Patent ID: 6235901
Filing Date: 2001-05-22
Classification: C07D,C08G

Abstract:
A compound having the formula: ##STR27##wherein R is an alkylene group containing 1-5 carbon atoms or an arylene, substituted arylene, substituted or unsubstituted heteroarylene, alkylenearylene, alkylene-O-arylene or O; R.sub.1 and R.sub.2 are hydrogen or a methyl group; X is O, NH, NR' wherein R' is an alkyl group containing 1-5 carbon atoms, or--O-alkylene-O--, --O-alkylene-, --O-alkylene-ONH- and --O-alkylene-OC(O)NH-- wherein each instance contains 1-5 carbon atoms and n is 0 or 1.