Dipiperidine derivatives

摘要

PCT No. PCT/JP94/00908 Sec. 371 Date Dec. 28, 1995 Sec. 102(e) Date Dec. 28, 1995 PCT Filed Jun. 6, 1994 PCT Pub. No. WO95/01336 PCT Pub. Date Jan. 12, 1995The present invention relates to an novel dipiperidine derivative represented by formula (1), or a pharmaceutically acceptable salt thereof; <IMAGE> +TR <IMAGE> wherein R1 represents a hydrogen atom or a lower alkyl group; Y represents a single bond or an oxygen atom; n represents 1, 2 or 3; W represents a methylene group or an oxygen atom; R2 represents a hydrogen atom or a carboxyl modifying group which can be eliminated in vivo; X1 and X3 are the same or different and each represents a hydrogen atom or a lower alkyl group. This compound is useful as platelet aggregation inhibitors, cancer metastasis inhibitors, wound remedies or bone resorption inhibitors.