(3R,4S)-4-氨基-3-甲氧基哌啶-1-羧酸叔丁酯 、 5-(trifluoromethyl)-1H-imidazole-2-carboxylic acid 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 、
1-羟基苯并三唑 以to obtain 0.67 g of the title compound as a white foamy substance (77%)的产率得到tert-Butyl cis(+/-)-4-{[(4-trifluoromethyl-1H-imidazol-2-yl)carbonyl]amino}-3-methoxypiperidine-1-carboxylate