(1S,5R,6R)-3-((E)-3-Methoxy-3-methyl-but-1-enyl)-5-triethylsilanyloxy-7-oxa-bicyclo[4.1.0]hept-3-en-2-one                                                                                                                                                              在
                                                                                                                                                                                 
triethylamine tris(hydrogen fluoride)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 72.25h,
                                                                                                                以87%的产率得到(1S,2S,3R,4S,6S,10S,11S,13S,15S,16R)-3,16-dihydroxy-11-[(E)-3-methoxy-3-methylbut-1-enyl]-10-(2-methoxypropan-2-yl)-5,14-dioxapentacyclo[9.5.0.02,8.04,6.013,15]hexadec-8-ene-7,12-dione