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US 5,710,285 AGranted
Process for preparing 2-substituted benzoB!thiophene compounds and intermediates thereof
AssigneeEli Lilly and Company
InventorsKenneth L. Hauser, Alan D. Palkowitz, Daniel J. Sall, Kenneth J. Thrasher
Life of this patent
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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.
Claims8
A compound of formula IX ##STR24## 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, R.sup.1 ' is not alkoxy.
Dependencies are inferred from the claim text.