Process for preparing 2-substituted benzo?B!thiophene compounds and intermediates thereof
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United States of America Patent
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Jan 20, 1998
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N/A
app pub date -
Oct 27, 1995
filing date -
Mar 31, 1995
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Abstract
The present invention provides useful intermediates for preparing 2-(substituted phenyl)benzothiophenes compounds said intermediates having the structure ##STR1## wherein R.sup.1 ' is --OH, or --OR.sup.3, in which R.sup.3 is a hydroxy protecting group; and Z is bromo, iodo, triflate, or --B(OH).sub.2 with the proviso that when Z is bromo or iodo, R1' is not alkoxy.
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