(1S,4R,6S,14S,18R)-14-amino-N-cyclopropylsulfonyl-18-[2-(4-cyclopropyl-1,3-thiazol-2-yl)-7-methoxy-8-methylquinolin-4-yl]oxy-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxamide 、
2-chloroethyl chloroformate 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,
生成