KB

english, 1974

3

ChemInform Abstract: Cleavage of S—S Bond by Nitric Oxide (NO) in the Presence of Oxygen: A Disproportionation Reaction of Two Disulfides.

Nozomi Tsutsumi, Takashi Itoh, Akio Ohsawa

Journal:

Year:

2001

File:

PDF, 32 KB

2001

4

The reaction of 3-methylthiazolium derivatives with superoxide

Takashi Itoh, Kazuhiro Nagata, Mamiko Okada, Akio Ohsawa

Journal:

Year:

1993

Language:

english

File:

PDF, 748 KB

english, 1993

5

Synthesis of 2-Arylbenzothiazoles from 2-Aminobenzenethiol and Aryl Aldehydes Catalyzed by Scandium Triflate

Ohsawa, Akio, Itoh, Takashi, Nagata, Kazuhiro, Ishikawa, Hiroyuki

Journal:

Year:

2004

Language:

english

File:

PDF, 44 KB

english, 2004

6

ChemInform Abstract: A Novel Synthesis of Chiral 1-Allyl-1,2,3,4-tetrahydro-β-carboline Employing Allyltributyltin and Chiral Acyl Chlorides.

Takashi Itoh, Yuji Matsuya, Yasuko Enomoto, Kazuhiro Nagata, Michiko Miyazaki, Akio Ohsawa

Journal:

Year:

2000

File:

PDF, 33 KB

2000

7

Synthesis of 2-Arylbenzothiazoles from 2-Aminobenzenethiol and Aryl Aldehydes Catalyzed by Scandium Triflate.

Takashi Itoh, Kazuhiro Nagata, Hiroyuki Ishikawa, Akio Ohsawa

Journal:

Year:

2004

File:

PDF, 78 KB

2004

8

Development on Tightening System of Bolt for Assembling during Machining.

TANABE, Ikuo, OHSAWA, Akio, TRUONG HONG, Minh, HOSHINO, Hideo

Journal:

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C

Year:

2000

File:

PDF, 870 KB

2000

9

Effect of Flowering Phenology on Pollen Flow Distance and the Consequences for Spatial Genetic Structure within a Population of Primula sieboldii (Primulaceae)

Naoko Kitamoto, Saneyoshi Ueno, Akio Takenaka, Yoshihiko Tsumura, Izumi Washitani and Ryo Ohsawa

Journal:

American Journal of Botany

Year:

2006

Language:

english

File:

PDF, 1.36 MB

english, 2006

10

Organic fluorine compounds. Part 32. A 1,3-dipolar cycloaddition reaction of tetrakis(trifluoromethyl)(dewar thiophene) and some reactions of the cycloadducts

Kobayashi, Yoshiro, Ando, Akira, Kawada, Kosuke, Ohsawa, Akio, Kumadaki, Itsumaro

Journal:

Journal of Organic Chemistry

Year:

1980

Language:

english

File:

PDF, 747 KB

english, 1980

11

Studies on organic fluorine compounds. Part 25. Diels?Alder reaction of hexakis(trifluoromethyl)benzvalene

Kobayashi, Yoshiro, Honda, Masamitsu, Hanzawa, Yuji, Kumadaki, Itsumaro, Ohsawa, Akio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1979

Language:

english

File:

PDF, 295 KB

english, 1979

12

Lifestyle-related diseases following the evacuation after the Fukushima Daiichi nuclear power plant accident: a retrospective study of Kawauchi Village with long-term follow-up

Ebner, Daniel K, Ohsawa, Megumi, Igari, Keiko, Harada, Kouji H, Koizumi, Akio

Journal:

Year:

2016

Language:

english

File:

PDF, 744 KB

english, 2016

13

ChemInform Abstract: Asymmetric Addition of Nucleophiles to C-1 Position of Isoquinolines Using (S)-Alanine Derivatives as Chiral Auxiliaries.

