(8S,10S,14R,20R)-tetrakis(tert-butyldimethylsilyloxy)-(7R,13S,15S,17R,21S)-pentamethyl-(22S)-((1S)-methylpenta-2,4-dienyl)oxacyclodocosa-3,5,11-trien-2-one 在
盐酸 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 4.5h,
以31%的产率得到(8S,10S,14R,20R)-tetrahydroxy-(7R,13S,15S,17R,21S)-pentamethyl-(22S)-((1S)-methylpenta-2,4-dienyl)oxacyclodocosa-3,5,11-trien-2-one