(+)-(2R,4bS,9aS,9bR,11aS)-2-[1-(benzyloxy)-1-methylethyl]-5,6,6a,7,9,9a,9b,10,11,11a-decahydro-4b-(hydroperoxy)-9a,9b-dimethyl-2H-[2]benzofuro[5,4-f][1]benzopyran-3,9(4bH)-dione 在
三苯基膦 作用下,
以
苯 为溶剂,
反应 3.0h,
以96%的产率得到(+)-(2R,4bS,9aS,9bR,11aS)-2-[1-(benzyloxy)-1-methylethyl]-5,6,6a,7,9,9a,9b,10,11,11a-decahydro-4b-hydroxy-9a,9b-dimethyl-2H-[2]benzofuro[5,4-f][1]benzopyran-3,9(4bH)-dione