Patent number: 6579987
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, thioaryl-alkyl, 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 sele
Type:
Grant
Filed:
December 20, 2002
Date of Patent:
June 17, 2003
Assignee:
NPS Allelix Corporation
Inventors:
Ian Egle, Jennifer Frey, Methvin Isaac