Tert-butyl cis(+/-)-4-amino-3-ethoxypiperidine-1-carboxylate 、
4-chloro-5-methyl-1H-imidazole-2-carboxylic acid 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 在
4-二甲氨基吡啶 作用下,
以to obtain 0.23 g of the title compound as a pale yellow solid (43%)的产率得到tert-butyl cis-(+/-)-4-{[(4-chloro-5-methyl-1H-imidazol-2-yl)carbonyl]amino}-3-ethoxypiperidine-1-carboxylate