(7SR,13SR)-15-(tert-butyldiphenylsilyloxy)-13-hydroxy-7-trifluoracetoxy-rac-labd-8-en-11-one 以
水 为溶剂,
生成 (S)-5-(tert-Butyl-diphenyl-silanyloxy)-3-hydroxy-1-((3S,4aS,8aS)-3-hydroxy-2,5,5,8a-tetramethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-3-methyl-pentan-1-one