2,2-Dimethyl-propionic acid (2E,4Z)-5-{(2R,3S,4S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-3-methyl-tetrahydro-pyran-2-yl}-4-methyl-penta-2,4-dienyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
以73%的产率得到2,2-Dimethyl-propionic acid (2E,4Z)-5-[(2R,3S,4S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-(2-hydroxy-ethyl)-3-methyl-tetrahydro-pyran-2-yl]-4-methyl-penta-2,4-dienyl ester