、
8R,14R-bis(tert-butyldimethylsilanyloxy)-17-iodo-5S,7R,13S,15S-tetramethyl-heptadeca-3Z,16Z-dien-6S-ol 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 、
甲苯 为溶剂,
反应 0.33h,
以62%的产率得到7R,9-bis(tert-butyldimethylsilanyloxy)-6S-methylnona-2Z,4E-dienoic acid 3R,9R-bis(tert-butyldimethylsilanyloxy)-12-iodo-2R,8S,10S-trimethyl-1S-(1S-methylpent-2Z-enyl)-dodec-11Z-enyl ester