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Dive into the research topics where Yoshimi Takase is active.

Publication


Featured researches published by Yoshimi Takase.


Dyes and Pigments | 1984

Ozonolysis of 1-phenylazo-2-naphthol

Masaki Matsui; Katsuyoshi Shibata; Yoshimi Takase

Abstract The ozonolysis of 1-phenylazo-2-naphthol was studied using ozone in an oxygen stream. 1-Phenylazo-2-naphthol reacts with ozone to give benzene, chlorobenzene, phenol, o-naphthoquinone, phthalide and phthalic anhydride. The mechanism of the reaction is explained as an electrophilic attack of ozone with the hydrazone tautomer of 1-phenylazo-2-naphthol.


Journal of The Society of Dyers and Colourists | 2008

Ozonation of Dyes. II-Ozone Treatment of 4-Phenylazo-1-naphthol

Masaki Matsui; Kiyomi Kobayashi; Katsuyoshi Shibata; Yoshimi Takase


Bulletin of the Chemical Society of Japan | 1984

Ozonization of Triphenylmethane Dyes

Masaki Matsui; Hideki Nakabayashi; Katsuyoshi Shibata; Yoshimi Takase


Journal of The Society of Dyers and Colourists | 2008

Reaction of Water–soluble Dyes with Ozone

Masaki Matsui; T Kimura; T Nambu; Katsuyoshi Shibata; Yoshimi Takase


Bulletin of the Chemical Society of Japan | 1984

Ozonization of Phenothiazine and Its Analogues

Masaki Matsui; Yoshihiko Miyamoto; Katsuyoshi Shibata; Yoshimi Takase


Sen-i Gakkaishi | 1974

BIOLOGICAL TREATMENTS OF ACID AZO DYES BY MICROBIAL POPULATIONS IN ACTIVATED SLUDGE

Toshihiko Ogawa; Eiichi Idaka; Kazuhiro Hirabayashi; Yoshimi Takase


Bulletin of the Chemical Society of Japan | 1984

Alkoxylation of ferrocene by photolysis of haloferrocenes in aqueous alcohols.

Katsuyoshi Shibata; Yoshiyuki Saito; Masaki Matsui; Yoshimi Takase


Sen-i Gakkaishi | 1981

OZONATION OF DYES

Masaki Matsui; Kiyomi Kobayashi; Hiroyuki Miyazaki; Katsuyoshi Shibata; Yoshimi Takase


Bulletin of the Chemical Society of Japan | 1984

Ozonation of xanthene.

Masaki Matsui; Yoshihiko Miyamoto; Katsuyoshi Shibata; Yoshimi Takase


Nippon Kagaku Kaishi | 1977

Reaction of Photoisomerized Azonaphthalenes with Acetyl Chloride

Katsuyoshi Shibata; Hiromitsu Sadaka; Masaki Matsui; Yoshimi Takase

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