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Kazuko Shinomura

Keio University

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Publication

Featured researches published by Kazuko Shinomura.

Journal of The Chemical Society-perkin Transactions 1 | 1976

A new synthesis of pyrimido[4,5-e]-as-triazine 4-oxides by nitrosative cyclization of aldehyde uracil-6-ylhydrazones in the presence of diethyl azodiformate

Fumio Yoneda; Tomohisa Nagamatsu; Kazuko Shinomura

The nitrosative cyclization of the aldehyde uracil-6-ylhydrazones in the presence of diethyl azodiformate gives the corresponding pyrimido[5,4-e]-as-triazine 4-oxides; several toxoflavin and fervenulin 4-oxides were prepared by this method. The compounds showed characteristic u.v. spectra.

Journal of the American Chemical Society | 1976

Syntheses of isoalloxazines and isoalloxazine 5-oxides. A new synthesis of riboflavin

Fumio Yoneda; Yoshiharu Sakuma; Misuzu Ichiba; Kazuko Shinomura

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

Journal of Heterocyclic Chemistry | 1971

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

Sadao Nishigaki; Misuzu Ichiba; Kazuko Shinomura; Fumio Yoneda

Tetrahedron Letters | 1971

A convinient synthesis of toxoflavins and toxoflavin-n-oxides

Fumio Yoneda; Kazuko Shinomura; Sadao Nishigaki

ChemInform | 1976

SYNTHETIC ANTIBACTERIALS. V. 7-SUBSTITUTED 1-ETHYL-1,4-DIHYDRO-4-OXO-1,8-NAPHTHYRIDINE-3-CARBOXYLIC ACIDS

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

ChemInform | 1976

A NEW SYNTHESIS OF PYRIMIDO(4,5-E)-AS-TRIAZINE 4-OXIDES BY NITROSATIVE CYCLIZATION OF ALDEHYDE URACIL-6-YLHYDRAZONES IN THE PRESENCE OF DIETHYL AZODIFORMATE

Fumio Yoneda; Tomohisa Nagamatsu; Kazuko Shinomura

ChemInform | 1976

SYNTHESES OF ISOALLOXAZINES AND ISOALLOXAZINE 5-OXIDES. A NEW SYNTHESIS OF RIBOFLAVIN

Fumio Yoneda; Yoshiharu Sakuma; Misuzu Ichiba; Kazuko Shinomura

ChemInform | 1972

EINE NEUE VERWENDUNG FUER AZODICARBONSAEUREDIAETHYLESTER BEI EINER NEUEN SYNTH. VON 7-AZAPTERIDIN-N-OXIDEN

Fumio Yoneda; Sadao Nishigaki; Kazuko Shinomura

ChemInform | 1971

GEOMETRISCHE ISOMERIE BEI AETHYL-N-(2-PYRIDINYL)-AMINOMETHYLENCYANACETATEN

Sadao Nishigaki; Misuzu Ichiba; Kazuko Shinomura; Fumio Yoneda

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Fumio Yoneda

Kyoto University

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Sadao Nishigaki

Keio University

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Misuzu Ichiba

Keio University

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Keitaro Senga

Keio University

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Shinobu Fukazawa

Keio University

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Tomohisa Nagamatsu

Okayama University

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Yoshiharu Sakuma

Kumamoto University

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Michiko Kanahori

Keio University

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