Takashi Itoh, Kazuhiro Nagata, Michiko Miyazaki, Keiko Kameoka, Akio Ohsawa

Journal:

Year:

2002

File:

PDF, 35 KB

2002

14

Photochemistry—xiii: The photokomerization of pyridazine 1 ,2-dioxides: formation of 3a,6a-dihydroisoxazolo[5,4-d]isoxazole

Akio Ohsawa, Heihachiro Arai, Hiroshi Igeta, Toshio Akimoto, Akio Tsuji, Yoichi Iitaka

Journal:

Year:

1979

Language:

english

File:

PDF, 411 KB

english, 1979

15

Total Synthesis of e nt -Dihydrocorynantheol by Using a Proline-Catalyzed Asymmetric Addition Reaction

Itoh, Takashi, Yokoya, Masashi, Miyauchi, Keiko, Nagata, Kazuhiro, Ohsawa, Akio

Journal:

Organic Letters

Year:

2006

Language:

english

File:

PDF, 47 KB

english, 2006

16

Trifluoromethylated "Dewar" pyrroles: 5-azabicyclo[2.1.0]pentene-2 ring system

Kobayashi, Yoshiro, Kumadaki, Itsumaro, Ohsawa, Akio, Ando, Akira

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 255 KB

english, 1977

17

Lead tetraacetate oxidation of 1- and 2-amino-5-phenyl[1,2,3]triazolo[4,5-d][1,2,3]triazoles; synthesis of a fused 1,2,3,4-tetrazine

Kaihoh, Terumitsu, Itoh, Takashi, Yamaguchi, Kentaro, Ohsawa, Akio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1991

Language:

english

File:

PDF, 499 KB

english, 1991

18

Composite torsional quartz transducer for shear ultrasonic measurements of aqueous liquids

Mitaku, Shigeki, Ohsawa, Koji, Matoba, Akio, Ohtsuki, Toshiya, Okano, Koji

Journal:

Review of Scientific Instruments

Year:

1979

Language:

english

File:

PDF, 502 KB

english, 1979

19

Studies on Organic Fluorine Compounds. XI. Reaction of Arylfluorophosphoranes with Alcohols

KOBAYASHI, YOSHIRO, KUMADAKI, ITSUMARO, OHSAWA, AKIO, HONDA, MASAMITSU

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1973

Language:

english

File:

PDF, 567 KB

english, 1973

20

Studies on organic fluorine compounds. XIX. Synthesis and reactions of "dewar" thiophene.

KOBAYASHI, YOSHIRO, KUMADAKI, ITSUMARO, OHSAWA, AKIO, SEKINE, YASUO, MOCHIZUKI, HIROYUKI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1975

File:

PDF, 712 KB

1975

21

The ring transformation of 1,2,3-triazines.

ITOH, Takashi, OKADA, Mamiko, NAGATA, Kazuhiro, YAMAGUCHI, Kentaro, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1990

File:

PDF, 649 KB

1990

22

The Reactions of 2-Methyl-1,2,3-triazinium Iodides and Related Compounds.

ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1992

File:

PDF, 668 KB

1992

23

The Reaction of 1-Ethoxycarbonyl-3-methylbenzimidazolium Salts with Electrogenerated and Potassium Superoxide.

ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1994

File:

PDF, 429 KB

1994

24

Reaction of Six-Membered Azaaromatics with Allyltributyltin.

ITOH, Takashi, HASEGAWA, Hiroshi, NAGATA, Kazuhiro, MATSUYA, Yuji, OKADA, Mamiko, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1994

File:

PDF, 972 KB

1994

25

Occurrence of monocytoid B lymphocytes in lymph nodes of patients treated by chemotherapy

Ohnishi, Akio, Ohsawa, Masahiko, Yasunaga, Yutaka, Ijuin, Naokuni, Sawada, Masumi, Yamamoto, Satoru, Aozasa, Katsuyuki

Journal:

Journal of Surgical Oncology

Year:

1996

Language:

english

File:

PDF, 437 KB

english, 1996

26

Addition Reaction of Imidazoles and Thiazoles with Silyl Enol Ethers in the Presence of Alkyl Chloroformate

Takashi Itoh, Michiko Miyazaki, Kazuhiro Nagata, Akio Ohsawa

Journal:

Year:

2000

Language:

english

File:

PDF, 205 KB

english, 2000

27

Isomerization of dewar thiophene catalyzed by phosphorus compounds

Yoshiro Kobayashi, Itsumaro Kumadaki, Akio Ohsawa, Yasuo Sekine

Journal:

