Journal of heterocyclic chemistry

Synthesis of some 4??substituted and 4, 6??disubstituted dibenzothiophenes

AR Katritzky, S Perumal

Index: Katritzky, Alan R.; Perumal, Subbu Journal of Heterocyclic Chemistry, 1990 , vol. 27, # 6 p. 1737 - 1740

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Citation Number: 28

Abstract

Abstract The synthesis is described of various 4-substituted (1) and 4, 6-disubstituted (2) dibenzothiophenes by lithiation reactions. The factors controlling the formation of 4, 6- disubstituted dibenzothiophenes by the lithiation of 4-methyl-and 4-ethyl-dibenzothiophene at the 6-position versus lithiation at the α-carbon of the 4-substituent are examined.

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