Polymerizable oxetane derivative

Abstract

The invention provides a compound represented by formula (1). In the formula (1), Ris hydrogen, methyl or ethyl; Xis a single bond, —O— or —OCO—; Xis a single bond, —O—, —COO— or —OCO—; Aand Aare each independently a divalent aromatic ring or a divalent cyclohexane ring, and in these rings, arbitrary hydrogen may be replaced by halogen, alkyl having 1 to 3 carbons or halogenated alkyl having 1 to 3 carbons; Zis independently a single bond, —O—, —S—, —COO—, —OCO—, —CHO—, —OCH—, —CH═CH—COO—, —OCO—CH═CH—, —CHCH—COO—, —OCO—CHCH—, —CON(R)— or —N(R)CO—; R is hydrogen or methyl; Y is a terpenoid residue or a steroid residue; m is an integer from 0 to 20; and n is an integer from 0 to 3.