12-Methoxy-podocarpa-8.11.13-trien-19-oat 在
盐酸 、
silver trifluoroacetate 、
四氯化锡 作用下,
生成 (1S,4aS,10aS)-6-Methoxy-1,4a-dimethyl-7-((2R,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yl)-1,2,3,4,4a,9,10,10a-octahydro-phenanthrene-1-carboxylic acid