[(2R,3R,4S,4aS,6S,7R,8aS)-6-methyl-3,4-bis(phenylmethoxy)-2-(phenylmethoxymethyl)-6-prop-2-enyl-3,4,4a,7,8,8a-hexahydro-2H-pyrano[3,2-b]pyran-7-yl] acetate 在
Schrock's molybdenum alkylidene 、
四氯化钛 、 lead(II) chloride 、
锌 、
二溴甲烷 作用下,
生成 (1S,3S,8R,10S,12R,13R,14S)-3-methyl-13,14-bis(phenylmethoxy)-12-(phenylmethoxymethyl)-2,7,11-trioxatricyclo[8.4.0.03,8]tetradec-5-ene