Process for preparing benzo[b]thiophenes
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United States of America Patent
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Nov 30, 1999
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N/A
app pub date -
Apr 29, 1998
filing date -
Apr 30, 1997
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Abstract
The preparation of benzo[b]thiophenes by the acylation of alkoxy protected starting materials followed by demethylation using essentially odorless thiol compounds are provided herewith. Demethylation may be carried out in the same reaction vessel without isolation of the acylated, protected material.
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