Tetrahedron Letters

Year:

1975

Language:

english

File:

PDF, 176 KB

english, 1975

28

Bilateral Facial Nerve Palsy Due to Otitis Media Associated With Myeloperoxidase-Antineutrophil Cytoplasmic Antibody

Mori, Akio, Hira, Ken-ichiro, Hatano, Taku, Okuma, Yasuyuki, Kubo, Shin-ichiro, Hirano, Kazuoki, Ohno, Kana, Noda, Kazuyuki, Suzuki, Hitoshi, Ohsawa, Isao, Hattori, Nobutaka

Journal:

The American Journal of the Medical Sciences

Year:

2013

Language:

english

File:

PDF, 378 KB

english, 2013

29

Synthesis of 1,2,3-triazine N-oxides.

OHSAWA, AKIO, ARAI, HEIHACHIRO, OHNISHI, HIDEFUMI, KAIHOH, TERUMITSU, YAMAGUCHI, KENTARO, IGETA, HIROSHI, IITAKA, YOICHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1986

File:

PDF, 675 KB

1986

30

SAE Technical Paper Series [SAE International SAE International Congress and Exposition - (FEB. 27, 1989)] SAE Technical Paper Series - Development of a Valve Timing Control System

Maekawa, Keiichi, Ohsawa, Namieki, Akasaka, Akio

Year:

1989

Language:

english

File:

PDF, 399 KB

english, 1989

31

ChemInform Abstract: Preparation of Both Enantiomers of 1-Allyl-1,2,3,4-tetrahydro-β-carboline Using Allyltin Reagents and a Chiral Auxiliary Derived from L-Proline.

Takashi Itoh, Yuji Matsuya, Yasuko Enomoto, Akio Ohsawa

Journal:

Year:

2002

File:

PDF, 34 KB

2002

32

Synthesis of 2-Substituted Benzimidazoles by Reaction of o-Phenylenediamine with Aldehydes in the Presence of Sc(OTf)3.

Kazuhiro Nagata, Takashi Itoh, Hiroyuki Ishikawa, Akio Ohsawa

Journal:

Year:

2004

File:

PDF, 114 KB

2004

33

Reaction of imidazoles with allyltributyltin in the presence of chloroformate

Takashi Itoh, Hiroshi Hasegawa, Kazuhiro Nagata, Mamiko Okada, Akio Ohsawa

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 216 KB

english, 1992

34

Vicarious Nucleophilic Substitution of Pyridines and 1,2,3-Triazines via Their Dicyanomethylide Derivatives.

NAGATA, Kazuhiro, ITOH, Takashi, OKADA, Mamiko, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 789 KB

1993

35

A General Method for the Asymmetric Synthesis of Both Enantiomers of 1-Substituted 1,2,3,4-Tetrahydro-β-carbolines Employing Pyroglutamic Acid Derivatives as Chiral Auxiliaries.

Takashi Itoh, Michiko Miyazaki, Sachiko Ikeda, Kazuhiro Nagata, Masashi Yokoya, Yuji Matsuya, Yasuko Enomoto, Akio Ohsawa

Journal:

Year:

2003

File:

PDF, 225 KB

2003

36

Participation of Cathepsins B and D in Apoptosis of PC12 Cells Following Serum Deprivation

Masahiro Shibata, Shiro Kanamori, Kyoko Isahara, Yoshiyuki Ohsawa, Akio Konishi, Satoshi Kametaka, Tsuyoshi Watanabe, Shigeyuki Ebisu, Kazumi Ishido, Eiki Kominami, Yasuo Uchiyama

Journal:

Biochemical and Biophysical Research Communications

Year:

1998

Language:

english

File:

PDF, 341 KB

english, 1998

37

A new entry to the synthesis of 5-substituted 1,2,3-triazines by reaction with silyl enol ethers and ceric ammonium nitrate

Itoh, Takashi, Matsuya, Y�ji, Hasegawa, Hiroshi, Nagata, Kazuhiro, Okada, Mamiko, Ohsawa, Akio

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

1996

Language:

english

File:

