Optically-active derivatives of (R) 5-pentylamino-5-oxopentanoic

Details Optically-active derivatives of (R) 5-pentylamino-5-oxopentanoic Optically-active derivatives of (R) 5-pentylamino-5-oxopentanoic

1991-01-04

1992-07-14

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562450, 562449, C07C27900

Patent

active

051304740

ABSTRACT:
There are described optically active derivatives (R) 5-pentylamino-5-oxopentanoic acid and their pharmaceutically acceptable salts, having antagonistic activity towards cholecystokinin, and with the formula: ##STR1## in which R.sub.1 is selected from the groups 2-naphthyl, 3,4-dichlorobenzoyl and 3,4-dimethylbenzoyl and R.sub.2 is a pentyl group or an alkoxyalkyl group with 4 carbon atoms, and in which the substituents on the central chiral group (marked with an asterisk in Formula (I)), have the R (rectus) conformation.

REFERENCES:
patent: 3551417 (1970-12-01), Da Re et al.
patent: 4250183 (1981-02-01), Krastinat
patent: 4769389 (1988-07-01), Makovec et al.

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