| abstract |
The invention provides a compound represented by formula (1). n nIn the formula (1), R 1 is hydrogen, methyl or ethyl; X 1 is a single bond, —O— or —OCO—; X 2 is a single bond, —O—, —COO— or —OCO—; A 1 and A 2 are 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; Z 1 is independently a single bond, —O—, —S—, —COO—, —OCO—, —CH 2 O—, —OCH 2 —, —CH═CH—COO—, —OCO—CH═CH—, —CH 2 CH 2 —COO—, —OCO—CH 2 CH 2 —, —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. |