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Dive into the research topics where Takeo Kobayashi is active.

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Featured researches published by Takeo Kobayashi.


Journal of The Chemical Society, Chemical Communications | 1980

A new method for the carbon-extension reactions of azetidin-2-ones at the 4-position

Takeo Kobayashi; Noboru Ishida; Tetsuo Hiraoka

High yields of 4-alkyl-, 4-allyl-, 4-vinyl-, or 4-ethynyl-azetidin-2-ones are obtained by treating 4-sulphonylazetidin-2-ones with either lithium organocuprates or Grignard reagents, but yields from 4-acetoxyazetidin-2-one with Grignard reagents are low.


Bulletin of the Chemical Society of Japan | 1975

Reactions of Sulfenes with Schiff Bases. The Stereochemistry and Thermal Fragmentation of Thiazetidine 1,1-Dioxide

Tetsuo Hiraoka; Takeo Kobayashi


Journal of the American Chemical Society | 1977

A novel synthetic rout to 7 alpha-methoxycephalosporins.

Takeo Kobayashi; Kimio Iino; Tetsuo Hiraoka


Chemical & Pharmaceutical Bulletin | 1979

A Novel Synthetic Route to 7α-Methoxycephalosporins

Takeo Kobayashi; Tetsuo Hiraoka


Chemical & Pharmaceutical Bulletin | 1979

A Synthesis of Cephamycins from Cephalosporins and Related Reactions

Takeo Kobayashi; Kimio Iino; Tetsuo Hiraoka


Archive | 1981

7-Oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid derivatives, their use and preparation

Tetsuo Hiraoka; Takeo Kobayashi; Noboru Ishida; Shinichi Sugawara


Bulletin of the Chemical Society of Japan | 1979

A Synthesis of 7α-Methoxycephalosporins through Selenenamides

Takeo Kobayashi; Tetsuo Hiraoka


ChemInform | 1977

RECENT ADVANCES IN THE SYNTHESIS OF 7-METHOXYCEPHALOSPORINS (CEPHAMYCINS)

Tetsuo Hiraoka; Yukio Sugimura; Tokio Saito; Takeo Kobayashi


ChemInform | 1975

REACTIONS OF SULFENES WITH SCHIFF BASES, THE STEREOCHEMISTRY AND THERMAL FRAGMENTATION OF THIAZETIDINE 1,1‐DIOXIDE

Tetsuo Hiraoka; Takeo Kobayashi


Archive | 1977

Process for the preparation of β-lactam compounds

Tetsuo Hiraoka; Takeo Kobayashi

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