Patent number: 6432982
Abstract: The invention provides novel benzothiophenes of the formula:
wherein R1 is —H, —OH, —O(C1-C4 alkyl), —O—CO(C1-C6 alkyl), —OSO2(C4-C6 alkyl, or —OCOAr where Ar is optionally substituted phenyl; R2 is —H, —OH, —Cl, —Br, —O(C1-C4 alkyl), —OCO(C1-C6 alkyl), —OSO2(C4-C6 alkyl, or —OCOAr where Ar is optionally substituted phenyl; R3 is —H, —F, —Cl, —(C1-C4 alkyl), —CN, or —O(C1-C3 alkyl); R4 is —H, —F, —Cl, —(C1-C4 alkyl), —CN or —O(C1-C3 alkyl); R5 is —H, —F, —Cl, —(C1-C4 alkyl), or —O(C1-C3 alkyl); and R6 is —H, —F, —Cl, —(C1-C4 alkyl), or —O(C1-C3 alkyl); with the provisos that R3, R4, R5 and R6 can not all be hydrogen, and that when one of R3, R4, R5 or R6 is C1-C4 alkyl, no more than two of R3, R4, R5 and R6 can be hydrogen; Y is —CO—, —CHOH—, or &mda
Type:
Grant
Filed:
January 14, 1997
Date of Patent:
August 13, 2002
Assignee:
Eli Lilly and Company
Inventors:
George Joseph Cullinan, Kennan Joseph Fahey