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Title:
【発明の名称】新規なエポキシコハク酸アミド誘導体又はその塩
Document Type and Number:
Japanese Patent JP3410476
Kind Code:
B2
Abstract:
The invention relates an epoxysuccinamide derivative represented by a formula (I): wherein R<1> represents a hydrogen atom, an alkyl or aminoalkyl group, R<2> 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 R<1> and R<2> may form a nitrogen-containing heterocyclic ring, which may be substituted, together with the adjacent nitrogen atoms, and R<3> and R<4> 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.

Inventors:
Tetsuji Asao
Tomohiro Yamashita
Suda Yoshimitsu
Shigeo Okajima
Yukio Tada
Nobuhiko Katsunuma
Shozo Yamada
Kazuhiko Shigeno
Atsuhiko Uemura
Application Number:
JP53559298A
Publication Date:
May 26, 2003
Filing Date:
April 17, 1998
Export Citation:
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Assignee:
Taiho Pharmaceutical Co., Ltd.
International Classes:
C07D303/48; C07D303/40; (IPC1-7): C07D303/48; A61K31/335; A61P3/14; A61P19/08; A61P19/10; A61P35/04; A61P43/00
Domestic Patent References:
JP8104683A
JP8104684A
JP11263783A
Other References:
【文献】国際公開97/021694(WO,A1)
Attorney, Agent or Firm:
Arga Patent Office (5 outside)