Patent ID: 6602831
Filing Date: 2003-08-05
Classification: C07D,C10M,C10N

Abstract:
A compound having the formula wherein W represents two groups, R3 and R4; bonds a and b are single or double bonds, provided that one of a and b is a single bond and the other is a double bond; c is a single bond, and d is two single bonds, A1, B1 and B2 are independently hydrogen, â€ƒprovided that B1 is absent when b is a double bond, B2 is absent when a is a double bond, R1, R2, R3 and R4 are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; or R1 and R2, or R3 and R4, combine with the carbon atom to which they are attached to form an alkyl or alkenyl ring; Y is O or S; Z is O, S or NR9; m is 0 when bond e is a double bond and 1 when e is a single bond; n is 1 when bond f is a double bond and 2 when f is a single bond; R5 is C(Y)ZR7, hydrogen or C1-C4 alkyl; R6 is hydrogen or C1-C4 alkyl; R7, R8 and R9 are independently hydrogen, alkyl, alkenyl, aryl or aralkyl; provided that at least one of A1, B1 and B2 is present and is not hydrogen.