| abstract |
The present invention provides a cyclic amide derivative useful as a drug for treating thrombosis, which is represented by the formula (I): n n n n n n n n n n wherein R 1 represents an optionally substituted cyclic hydrocarbon group or an optionally substituted heterocyclic group, W represents a bond or an optionally substituted divalent chain hydrocarbon group, a represents 0, 1, or 2, X 1 represents an optionally substituted lower alkylene or an optionally substituted lower alkenylene, Y 1 represents —C(O)—, —S(O)— or —S(O) 2 —, A represents a piperazine ring which may be further substituted or a piperidine ring which may be further substituted, X 2 represents a bond or an optionally substituted lower alkylene, Y 2 represents —C(O)—, —S(O)—, —S(O) 2 — or —C(═NR 7 )—, X 3 represents an optionally substituted C 1-4 alkylene or an optionally substituted C 2-4 alkenylene, Z 3 represents —N(R 4 )—, —O— or a bond, Z 1 represents —C(R 2 )(R 2′ )—, —N(R 2 )—, etc., and Z 2 represents —C(R 3 )(R 3′ )—, —N(R 3 )—, etc., or a salt thereof. |