| 摘要 |
PROBLEM TO BE SOLVED: To provide a new monomer solving the problem on insufficient cationicity depending on applications, to provide a method for producing the monomer, and to provide a homopolymer or copolymer having the unit derived from the monomer. SOLUTION: This new monomer is a compound of chemical formula (Ia) or (Ib). The 2nd objective method for producing the compound comprises the steps of reacting a xylene dichloride with a compound of chemical formula (II) to prepare a compound of chemical formula (III), reacting the compound of chemical formula (III) with a compound of chemical formula (IVa) or (IVb) to produce the objective compound of formula (Ia) or (Ib) followed by, as necessary, removing water from the system (in the above chemical formulas, R1 is H or methyl; and R2 is ethyl or isopropyl).
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