A process of the preparation of iminooxazolidines which comprises (a) reacting a urea alcohol of the formula ##STR1## X, Y, n and R are as defined, with a dehydrating agent to form an intermediate salt compound of the formula ##STR2## wherein X, Y, n and R are as previously defined and X.degree. is halogen or other salt forming anion and (b) reacting said salt compound with a base to form a compound of the formula ##STR3##
制备
亚胺噁唑啉的过程包括(a)将具有以下结构的
脲醇##STR1##(其中X、Y、n和R如定义)与脱
水剂反应,形成具有以下结构的中间盐化合物##STR2##(其中X、Y、n和R如前述定义,X.degree.为卤素或其他形成盐的阴离子),以及(b)将所述盐化合物与碱反应,形成具有以下结构的化合物##STR3##