Thioxanthene derivatives of pharmacological interest: 1, 2, 4-Trichloro and 2, 4, 5, 6-tetrachloro derivatives of 9-(3-dimethylaminopropylidene) thioxanthene

V Bártl, V Kmoníček, Z Šedivý, E Svátek…

Index: Bartl; Kmonicek; Sedivy; et al. Collection of Czechoslovak Chemical Communications, 1984 , vol. 49, # 10 p. 2295 - 2308

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Abstract

Abstract Reactions of 2, 4, 5-trichlorothiophenol (II) with 2-iodobenzoic acid and 2, 3- dichlorothiopheno with 3, 5-dichloro-2-iodobenzoic acid gave the acids III and IX which were cyclized to thioxanthones VI and XV. Reactions of these ketones with 3- dimethylaminopropylmagnesium chloride afforded the amino alcohols VII and XVI which were transformed by the acid catalyzed dehydration to the title compounds I and VIII. 2- ...