反应详情

From 10 g. of ethyl 2,2-dimethyl-5-oxo-1-pyrrolidineacetate and 11 g. of cis-2-(2,6-dimethyl-1-piperidinyl)ethylamine, following the procedure of Example 9, there is obtained cis-N-[2-(2,6-dimethyl-1-piperidinyl)ethyl]-5,5-dimethyl-2-oxo-1-pyrrolidineacetamide as the hemihydrate; m.p. 94°-94.5° C. after recrystallization from isooctane.