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Susumu Irisawa

Tottori University

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Publication

Featured researches published by Susumu Irisawa.

Tetrahedron | 1998

α-Sulfenylalkylation of carbonyl compounds at the α-position via magnesium amide-induced enamine sulfenylalkylation with sulfoxides

Kazuhiro Kobayashi; Masataka Kawakita; Susumu Irisawa; Hideki Akamatsu; Kouji Sakashita; Osamu Morikawa; Hisatoshi Konishi

Abstract The reactions of enamines with sulfoxides bearing α-hydrogens in the presence of a magnesium amide, generated in situ from the reaction of ethylmagnesium bromide with diisopropylamine, afforded the corresponding α-sulfenylalkylated ketones and aldehydes in isolated yields ranging from 39 to 76%. This procedure was successfully extended to the bis(methylthio)methylation with methyl (methylthio)methyl sulfoxide.

Chemistry Letters | 1998

Synthesis of Pyrrolo[1,2-a]quinoxaline and Its 4-(1-Hydroxyalkyl) Derivatives by Lewis Acid-Catalyzed Reactions of 1-(2-Isocyanophenyl)pyrrole

Kazuhiro Kobayashi; Takeshi Matoba; Susumu Irisawa; Takashi Matsumoto; Osamu Morikawa; Hisatoshi Konishi

Bulletin of the Chemical Society of Japan | 2001

Synthesis of Pyrrolo[1,2-a]quinoxaline Derivatives by Lewis Acid-Catalyzed Reactions of 1-(2-Isocyanophenyl)pyrroles.

Kazuhiro Kobayashi; Susumu Irisawa; Takeshi Matoba; Takashi Matsumoto; Keiichi Yoneda; Osamu Morikawa; Hisatoshi Konishi

Heterocycles | 2001

Synthesis of 4-(1-Dialkylaminoalkyl)pyrrolo[1,2-a]quinoxalines

Kazuhiro Kobayashi; Takashi Matsumoto; Susumu Irisawa; Keiichi Yoneda; Osamu Morikawa; Hisatoshi Konishi

Journal of Organic Chemistry | 1999

INTRAMOLECULAR CYCLIZATIONS OF O-ACYLBENZYLLITHIUMS. FORMATION OF BENZOCYCLOBUTEN-1-OL DERIVATIVES AND THEIR THERMAL ISOMERIZATION

Kazuhiro Kobayashi; Masataka Kawakita; Masaharu Uchida; Ko-ichi Nishimura; Tohru Mannami; Susumu Irisawa; Osamu Morikawa; Hisatoshi Konishi

Journal of Organic Chemistry | 1997

Reactions of Vinyl Sulfoxides with Magnesium Amides. One-Pot Synthesis of Symmetrical and Unsymmetrical beta-(Dialkylamino) Dithioacetals.

Masataka Kawakita; Kouichi Yokota; Hideki Akamatsu; Susumu Irisawa; Osamu Morikawa; Hisatoshi Konishi; Kazuhiro Kobayashi

Bulletin of the Chemical Society of Japan | 2002

Magnesium Amide-Induced Pummerer-Type Reactions of Cyclopropyl Sulfoxides. Synthesis of Cyclopropanone Dithioacetals.

Kazuhiro Kobayashi; Masatoshi Horita; Susumu Irisawa; Akihiro Matsunaga; Osamu Morikawa; Hisatoshi Konishi

Bulletin of the Chemical Society of Japan | 2000

Direct Synthesis of N-Hydroxy β-Amino Acid Esters from Carboxylic Esters and Nitrones

Kazuhiro Kobayashi; Takeshi Matoba; Susumu Irisawa; Atsushi Takanohashi; Miyuki Tanmatsu; Osamu Morikawa; Hisatoshi Konishi

Chemistry Letters | 1997

A NEW SYNTHESIS OF (E)-4-ALKOXY-2-FORMYLAMINO-3-BUTENOIC ACID DERIVATIVES UTILIZING 3-ALKOXY-1-ISOCYANO-1-LITHIOPROPENES

Kazuhiro Kobayashi; Hideki Akamatsu; Susumu Irisawa; Masaki Takahashi; Osamu Morikawa; Hisatoshi Konishi

Bulletin of the Chemical Society of Japan | 1999

A Convenient Synthesis of (E)-4-Alkoxy-2-amino-3-butenoic Acid Derivatives.

Kazuhiro Kobayashi; Susumu Irisawa; Hideki Akamatsu; Masaki Takahashi; Taichi Kitamura; Miyuki Tanmatsu; Osamu Morikawa; Hisatoshi Konishi

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Hisatoshi Konishi

Tottori University

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Kazuhiro Kobayashi

Tottori University

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Osamu Morikawa

Tottori University

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Hideki Akamatsu

Tottori University

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Masataka Kawakita

Tottori University

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Takashi Matsumoto

Tottori University

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Takeshi Matoba

Tottori University

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Akihiro Matsunaga

Tottori University

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Keiichi Yoneda

Tottori University

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Masaki Takahashi

Tottori University

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