tert-butyl 8-(1-methyl-4-nitro-1H-pyrazol-5-yl)-2,8-diazaspiro[4.5]decane-2-carboxylate 、 5-bromo-4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole 、
1,4-二氮杂环庚烷-1-甲酸叔丁酯 以gave tert-butyl 4-(4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5-yl)-1,4-diazepane-1-carboxylate as a pale yellow gum (197 mg, 91%)的产率得到tert-butyl 4-(4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazol-5-yl)-1,4-diazepane-1-carboxylate