| abstract |
Compounds of the formulan wherein X, and Y, are heteroatoms (or Y, is a bond), R 2 is hydrogen or a ring substituent, O 1 is CH 2 OH, OH, SH, NHR 3 , N(R 3 ) 2 (the R 3 's are independently selected from H, C 1-5 alkyl and CHO) or optionally esterified or salified carboxyl, and m and n are each up to 5 (n can be zero). These compounds can be thromboxane A 2 synthetase inhibitors. |