Intermediates and processes for preparing benzo (b) thiophenes
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United States of America Patent
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Jan 25, 2000
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N/A
app pub date -
Apr 29, 1998
filing date -
Apr 30, 1997
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Abstract
The instant invention provides processes for preparing compounds of formula IV, V, and IX, having the structures provided hereinbelow: ##STR1## These compounds are useful intermediates in the further preparation of benzo[b] thiophenes.
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