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Dive into the research topics where Ryonosuke Yoshida is active.

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Featured researches published by Ryonosuke Yoshida.


Tetrahedron Letters | 1993

A practical preparation of (Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(methoxyimino)acetic acid

Kuniaki Tatsuta; Shozo Miura; Hiroki Gunji; Tetsuro Tamai; Ryonosuke Yoshida; Takashi Inagaki

Abstract A Z -isomer of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(methoxyimino)acetic acid, which is the common acyl moiety of clinically useful cephalosporins, has been prepared from the aminoisoxazols through the thiadiazol-acetate in two pathways.


Bulletin of the Chemical Society of Japan | 1962

On the Absolute Configuration of l -Carnitine (Vitamin B T )

Takeo Kaneko; Ryonosuke Yoshida


Bulletin of the Chemical Society of Japan | 1969

The Synthetic Intermediate of Pyridoxine. I. A Novel Synthesis of 5-Alkoxy-2-carboxy-4-methyloxazole

Itsutoshi Maeda; Masahiro Takehara; Kazushi Togo; Soichiro Asai; Ryonosuke Yoshida


Bulletin of the Chemical Society of Japan | 1971

The Synthetic Intermediate of Pyridoxine. II. The Thermal Cyclization of Ethyl α-Isocyanopropionate to 5-Ethoxy-4-methyloxazole

Itsutoshi Maeda; Kazushi Togo; Ryonosuke Yoshida


Bulletin of the Chemical Society of Japan | 1994

PRACTICAL PREPARATION OF (Z)-2-(5-AMINO-1,2,4-THIADIAZOL-3-YL)-2-METHOXYIMINOACETIC ACID : A SIDE-CHAIN OF THE FOURTH GENERATION OF CEPHEM ANTIBIOTICS

Kuniaki Tatsuta; Shozo Miura; Hiroki Gunji; Tetsuro Tamai; Ryonosuke Yoshida; Takashi Inagaki; Yasuyuki Kurita


ChemInform | 1979

Liquid crystals composed of N-acylamino acids. I. Circular dichroism and selective light transmission in cholesteric liquid crystals composed of N-acylamino acids and organic solvents

Kazutami Sakamoto; Ryonosuke Yoshida; Masahiro Hatano; Taro Tachibana


Bulletin of the Chemical Society of Japan | 1968

The Reaction Products of the Hydroformylation of Acrolein Acetals and Acetates

Itsutoshi Maeda; Ryonosuke Yoshida


Archive | 1996

Process for preparing 1,2,4-thiadiazole derivatives

Kuniaki Tatsuta; Yasuyuki Kurita; Takashi Inagaki; Ryonosuke Yoshida


Journal of Japan Oil Chemists' Society | 1977

Surfactants Derived from Amino Acids. VI.:Synthesis of N ε -Acyl Lysine and Surface Activities of Its Ethylene Oxide Adducts

Kazutami Sakamoto; Koichi Takizawa; Shinichi Inazuka; Ryonosuke Yoshida


Journal of Japan Oil Chemists' Society | 1976

Surfactants Derived from Amino acids. II.:Surface Activities of Amino Acid Ester Hydrochlorides

Ryonosuke Yoshida; Masahiro Takehara; Kazutami Sakamoto

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Kazutami Sakamoto

Tokyo University of Science

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Takeo Kaneko

Yokohama National University

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