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Featured researches published by Fumio Yoneda.


Journal of The Chemical Society D: Chemical Communications | 1970

A new purine synthesis

Fumio Yoneda; Kazuko Ogiwara; Michiko Kanahori; Sadao Nishigaki

Reaction of 6-amino-5-nitrosouracil derivatives with various substituted hydrazones of aldehydes led to the formation of the corresponding xanthine derivatives.


Journal of Medicinal Chemistry | 1969

Synthetic antibacterials. I. Nitrofurylvinyl-s-triazine derivatives

Sadao Nishigaki; Fumio Yoneda; Hideko Matsumoto; Keiko Morinaga


Chemical & Pharmaceutical Bulletin | 1975

Synthetic antibacterials. V. 7-substituted 1-ethyl-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids.

Sadao Nishigaki; Misuzu Ichiba; Shinobu Fukazawa; Michiko Kanahori; Kazuko Shinomura; Fumio Yoneda; Keitaro Senga


Chemical & Pharmaceutical Bulletin | 1970

Synthetic Antibacterials. II. Synthesis of Pyrido [2,3-d] pyrimidine Derivatives. (1)

Sadao Nishigaki; Kazuko Ogiwara; Keitaro Senga; Shinobu Fukazawa; Fumio Yoneda; Kyoko Aida; Yoshiharu Machida


Journal of Heterocyclic Chemistry | 1971

Geometrical isomerism of ethyl N-(2-pyridinyl)aminomethylenecyanoacetates

Sadao Nishigaki; Misuzu Ichiba; Kazuko Shinomura; Fumio Yoneda


Journal of Heterocyclic Chemistry | 1970

A new synthesis of fervenulin (1,3-dimethyl-7-azalumazine)

Fumio Yoneda; Michiko Kanahori; Kazuko Ogiwara and; Sadao Nishigaki


Chemical & Pharmaceutical Bulletin | 1971

Dimethylamination and Formylation of Pyrimidines with Dimethylformamide

Sadao Nishigaki; Keitaro Senga; Fumio Yoneda


Journal of Heterocyclic Chemistry | 1973

New convenient syntheses of oxadiazolo[3,4-d] pyrimidine 1-oxides

Fumio Yoneda; Yoshiharu Sakuma; Michiko Ueno


Journal of Heterocyclic Chemistry | 1971

Geometrical isomorism of ethyl N-(pyrimidinyl) aminomethylenceyanoacetates †

Sadao Nishigaki; Kazuko Ogiwara; Fumio Yoneda


Chemical & Pharmaceutical Bulletin | 1970

Condensation Reactions of Ethyl Ethoxymethylenecyanoacetate with Amidines

Sadao Nishigaki; Keitaro Senga; Kyoko Aida; Toyomi Takabatake; Fumio Yoneda

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