(3R,3aR,6S,6aS)-6-fluoro-3,3-dimethoxy-hexahydro-furo[3,2-b]pyrrole 、 (S)-4-methyl-2-((S)-2,2,2-trifluoro-1-{4-[2-(4-methyl-piperazin-1-yl)-thiazol-4-yl]-phenyl}-ethylamino)-pentanoic acid hydrochloride 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55%的产率得到(S)-1-((3aS,6S,6aS)-6-fluoro-3,3-dimethoxy-hexahydro-furo[3,2-b]pyrrol-4-yl)-4-methyl-2-((S)-2,2,2-trifluoro-1-{4-[2-(4-methyl-piperazin-1-yl)-thiazol-4-yl]-phenyl}-ethylamino)-pentan-1-one