C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
530/5.08
C07K 5/08 (2006.01) C07K 5/02 (2006.01) C07K 5/068 (2006.01) A61K 38/00 (2006.01)
Patent
CA 1318461
- 1 - Abstract of the Disclosure A tripeptide derivative represented by the following formula Image (I) wherein R1 represents a C1-10 alkyl group, a C4-7 cycloalkyl or C5-7 cycloalkyl-lower alkyl group, a phenyl or phenyl-lower alkyl group in which the benzene ring may optionally be sub- stituted by a substituent selected from halogen, lower alkyl, lower alkoxy, phenyl, methylenedi- oxy, ethylenedioxy, amino, di(lower alkyl)amino and hydroxy, a naphthyl or naphtbyl-lower alkyl group in which the naphthalene ring may option- ally be substituted by a substituent selected from halogen, lower alkyl, lower alkoxy and hydroxy, a heterocyclic or heterocyclic-lower alkyl group in which the heterocycle is a saturated or unsaturated 5- or 6-membered ring containing a nitrogen, oxygen or sulfur atom as the hetero atom, and may optionally be substi- tuted by a substituent selected from halogen, lower alkyl, lower alkoxy, amino, di(lower alkyl)amino, hydroxy, oxo and saturated 5- or 6-membered nitrogen-containing heterocyclic group, and further may optionally be fused to a benzene ring, or an imidazolylvinyl group; R2 represents a hydrogen atom, a C1-10 alkyl group or a benzyl group; R3 represents a group of the formula - 2 - Image or -?-?H-COOR4 (a) (b) in which Image represents a benzene, cyclo- pentane or cyclohexane ring, R4 represents a hydrogen atom, a C1-10 alkyl group or a benzyl group, p is n or 1, q is 1, 21 or 3, and X represents a phenyl group which may optionally be substituted by a substi- tuent selected from halogen, lower alkoxy and hydroxy, a C4-8 cycloalkyl group, or a C5-7 cycloalkyl group which is fused to a benzene, and Y represents a hydrogen atom or a lower alkyl group, or X and Y, to- gether with the nitrogen and carbon atoms to which they are bonded, forms a 5- or 6-membered heterocycle which may contain a nitrogen, oxygen or sulfur atom, W represents a single bond, -O- or -NH-, T represents a single bond, -?- or -S-, and m is 2 or 3, or salts thereof; processes for production thereof; and the use thereof as a medicine, particularly an anti- hypertensive agent.
536368
Hosoki Kanoo
Nishimura Kazuya
Sasagawa Takashi
Sawayama Tadahiro
Takeyama Kunihiko
Dainippon Pharmaceutical Co. Ltd.
Smart & Biggar
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