4-{3-[(2,6-diisopropylphenylcarbamoyl)-methyl]-2,4-dioxo-1,3-diazaspiro[4.5]dec-1-yl}benzoic acid ethyl ester 在
硫酸 二氯甲烷 、
正庚烷 、
氮 作用下,
以
甲醇 为溶剂,
反应 106.0h,
以The product 4-{3-[(2,6-diisopropylphenylcarbamoyl)methyl]-2,4-dioxo-1,3-diaza-spiro[4.5]dec-1-yl}benzoic acid methyl ester is obtained in the form of fine white needles的产率得到4-{3-[(2,6-diisopropylphenylcarbamoyl)-methyl]-2,4-dioxo-1,3-diazaspiro[4.5]dec-1-yl}benzoic acid methyl ester