1-((2R,4aR,6S,7R,8R,8aS)-6-Methoxy-8-nitro-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl)-ethanol 在
pyridinium chlorochromate 作用下,
以100%的产率得到1-[(2R,4aR,6R,7R,8R,8aS)-6-methoxy-8-nitro-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]ethanone