Patent ID: 6936670
Filing Date: 2005-08-30
Classification: C07D,C08F

Abstract:
1. A compound of formula Ia, Ib, Ic or Id wherein R R X is O, S, NR R Z is a direct bond or, if R Y is a radical derived from a polyol, a polyamine, a polyaminoalcohol, a polyaminothiol, a polyhydroxythiol, a polyaminohydroxythiol or a polythiol having 2 to 20 —OH, SH and/or —NR or if X is a direct bond and Z is —O—CH A and A′ together are ═O; or A′ is hydrogen; and A is hydrogen, —O—R or is a group R R R A and A′ together are a group wherein Z R R A is O—Y Y Y  wherein R R R n is a number from 2-20.