(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