4-(5-fluoro-2-(4-methylpiperazin-1-yl)thiazol-4-yl)benzoic acid dihydrochloride 、 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,
以60%的产率得到N-[(2S)-1-[(3aS,6R,6aR)-6-ethynyl-3,3-dimethoxy-3a,5,6,6a-tetrahydro-2H-furo[3,2-b]pyrrol-4-yl]-4-methyl-1-oxopentan-2-yl]-4-[5-fluoro-2-(4-methylpiperazin-1-yl)-1,3-thiazol-4-yl]benzamide