(1aS,4S,4aS,5aR,8aS,8bR,9R,10bS,10cS)-10b-Hydroxy-4,8b,9,10c-tetramethyl-2,7-dioxo-3,4,4a,5,5a,7,8,8a,8b,9,10b,10c-dodecahydro-2H-1,6-dioxa-benzo[mno]aceanthrylene-1a-carbonitrile 在
吡啶 四氧化锇 作用下,
以
苯 为溶剂,
反应 168.0h,
以60%的产率得到(1aS,4S,4aS,5aR,8aS,8bR,9R,10S,10aR,10bS,10cS)-10,10a,10b-Trihydroxy-4,8b,9,10c-tetramethyl-2,7-dioxo-tetradecahydro-1,6-dioxa-benzo[mno]aceanthrylene-1a-carbonitrile