sodium methylate 、
(4E)-2α,15-Diacetoxy-8β-tigloyloxycostunolid 以
甲醇 为溶剂,
反应 0.08h,
以2 mg的产率得到(E)-2-Methyl-but-2-enoic acid (6E,10E)-(3S,3aR,4R,8S,11aR)-8-hydroxy-10-hydroxymethyl-3-methoxymethyl-6-methyl-2-oxo-2,3,3a,4,5,8,9,11a-octahydro-cyclodeca[b]furan-4-yl ester