Amino acid derivatives with anticholecystokinin activity

US5847125A · kind A · utility

Assignee

• The James Black Foundation Limited · GB

Inventor

• Iain Mair McDonald · Ashford, GB

Key dates

• Filing date: Jul 7, 1994
• Grant date: Dec 8, 1998
• Expiry date: Jul 7, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2603/74
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of formula (II) wherein Ar is naphthyl, naphthylmethyl, 1,2,3,4-tetrahydronaphthyl, phenethyl, styryl, indanyl or a substituted derivative of any of the foregoing, or 3,4-dichlorophenyl, R.sub.1 is H, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkenyl, cycloalkyl, --(CH.sub.2).sub.q aryl, --(CH.sub.2).sub.q (substituted aryl), --(CH.sub.2).sub.q heterocyclic or --(CH.sub.2).sub.q (substituted heterocyclic), wherein q is 0 to 4, R.sub.2 is H, methyl or ethyl, R.sub.3 is C.sub.1 to C.sub.3 alkylene or is absent, T is carboxyl, --CONR.sub.4 R.sub.5 (wherein R.sub.4 and R.sub.5 are independently H or C.sub.1 to C.sub.4 alkyl), --COOR.sub.13 (wherein R.sub.13 is C.sub.1 to C.sub.4 alkyl, benzyl or substituted benzyl) or tetrazolyl, X is --C(O)-- or --CH.sub.2 --, and Y is --NR.sub.6 R.sub.7 or --O--R.sub.6 (wherein R.sub.6 and R.sub.7 are independently H, C.sub.1 to C.sub.15 hydrocarbyl or halo-substituted C.sub.1 to C.sub.15 hydrocarbyl in which up to 6 carbon atoms may be replaced by --O--, --S--, or --NR.sub.8 --(R.sub.8 being absent or selected from H, C.sub.1 to C.sub.12 hydrocarbyl, C.sub.1 to C.sub.12 hydrocarbylcarbonyl and C.sub.1 to C.sub.12 hydrocarbyloxycarbonyl)…