Patent ID: 6369279
Filing Date: 2002-04-09
Classification: C07C,C07F,Y02P

Abstract:
A styrene derivative of formula (1): whereinR1 is hydrogen, a straight, branched or cyclic, unsubstituted or fluoro-substituted alkyl group of 1 to 20 carbon atoms, chlorine atom, or trichloromethyl group, R2 is methyl, vinyl, allyl, benzyl or a group of formulae (10), (11), (12), (13) and (14): whereinR3 is a straight, branched or cyclic alkyl group of 1 to 20 carbon atoms, R4 and R5 each are hydrogen, a straight, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain a hetero atom, R6 is a straight, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain a hetero atom, aryl, aralkyl or oxoalkyl group, and a pair of R4 and R5, a pair of R4 and R6, or a pair of R5 and R6, taken together, may form a cyclic structure of 3 to 12 carbon atoms, R7, R8 and R9 each are a straight, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain a hetero atom, aryl, aralkyl or oxoalkyl group, and a pair of R7 and R8, a pair of R7 and R9, or a pair of R8 and R9, taken together, may form a cyclic structure of 3 to 12 carbon atoms, R10, R11 and R12 each are a straight or branched alkyl group of 1 to 4 carbon atoms, R13 is a straight, branched or cyclic alkyl group of 1 to 20 carbon atoms which may contain a hetero atom, aryl, aralkyl or oxoalkyl group, and â€œaâ€  is an integer of 0 to 10, p, q and r are integers in the range of 0&lE;p<5, 0&lE;q<5, 02 is of formula (10) and q is 1, p is not 0.