PDF, 698 KB

english, 1996

38

Synthesis of 2-Substituted Benzimidazoles by Reaction of o-Phenylenediamine with Aldehydes in the Presence of Sc(OTf)3

Ohsawa, Akio, Nagata, Kazuhiro, Itoh, Takashi, Ishikawa, Hiroyuki

Journal:

Year:

2003

Language:

english

File:

PDF, 329 KB

english, 2003

39

FLASH VACUUM PYROLYSIS OF 2-BENZYLPYRIDINE N -OXIDES. SYNTHESIS OF METHYLPYRIDO[1,2- a ]INDOLES

Ohsawa, Akio, Kawaguchi, Takayuki, Igeta, Hiroshi

Journal:

Chemistry Letters

Year:

1981

Language:

english

File:

PDF, 3.12 MB

english, 1981

40

A Preparative Nitroxyl-radical Coated, Graphite Felt Electrode for the Oxidation of Alcohols

Osa, Tetsuo, Kashiwagi, Yoshitomo, Mukai, Kenji, Ohsawa, Akio, Bobbitt, James M.

Journal:

Chemistry Letters

Year:

1990

File:

PDF, 257 KB

1990

41

Deamination of 2-Aminothiazoles and 3-Amino-1,2,4-triazines with Nitric Oxide in the Presence of a Catalytic Amount of Oxygen.

ITOH, Takashi, MATSUYA, Yuji, NAGATA, Kazuhiro, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1997

File:

PDF, 470 KB

1997

42

Metalation of alkylpyridazines. II. Acylation of metalated methylpyridazines and isomeric character of acylmethylpyridazines.

OHSAWA, AKIO, UEZU, TOMIO, IGETA, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 783 KB

1978

43

Cross-coupling reaction of chloropyridazines and grignard reagents with nickel-phosphine complexes: Alkylation and arylation of pyridazines.

OHSAWA, AKIO, ABE, YOSHIHITO, IGETA, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1978

File:

PDF, 619 KB

1978

44

Inhalation of hydrogen gas reduces infarct size in the rat model of myocardial ischemia–reperfusion injury

Kentaro Hayashida, Motoaki Sano, Ikuroh Ohsawa, Ken Shinmura, Kayoko Tamaki, Kensuke Kimura, Jin Endo, Takaharu Katayama, Akio Kawamura, Shun Kohsaka, Shinji Makino, Shigeo Ohta, Satoshi Ogawa, Keiich

Journal:

Biochemical and Biophysical Research Communications

Year:

2008

Language:

english

File:

PDF, 667 KB

english, 2008

45

Photolysis of pyridazine 1,2-dioxides; formation of the novel 1,4,6,7-dioxadiazocin ring system

Arai, Heihachiro, Ohsawa, Akio, Saiki, Katsunori, Igeta, Hiroshi

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1977

Language:

english

File:

PDF, 147 KB

english, 1977

46

Ethynylation of Azaaromatics with Bis(tributylstannyl)acetylene in the Presence of Alkyl Chloroformate

Itoh, Takashi, Hasegawa, Hiroshi, Nagata, Kazuhiro, Ohsawa, Akio

Journal:

Year:

1994

File:

PDF, 150 KB

1994

47

Synthesis of Pyrido[2,1-a]isoindol-6(2H)-one and Its Analogs

Igeta, Hiroshi, Abe, Yohshihito, Ohsawa, Akio

Journal:

Year:

1982

Language:

english

File:

PDF, 71 KB

english, 1982

48

Flash vacuum pyrolysis of aromatic oximes.

OHSAWA, AKIO, KAWAGUCHI, TAKAYUKI, IGETA, HIROSHI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 596 KB

1982

49

Vicarious nucleophilic substitution of pyridines via their dicyanomethylide derivatives.

ITOH, Takashi, NAGATA, Kazuhiro, OKADA, Mamiko, OHSAWA, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 395 KB

1993

50

Reaction of N-Aminopyridinium Derivatives. V. Syntheses of 1-(N-Methylacetamido) alkylpyridinium Salts and Their Reaction with Cyanide Ion.

Okamoto, Toshihiko, Hirobe, Masaaki, Ohsawa, Akio

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1966

File:

PDF, 692 KB

1966

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