(1S,2R,4S,5R,8R,9R,10S,13R,14R,17S,18R,22S)-9-(hydroxymethyl)-4,5,9,13,20,20-hexamethyl-24-oxahexacyclo[15.5.2.01,18.04,17.05,14.08,13]tetracosane-2,10,22-triol 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以2.5 mg的产率得到(4S,4aS,5R,6aS,6bR,8aR,9R,10S,12aR,12bR,14bS)-4,5,10-Trihydroxy-9-hydroxymethyl-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydro-2H-picene-4a-carbaldehyde