Patent ID: 6489314
Filing Date: 2002-12-03
Classification: C07D,C12N,C12P,C12R

Abstract:
A purified compound of the formula wherein:R1, R2, R3, and R5 are each independently hydrogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl or alkylaryl; R4 is hydrogen, halogen C1-C10 alkyl, C1-C10 hydroxyalkyl, C1-C10 haloalkyl, aryl, â€”C(&boxH;O)R6, â€”C(&boxH;O)OR6, â€”NR6R7 where R6 and R7 are each independently hydrogen, C1-C10 aliphatic, aryl or alkylaryl; W is NR8 where R8 is hydrogen, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, aryl or alkylaryl; X is O, CH2 or a carbon-carbon bond; Y is absent or a C1-C10 alkyl, C2-C10 alkenyl, or C2-C10 alkynyl; and Ar is aryl.