11R,17R-bis(tert-butyldimethylsilanyloxy)-2S,10R,16S,18S,23,23-hexamethyl-9S-(1S-methylpent-2Z-enyl)-8,22,24-trioxabicyclo[19.3.1]pentacosa-3E,5Z,19E-trien-7-one 在
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
以3.7 mg的产率得到8S,10S,14R,20R-tetrahydroxy-7S,13S,15S,21S-tetramethyl-22S-(1S-methylpent-2Z-enyl)-3Z,5E,11E-trien-2-one