(3aS,4S,5aS,7R,7aR,10aR,10bR,10cS)-4,7-Bis-(tert-butyl-dimethyl-silanyloxy)-5a-hydroxy-2,2,9,9-tetramethyl-octahydro-1,3,8,10-tetraoxa-dicyclopenta[a,h]naphthalene-10b-carbonitrile 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成
(3aR,4S,5aS,7R,7aS,10aR,10bR,10cS)-4,5a,7-Trihydroxy-2,2,9,9-tetramethyl-octahydro-1,3,8,10-tetraoxa-dicyclopenta[a,h]naphthalene-10b-carbonitrile