(3aR,5R,6S,6aR)-6-Allyloxy-5-((S)-1-methoxy-hex-5-enyl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole 在
titanium(IV) isopropylate 、
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
以82%的产率得到11-methoxy-2,2-dimethyl-3a,5,8,9,10,11,11a,12a-octahydro-3bH-1,3,4,12-tetraoxacyclodeca[a]pentalene