(2R,4S,4aS,5aR,10aS,11aR)-2-(2-Hydroxymethyl-allyl)-5a,9,9-trimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-4-ol 在
manganese(IV) oxide 作用下,
以
乙醚 为溶剂,
以82%的产率得到2-((2R,4S,4aS,5aR,10aS,11aR)-4-Hydroxy-5a,9,9-trimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalen-2-ylmethyl)-propenal