Methyl (E)-4,5:7,11:10,14-trianhydro-12-O-benzyl-8-hydroxy-15-O-(tert-butyldiphenylsilyl)-2,3,6,9,13-pentadeoxy-11-C-methyl-D-talo-L-altro-pentadec-2-enonate 在
camphor-10-sulfonic acid 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以70%的产率得到Methy (E)-4,8:7,11:10,14-trianhydro-12-O-benzyl-15-O-(tert-butyldiphenylsilyl)-2,3,6,9,13-pentadeoxy-11-C-methyl-D-talo-L-allo-pentadec-2-enonate