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Abstract

Hydrophilic monomers containing aldehyde or acetal groups based on N-substituted amides of methacrylic and acrylic acid were prepared. The structure of these monomers prevents undesirable spontaneous intramolecular cyclization reactions of pendant aldehyde groups of the corresponding polymers. The following monomers were prepared: N-(2-formyl-2-methylpropyl)-N-methylmethacrylamide (3), N-(2,2-dimethoxyethyl)-N-methylmethacrylamide (5a), N-(2,2-dimethoxyethyl) methacrylamide (5b) and N-(2,2-dimethoxyethyl)-N-methylacrylamide (12).