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Kazuko Ogiwara

Keio University

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Publication

Featured researches published by Kazuko Ogiwara.

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 The Chemical Society D: Chemical Communications | 1971

A new synthesis of alloxazines

Fumio Yoneda; Misuzu Ichiba; Kazuko Ogiwara; Sadao Nishigaki

The treatment of 6-anilino-4-hydroxy-5-p-nitro-phenylazo-2-phenylpyrimidines with 10% concentrated sulphuric acid in glacial acetic acid led to the formation of the corresponding 2-phenyl-2-deoxyalloxazines.

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 Medicinal Chemistry | 1971

Synthesis of 2-methylpteridine derivatives.

Sadao Nishigaki; Kazuko Ogiwara; Fumio Yoneda

Journal of Heterocyclic Chemistry | 1971

Geometrical isomorism of ethyl N-(pyrimidinyl) aminomethylenceyanoacetates †

Sadao Nishigaki; Kazuko Ogiwara; Fumio Yoneda

Tetrahedron Letters | 1969

Synthesis of iminodipyrimidines

Sadao Nishigaki; Keitaro Senga; Kazuko Ogiwara; Fumio Yoneda

Chemical & Pharmaceutical Bulletin | 1970

A Novel Synthesis of Iminodipyrimidines

Sadao Nishigaki; Keitaro Senga; Kazuko Ogiwara; Fumio Yoneda

Chemical & Pharmaceutical Bulletin | 1971

Oxidation of 5-Nitrosopyrimidines by Nitrous Acid. A Synthesis of 5-Nitropyrimidines

Sadao Nishigaki; Kazuko Ogiwara; Fumio Yoneda

Chemical & Pharmaceutical Bulletin | 1971

A Variant Route to Alloxazines

Sadao Nishigaki; Shinobu Fukazawa; Kazuko Ogiwara; Fumio Yoneda

Journal of Medicinal Chemistry | 1972

Synthetic antibacterials. 4. Nitrofurylvinylpyrido(2,3-d)pyrimidine derivatives.

Sadao Nishigaki; Kazuko Ogiwara; Shinobu Fukazawa; Misuzu Ichiba; Noriko Mizushima; Fumio Yoneda

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Fumio Yoneda

Kumamoto University

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Sadao Nishigaki

Keio University

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Keitaro Senga

Keio University

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Shinobu Fukazawa

Keio University

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Misuzu Ichiba

Keio University

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Kyoko Aida

Keio University

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Michiko Kanahori

Keio University

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Noriko Mizushima

Keio University

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Yoshiharu Machida

Keio University

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