1-[N-(9-fluorenylmethyloxycarbonyl)-(1S)-amino-2-azidoethyl]-4-methyl-2,6,7-trioxabicyclo[2.2.2]octane 在
Lindlar's catalyst
氢气 作用下,
以
甲醇 为溶剂,
以100%的产率得到[(S)-2-Amino-1-(4-methyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-ethyl]-carbamic acid 9H-fluoren-9-ylmethyl ester