1934
DOI: 10.1002/jlac.19345120102
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Die Tautomerie der Anthrachinon-α-carbonsäure-chloride und der Aufbau von Ringgebilden der Coeranthrenreihe. III

Abstract: Die Tautomerie der Anthrachinon-a-carbonsaurechloride und der Aufbau von Ringgebilden der Coeranthrenreihe. 111 '); von Roland Scholl und Joachim Donat. 1-carbonsaurechlorid gibt weit iiberwiegend oder fast nur Keton, mit Benzol (auch als Losungsmittel) und Aluminiumchlorid unterhalb 60° etwa 60 Proc. d. Th. in reiner Form, und nur etwa 20 Proc. reines Lacton, weil dieses durch die reduzierende Wirkung von Aluminiumchlorid + Benzol Die Tautomerie der Anlhrachinon-cr-carbonsaurec~ Zoride usw.3 z. T. in 9-Phenyl… Show more

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Cited by 7 publications
(1 citation statement)
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“…Our present communication describes the preparation of ortho-and para-(9-anthryl)benzoic acids by this reaction. One of the acids, the ortho (III), has been prepared previously by Cook (3) and by Scholl and Donat (1) through reduction of the lactone of 9-hydroxy-9-(o-carboxyphenyl) anthrone. In the present work, the Grignard reagent (I) prepared from 2-bromodiphenylmethane was allowed to react with phthalic anhydride to yield 2-benzylbenzophenone-2'-carboxylic acid (II).…”
mentioning
confidence: 99%
“…Our present communication describes the preparation of ortho-and para-(9-anthryl)benzoic acids by this reaction. One of the acids, the ortho (III), has been prepared previously by Cook (3) and by Scholl and Donat (1) through reduction of the lactone of 9-hydroxy-9-(o-carboxyphenyl) anthrone. In the present work, the Grignard reagent (I) prepared from 2-bromodiphenylmethane was allowed to react with phthalic anhydride to yield 2-benzylbenzophenone-2'-carboxylic acid (II).…”
mentioning
confidence: 99%