The Bucherer Reaction on 5-Hydroxybenzo (f) quinoline1

RF Coles, CS Hamilton

文献索引：Coles; Hamilton Journal of the American Chemical Society, 1946 , vol. 68, p. 1595

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摘要

Method B.--After refluxing the freshly prepared potassium salt (VII) with 5% hydrochloric acid (175 ml.), the benzothiazole (IV) crystallized on cooling. Recrystallization from alcohol gave 3.7 g.(30% yield from 15 g. 2f VI), mp 13-154.5"(cor.), reported value mp 151,, 30% yield.: This corresponds to an 18% yield from the pitroanisidine as compared with 14.770 previously obtained.* This compound was identical with that obtained in method A but was ...