摘要 |
To provide a prostaglandin derivative represented by the formula:wherein A is an ethylene group, a vinylene group, an ethynylene group, O(CH2)q or S(O)r(CH2)q, R1 is a C3-10 cycloalkyl group, a C1-4 alkyl-C3-10 cycloalkyl group, a C3-10 cycloalkyl-C1-4 alkyl group, a C1-10 alkyl group, a C1-10 alkyl group substituted with hydroxyl group(s) or C1-4 alkoxy group(s), a C2-10 alkenyl group, a C2-10 alkenyl group substituted with hydroxyl group(s) or C1-4 alkoxy group(s), a C2-10 alkynyl group, a C2-10 alkynyl group substituted with hydroxyl group(s) or C1-4 alkoxy group(s) or a bridged cyclic hydrocarbon group, R2 is a hydrogen atom, a C1-10 alkyl group or a C3-10 cycloalkyl group, m is an integer of 1 to 5, n is an integer of 1 to 4, p is 0, 1 or 2, q is an integer of 1 to 5 and r is 0, 1 or 2; a pharmaceutically acceptable salt thereof or a hydrate thereof exhibit excellent action in inhibiting the growth of vascular smooth muscle and is useful as a drug for inhibition of restenosis after percutaneous transluminal coronary angioplasty.
|