Patent ID: 6326491
Filing Date: 2001-12-04
Classification: C07H

Abstract:
A compound of the formula: ##STR13##and enantiomers thereof where wherein R.sub.1 is hydrogen, alkyl, C.sub.1 -C.sub.16 substituted alkyl, aryl, substituted aryl, aralkyl, substituted aralkyls, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cyano, carboxy, carboxy esters, carboxamido N-mono substituted and N,N-disubstituted carboxamido with alkyl, aralkyl or aryl groups;where R.sub.2 is hydrogen, alkyl, C.sub.1 -C.sub.16 substituted alkyl, aryl, substituted aryl, aralkyl, substituted aralkyls, alkenyl, substituted alkenyl, alkynyl or substituted alkynyl;where R.sub.3 is alkyl C.sub.2 -C.sub.6, branched alkyl, aryl C.sub.2 -C.sub.6, substituted aryl; andwhere R.sub.6 is alkyl C.sub.2 -C.sub.6, branched alkyl, aryl C.sub.2 -C.sub.6, substituted aryl.