Patent number: 6426364
Abstract: Provided, among other things, is a compound of Formula I:
wherein:
Ar1 and Ar2 are independently selected aryl groups, optionally substituted with up to five substituents independently selected from the group consisting of
alkyl, alkoxy, cycloalkyl, cycloalkyloxy, heterocycloalkyl, heterocycloalkyloxy, alkanoyl, thioalkyl, aralkyl, aralkyloxy, aryloxyalkyl, aryloxyalkoxy, cycloalkyl-substituted alkyl, cycloalkyloxy-substituted alkyl, cycloalkyl-substituted alkoxy, cycloalkyloxy-substituted alkoxy, heterocycloalkyl-substituted alkyl, heterocycloalkyloxy-substituted alkyl, heterocycloalkyl-substituted alkoxy, heterocycloalkyloxy-substituted alkoxy, thioaryl, aralkylthio, thioarylalkyl, aralkylthioalkyl, halo, NO2, CF3, CN, OH, alkylenedioxy, SO2NRR′, NRR′, CO2R (where R and R′ are independently selected from the group consisting of H and alkyl), and a second aryl group, which may be substituted as above;
R1 is selected from the group consisting of H and alkyl;
R2 is selec
Type:
Grant
Filed:
November 1, 2000
Date of Patent:
July 30, 2002
Assignee:
NPS Allelix Corp.
Inventors:
Ian Egle, Jennifer Frey, Methvin Isaac
Patent number: 6180759
Abstract: This invention is directed to a process for preparing a pseudotetrapeptide of formula I
or a salt or prodrug thereof wherein
is optionally nitrogen protected azaheterocyclyl;
is a single or double bond; q is 1-5; B is alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, aralkyl, alkylaryl, or alkylaralkyl; Q2 is H or a carboxylic acid protecting group; J is —H, alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, substituted aryl, aralkyl, substituted aralkyl; L is OR1, or NR1R2, where R1 and R2 are independently —H, alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkylcycloalkylalkyl, aryl, aralkyl, alkylaryl or alkylaralkyl; and p is 1 or 2 which comprises the coupling of two dipeptides or psuedopeptides.
Type:
Grant
Filed:
April 7, 2000
Date of Patent:
January 30, 2001
Assignee:
Aventis Pharmaceuticals Products Inc.
Inventors:
James J. Mencel, Robert Stammler, Christophe Daubie, Michel Lavigne, Benoit J. Vanasse, Robert C. Liu, Patrick Leon, Geoffrey A. D'Netto, Adam W. Sledeski