(R)-methoxytrifluoromethylphenylacetyl chloride 、
(1S,8aR)-1-[(S)-7-((5R,6R,7R,7aR)-6,7-Dihydroxy-3-oxo-tetrahydro-pyrrolo[1,2-c]oxazol-5-yl)-1-hydroxy-heptyl]-hexahydro-oxazolo[3,4-a]pyridin-3-one 在
吡啶 作用下,
以2.5 mg的产率得到[(5R,6R,7R,7aR)-5-[(7S)-7-[(1S,8aR)-3-oxo-1,5,6,7,8,8a-hexahydro-[1,3]oxazolo[3,4-a]pyridin-1-yl]-7-[(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl]oxyheptyl]-3-oxo-6-[(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl]oxy-5,6,7,7a-tetrahydro-1H-pyrrolo[1,2-c][1,3]oxazol-7-yl] (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoate