2-Hex-5-enoxyacetic acid 、 methyl (1R,2S)-2-ethenyl-1-[[(2S,4S)-4-hydroxypyrrolidine-2-carbonyl]amino]cyclopropane-1-carboxylate 在
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 3.25h,
以41%的产率得到methyl (1R,2S)-2-ethenyl-1-[[(2S,4S)-1-(2-hex-5-enoxyacetyl)-4-hydroxypyrrolidine-2-carbonyl]amino]cyclopropane-1-carboxylate