2S-amino-1-(2S-benzofuran-3-ylmethyl-pyrrolidin-1-yl)-3-methyl-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93%的产率得到{1S-[1S-(2S-benzofuran-3-ylmethyl-pyrrolidine-1-carbonyl)-2-methyl-propylcarbamoyl]-ethyl}-carbamic acid tert-butyl ester