Patent ID: 6673267
Filing Date: 2004-01-06
Classification: C08F,C09K,G02B

Abstract:
A phenylacetylene compound represented by the formula (1): wherein A1 to A12 each independently stands for a hydrogen atom, a fluorine atom, or an alkyl or alkoxy group having 1 to 10 carbon atoms optionally substituted with at least one fluorine atom; B1 and B2 each stands for a hydrogen atom or a methyl group; p, q, r, s, and t each denotes 0 or 1, provided that both p and q do not denote 1 at the same time, and that when q is 0, at least one of A2 and A4 to A10 stands for an alkyl or alkoxy group having 1 to 10 carbon atoms optionally substituted with at least one fluorine atom; m and n each denotes an integer of 0 to 14, provided that when s is 1, n is not 0, and when t is 1, m is not 0; W stands for a single bond, â€”CH2CH2â€”, or â€”Câ‰¡Câ€”.