Blood vessel thickening inhibitor and smooth muscle fiber migration inhibitor each containing 7-thiaprostaglandin e1 compound as active ingredient

摘要

A blood vessel thickening inhibitor and a smooth muscle fiber migration inhibitor each containing as the active ingredient a 7-thiaprostaglandin E1 compound represented by general formula (I) and useful for inhibiting blood vessel thickening caused mainly by the migration or proliferation of vascular smooth muscle fibers after angioplasty, arterial bypass operation, and so forth, wherein R1 represents hydrogen, etc.; R2 represents hydrogen, etc.; R3 represents linear branched alkyl, etc.; n represents 0 or 1; and symbol * represents an asymmetric carbon atom. CHEM