5,6,7-Trinor-4, 8-inter-m-phenylene prostaglandin I2 derivatives.

摘要

A compound of the formula (I) wherein R1 is a pharmaceutically acceptable cation, hydrogen or n-alkyl of 1 to 12 carbon atoms; R2 is hydrogen, acyl of 2 to 10 carbon atoms or aroyl of 7 to 13 carbon atoms; R3 is hydrogen, acyl of 2 to 10 carbon atoms or aroyl of 7 to 13 carbon atoms; R4 is hydrogen, methyl or ethyl; R5 is n-alkyl of 1 to 5 carbon atoms; n is an integer of 0 to 4; A is -CH2-CH2- or trans -CH=CH-; and X is -CH2-CH2- or trans -CH=CH-. The compounds are useful in anti-ulcer, hypotensive and platelet aggregation inhibiting compositions.