(6S,7R,8S,9R,10S,E)-11-(tert-butyldimethylsilyloxy)-7-hydroxy-9-methoxy-1-(4-methoxybenzyloxy)-4,6,8,10-tetramethylundec-3-en-5-one 在
zinc(II) tetrahydroborate 作用下,
以
乙醚 、
二氯甲烷 为溶剂,
以78%的产率得到(5R,6S,7S,8S,9R,10S,E)-11-(tert-butyldimethylsilyloxy)-9-methoxy-1-(4-methoxybenzyloxy)-4,6,8,10-tetramethylundec-3-ene-5,7-diol