反应详情

Ethyl N-(5-thiazolylcarbonyl)pipecolinate is prepared as in Example 1, from 4.4 g of ethyl pipecolinate and 5.25 g of 5-chloroformylthiazole. 7.7 g of ethyl N8(5-thiazolylcarbonyl)pipecolinate are thus obtained in the form of brown oil. (Rf=0.51; thin layer chromatography on silica gel; eluent: 55/45 dichloromethane/ethyl acetate).