(2Z,4E,6R,7S)-7-[tert-butyl(dimethyl)silyl]oxy-9-[(4-methoxyphenyl)methoxy]-6-methylnona-2,4-dienoyl chloride 、 17-iodo-5S,7R,11S,13S,15S-pentamethyl-8R,14R-bis(triethylsilanyloxy)heptadeca-1,3Z,16Z-trien-6S-ol 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以71%的产率得到17-iodo-5S,7R,11S,13S,15S-pentamethyl-8R,14R-bis(triethylsilanyloxy)heptadeca-1,3Z,16Z-trien-6S-yl 7S-(tert-butyldimethylsilanyloxy)-9-(4-methoxybenzyloxy)-6R-methylnona-2Z,4E-dienoate