5321-59-5Relevant academic research and scientific papers
Bicyclic fibrinogen antagonists
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, (2008/06/13)
This invention relates to compounds of the formulae: wherein A1is O, S, N—R1or CHR1; A4is N—R4or CHR4; R2is a sidechain containing an acid or ester group; R1, R4and R5are substituents such as H, alkyl and aryl alkyl, and R6is a sidechain containing a nitrogen group; and pharmaceutically acceptable salts thereof, which are effective for inhibiting platelet aggregation, pharmaceutical compositions for effecting such activity, and a method for inhibiting platelet aggregation.
Epoxysuccinamide derivative or salt thereof
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, (2008/06/13)
PCT No. PCT/JP98/01778 Sec. 371 Date Dec. 17, 1998 Sec. 102(e) Date Dec. 17, 1998 PCT Filed Apr. 17, 1998 PCT Pub. No. WO98/47887 PCT Pub. Date Oct. 29, 1998The invention relates an epoxysuccinamide derivative represented by a formula (I): wherein R1 represents a hydrogen atom, an alkyl or aminoalkyl group, R2 represents an aminoalkyl group which May be substituted, an aryl group which may be substituted, a heterocyclic group which may be substituted, an aralkyl group which may be substituted, or an alkyl group substituted by a heterocyclic ring which may be substituted, or R1 and R2 may form a nitrogen-containing heterocyclic ring, which may be substituted, together with the adjacent nitrogen atoms, and R3 and R4 are the same or different from each other and independently represent a hydrogen atom, or an alkyl or aralkyl group, or a salt thereof, a preparation process thereof, and a medicine comprising such a derivative or salt as an active ingredient. This compound has a specific inhibitory activity for cathepsin L and family enzymes thereof, and is useful as an agent for preventing and treating metabolic osteopathy such as osteoporosis and hypercalcemia.
