tert-butyl 9-oxa-3,7-diazabicyclo[3.3.1]nonane-3-carboxylate 、
1-(3-chloropropionyl)-2,3-dihydro-1H-indole-5-carbonitrile 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
生成 tert-butyl 7-[3-oxo-3-(5-cyano-2,3-dihydro-1H-indol-1-yl)propyl]-9-oxa-3,7-diazabicyclo[3.3.1]nonane-3-carboxylate