The Journal of Organic Chemistry

SOME DERIVATIVES OF PHENOTHIAZINE. II. 1

A Burger, AC SCHMALZ

Index: Burger; Schmalz Journal of Organic Chemistry, 1954 , vol. 19, p. 1841,1842

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Citation Number: 17

Abstract

At the time this work was carried out the only 4-substituted phenothiazine derivative on record was 4-carboxy-10-ethy1phenothiazine which Gilman, Van Ess, and Shirley (2) had obtained in low yield by carbonating lithium lo-ethylphenothiazine. Only very recently an