methyl (4R)-4-[(2-chloroquinolin-3-yl)oxy]-L-prolinate hydrochloride 、 (S)-cyclopentyl-(trans-2-pent-4-en-1-ylcyclopentyloxy)carbonylamino-acetic acid 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以75%的产率得到methyl (4R)-4-(2-chloroquinolin-3-yloxy)-1-((2S)-2-cyclopentyl-2-(trans-2-pent-4-en-1-ylcyclopentyloxycarbonylamino)acetyl)-L-prolinate