Polymerizable compound, polymerizable composition, optical material, optical element and optical head device

摘要

A polymerizable compound represented by the following formula (1): wherein A is a hydrogen atom or a group selected from the following formulae (2) to (5): VwH(3-W)C—  (2) PhxY(3-x)Si—  (3) J-(CH2)m1—CHl(CH3)(2-l)—  (4) J-(CH2)n1—SiPhp1(CH3)(2-p1)—  (5); B is a group selected from the following formulae (6) and (7): J-(CH2)m2—CHk(CH3)(2-k)—  (6) J-(CH2)n2—SiPhp2(CH3)(2-p2)—  (7).