Novel prostacyclin derivatives and a process for the preparation thereof

Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is (a) hydrogen, (b) C.sub.1-10 alkyl, (c) C.sub.1-10 alkyl substituted by halogen; C.sub.1-4 alkoxy; C.sub.6-10 aryl; C.sub.6-10 aryl substituted by 1-3 halogen atoms, a phenyl group, 1-3 C.sub.1-4 alkyl groups or a chloromethyl, fluoromethyl, trifluoromethyl, carboxy, hydroxy or C.sub.1-4 alkoxy group; di-C.sub.1-4 -alkylamino; or tri-C.sub.1-4 -alkylammonium, (d) C.sub.4-10 cycloalkyl, (e) C.sub.4-10 cycloalkyl substituted by C.sub.1-4 alkyl, (f) C.sub.6-10 aryl, (g) C.sub.6-10 aryl substituted by 1-3 halogen atoms, a phenyl group 1-3 C.sub.1-4 alkyl groups or a chloromethyl, fluoromethyl, trifluoromethyl, carboxy, hydroxy or C.sub.1-4 alkoxy group, or (h) an aromatic heterocycle of 5 or 6 ring atoms one of which is O, N or S; A is --CH.sub.2 --CH.sub.2 --, trans--CH.dbd.CH-- or --C.tbd.C--; W is hydroxymethylene, RO-methylene, CH.sub.3 or CH.sub.3, ##STR2## wherein OH or OR is in the .alpha.- or .beta.-position and R is an in vivo hydrolyzable and physiologically acceptable ether or acyl group which is conventional for modifying OH groups in prostaglandins; D and E together are a direct bond, or D is C.sub.1-10 alkylene, C.sub.1-10 alkenylene or C.sub.1-10 alkynylene or one of these groups substituted by fluorine, and E is oxygen, --C.tbd.C-- or a direct bond; R.sub.2 is (a) a C.sub.1-10 hydrocarbon aliphatic radical, (b) a C.sub.6-10 hydrocarbon aliphatic radical substituted by C.sub.6-10 aryl or by C.sub.6-10 aryl substituted by 1-3 halogen atoms, a phenyl group, 1-3 C.sub.1-4 alkyl groups or a chloromethyl, fluoromethyl, trifluoromethyl, carboxy, hydroxy or C.sub.1-4 alkoxy group; (c) C.sub.4-10 cycloalkyl, (d) C.sub.4-10 cycloalkyl substituted by C.sub.1-4 alkyl, (e) C.sub.6-10 aryl, (f) C.sub.6-10 aryl substituted by 1-3 halogen atoms, a phenyl group, 1-3 C.sub.1-4 alkyl groups or a chloromethyl, fluoromethyl, trifluoromethyl, carboxy, hydroxy or C.sub.1-4 alkoxy group; or (h) an aromatic heterocycle of 5 or 6 ring atoms one of which is O, N or S; and R.sub.3 is OH or OR; and, when R.sub.1 is hydrogen, the salts thereof with physiologically compatible bases, are effective as antihypertensive, bronchiodilators, thrombocyte aggregation inhibitors, inter alia.

Dependencies are inferred from the claim text.