| 摘要 |
<p>Compounds of the formula <IMAGE> I are disclosed wherein R1 stands for hydrogen, C1-4 straight or branched alkyl or pharmacologically acceptable cation, R2 stands for hydrogen, C1-4 alkanoyl, benzoyl, or benzoyl substituted by C1-4 alkyl or halogen, and R2 can further represent tetrahydropyranyl, trialkylsilyl or alkoxyalkyl, A stands for ethylene, cis or trans-vinylene or -C=C-, n may represent 2, 3 or 4. The compounds are highly effective in the inhibition of thrombocyte aggregation while at the same time exert only a very small hypotensive effect.</p> |
