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Yasuyuki Kato

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Publication

Featured researches published by Yasuyuki Kato.

Journal of The Chemical Society-perkin Transactions 1 | 1975

Reaction of 1,2-dihydrobenzocyclobutene-1-carbonitriles with methyl acrylate as an unsymmetric dienophile

Tetsuji Kametani; Yasuyuki Kato; Toshio Honda; Keiichiro Fukumoto

Thermolysis of the 1,2-dihydrobenzocyclobutene-1-carbonitriles (11) and (12) in the presence of methyl acrylate gives in each case two stereoisomeric 1-cyano-2-methoxycarbonyltetralins [(16) and (17), and (18) and (19), respectively]. The cis-isomer (19) was converted into the more stable trans-isomer (17) by treatment with sodium hydride.

ChemInform | 1977

STUDIES ON THE SYNTHESES OF HETEROCYCLIC COMPOUNDS. 675. A FACILE REGIOSPECIFIC AND STEREOCONTROLLED SYNTHESIS OF A DITERPENE ALKALOID INTERMEDIATE FROM BENZOCYCLOBUTENES

Tetsuji Kametani; Yasuyuki Kato; Toshio Honda; Keiichiro Fukumoto

Das aus der Cyanpropionsaure (I) erhaltliche Benzocyclobuten (II) reagiert mit dem Jodid (III) (mittels ublicher Methoden aus α-Methylacetessigsauremethylester erhaltlich) zu dem Kondensationsprodukt (IV), das bei Thermolyse regiospezifisch und stereoselektiv in das Octalin (V) ubergeht.

Journal of the American Chemical Society | 1976

Studies on the syntheses of heterocyclic compounds. 675. A facile regiospecific and stereocontrolled synthesis of a diterpene alkaloid intermediate from benzocyclobutenes

Tetsuji Kametani; Yasuyuki Kato; Toshio Honda; Keiichiro Fukumoto

Journal of Organic Chemistry | 1977

Competitive reactions between sigmatropic reaction and cycloaddition affected by geometry of o-quinodimethanes

Tetsuji Kametani; Masayoshi Tsubuki; Yuichi Shiratori; Yasuyuki Kato; Hideo Nemoto; Masataka Ihara; Keiichiro Fukumoto; Fumio Satoh; Hitoshi Inoue

Heterocycles | 1976

A Simple and Stereospecific Synthesis of Siterpene Alkaloid Internediate

Tetsuji Kametani; Yasuyuki Kato; Toshio Honda; Keiichiro Fukumoto

Journal of pharmacobio-dynamics | 1990

DOSE-DEPENDENT SHIFT IN ACYL GLUCURONIDATION AND GLUCOSIDATION OF PRANOPROFEN, A 2-ARYLPROPIONIC ACID DERIVATIVE, IN MICE IN VIVO

Noriyuki Arima; Yasuyuki Kato

Journal of pharmacobio-dynamics | 1990

Species Differences in Absorption, Metabolism and Excretion of Pranoprofen, a 2-Arylpropionic Acid Derivative, in Experimental Animals

Noriyuki Arima; Yasuyuki Kato

Heterocycles | 1977

Synthesis of a Diterpene Alkaloid Intermediate from Benzocyclobutene

Fumio Satoh; Tetsuji Kametani; Yasuyuki Kato; Toshio Honda; Keiichiro Fukumoto

Yakugaku Zasshi-journal of The Pharmaceutical Society of Japan | 1976

[Studies on anti-inflammatory agents. XXXII. Absorption, excretion, distribution and metabolism of 2-(5H-(1)benzopyrano(2,3-b)pyridin-7-yl)propionic acid (Y-8004) in rats and mice (author's transl)].

Yasuyuki Kato; Noriyuki Arima; Hideo Nishimine

Yakugaku Zasshi-journal of The Pharmaceutical Society of Japan | 1976

[Studies on anti-inflammatory agents. XXXIII. Isolation and identification of the urinary metabolites of 2-(5H-[1]benzopyrano[2,3-b]-pyridin-7-yl)propionic acid (Y-8004) in mice (author's transl)].

Yasuyuki Kato; Noriyuki Arima; Hideo Nishimine

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Keiichiro Fukumoto

Tohoku University

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Tetsuji Kametani

Hoshi University

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Noriyuki Arima

Eisai

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Toshio Honda

Hoshi University

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Fumio Satoh

Tohoku University

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Hideo Nemoto

University of Toyama

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Masataka Ihara

Tohoku University

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Masayoshi Tsubuki

Hoshi University

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Yuichi Shiratori

Tohoku University

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Kimio Takahashi

Tohoku University

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