Claims for Patent: 5,710,285
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Summary for Patent: 5,710,285
| Title: | Process for preparing 2-substituted benzo B!thiophene compounds and intermediates thereof |
| Abstract: | The present invention provides useful intermediates for preparing 2-(substituted phenyl)benzothiophenes compounds said intermediates having the structure ##STR1## wherein R1 ' is --OH, or --OR3, in which R3 is a hydroxy protecting group; andZ is bromo, iodo, triflate, or --B(OH)2 with the proviso that when Z is bromo or iodo, R1' is not alkoxy. |
| Inventor(s): | Kenneth L. Hauser, Alan D. Palkowitz, Daniel J. Sall, Kenneth J. Thrasher |
| Assignee: | Eli Lilly and Co |
| Application Number: | US08/549,595 |
| Patent Claims: |
1. A compound of formula IX ##STR24## wherein R1 IS --OH or --OR3, in which R3 is a hydroxy protecting group; andZ is bromo, iodo, triflate or --B(OH)2 ;with the proviso that when Z is bromo or iodo, R1 ' is not alkoxy. 2. A compound according to claim 1 wherein R1 ' is --OR3. 3. A compound according to claim 2 wherein R3 is C1 -C4 alkyl. 4. A compound according to claim 3 wherein R3 is methyl. 5. A compound according to claim 4 wherein Z is --B(OH)2. 6. A compound according to claim 1 wherein Z is bromo. 7. A compound according to claim 1 wherein Z is iodo. 8. A compound according to claim 1 wherein Z is --B(OH)2. |
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ISSN: 2162-2639
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