[(1R,3R,6S,7S,9S,10S,11S,12R,13S,14R)-3,6,9,11,13,14-hexahydroxy-7,10-dimethyl-11-propan-2-yl-15-oxapentacyclo[7.5.1.01,6.07,13.010,14]pentadecan-12-yl] 1H-pyrrole-2-carboxylate 在
吡啶 、
三氯氧磷 作用下,
反应 0.25h,
以38%的产率得到[(1S,3S,6S,7R,9S,10S,11S,12R,13S,14R)-9,11,13,14-tetrahydroxy-7,10-dimethyl-11-propan-2-yl-15,16-dioxahexacyclo[7.5.1.13,6.01,6.07,13.010,14]hexadecan-12-yl] 1H-pyrrole-2-carboxylate