、 、
5,5-二甲基海因 、 、
环氧乙烷 、
sodium hydroxide 在
1-(2-Hydroxyethyl)-5,5-dimethylimidazolidine-2,4-dione 作用下,
以to form monohydroxyethyl dimethylhydantoin, or 1-(2-hydroxyethyl)-5,5-dimethylhydantoin [i.e., 1-(2-hydroxyethyl)-5,5-dimethyl-1,3-diazacyclopentane-2,4-dione], or MHEDMH (vi) [C7H12O3N2 =172 mol的产率得到1-(2-Hydroxyethyl)-5,5-dimethylimidazolidine-2,4-dione