Iodine-containing (METH)acrylate compound and method for preparing iodine-containing hydroxyl polymer

Abstract

　　The present invention is to provide a compound that can further enhance EUV sensitivity and temporal stability, is useful for the production of photoresist layer forming materials, and has excellent storage stability. The solution is a compound represented by formula (I) or formula (II) (wherein, Ring A represents an aromatic ring; Ring B represents a non-aromatic heterocycle; R1 represents hydrogen or a methyl group; R2 represents a substituent, one or more of which are iodine atoms; R3 represents a substituent; R4 represents a linear or branched alkyl group; X represents O or S; a, b, and c represent

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