benzyl 7-[(2S)-2-[(tert-butoxycarbonyl)amino]-3-(4-cyanophenoxy)propyl]-9-oxa-3,7-diazabicyclo[3.3.1]nonane-3-carboxylate 、
氢气 在
钯 silica 、
氯仿 、
甲醇 作用下,
以
乙醇 为溶剂,
以ammoniacal methanol (95:5), to yield the title compound 1.39 g (75%)的产率得到tert-butyl (1S)-2-(4-cyanophenoxy)-1-(9-oxa-3,7-diazabicyclo[3.3.1]non-3-ylmethyl)ethylcarbamate