(2R,3R,7S,10R)-7-[(2S,3E,5E,7E,9S,11R)-11-(1,3-dithian-2-yl)-2-methoxy-3,9-dimethyldodeca-3,5,7-trienyl]-2,3,10-trimethyl-1,4,6-trioxaspiro[4.5]decane 在
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
以71%的产率得到(8E,10E,12E)-(2R,5S,7S,14S,16R)-16-[1,3]Dithian-2-yl-5-hydroxy-7-methoxy-2,8,14-trimethyl-heptadeca-8,10,12-trienoic acid (1R,2R)-2-hydroxy-1-methyl-propyl ester