Process for the production of 2-acetylbenzo [.beta.]thiophenes
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United States of America Patent
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Dec 8, 1992
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N/A
app pub date -
Nov 22, 1991
filing date -
Nov 22, 1991
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Abstract
A process for the production in high yield of 2-acetylbenzo[.beta.]thiophene and its alkyl and alkoxy substituted derivatives by converting a 2-halobenzaldehyde to a 2,2'-dithiobis(benzaldehyde) intermediate and reacting that intermediate successively with 2,4-pentanedione and chloroacetone in the presence of base.
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