Benzoic acid (1S,3R)-3-methoxy-1-(2-methyl-[1,3]dioxolan-2-yl)-5-oxo-pentyl ester 、
(4R,5R,7S,9R,10R)-5,9-Dimethoxy-7-(4-methoxy-benzyloxy)-4,10-bis-methoxymethoxy-2-methyl-dodec-11-en-3-one 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 Benzoic acid (1S,3S,5R,8R,9R,11S,13R,14R)-5-hydroxy-3,9,13-trimethoxy-11-(4-methoxy-benzyloxy)-8,14-bis-methoxymethoxy-6,6-dimethyl-1-(2-methyl-[1,3]dioxolan-2-yl)-7-oxo-hexadec-15-enyl ester 、 Benzoic acid (1S,3S,5S,8R,9R,11S,13R,14R)-5-hydroxy-3,9,13-trimethoxy-11-(4-methoxy-benzyloxy)-8,14-bis-methoxymethoxy-6,6-dimethyl-1-(2-methyl-[1,3]dioxolan-2-yl)-7-oxo-hexadec-15-enyl ester