(2S,3S)-2-[(2S,5S,6R,7S,8Z,10Z,12E)-7-[tert-butyl(dimethyl)silyl]oxy-5-hydroxy-6-methyltetradeca-8,10,12-trien-2-yl]-3-methyl-3,6-dihydro-2H-pyran-6-ol                                                                                                                                                              在
                                                                                                                                                                                 Celite   、                                                                                                  silver carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以80%的产率得到(5S,6S)-6-[(2S,5S,6R,7S,8Z,10Z,12E)-7-(tert-butyldimethylsilyloxy)-5-hydroxy-6-methyltetradeca-8,10,12-trien-2-yl]-5-methyl-5,6-1-dihydropyran-2-one