2S-amino-3-methyl-1-(4S-phenoxy-2S-phenoxymethyl-pyrrolidin-1-yl)-butan-1-one 在
N-甲基吗啉 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 16.17h,
以92%的产率得到{1S-[2-methyl-1S-(4S-phenoxy-2S-phenoxymethyl-pyrrolidine-1-carbonyl)-propylcarbamoyl]-ethyl}-carbamic acid tert-butyl ester