(2E,4E,6E)-8-(diethoxy-phosphoryl)-octa-2,4,6-trienoic acid ethyl ester 、
在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 1.25h,
以65 mg的产率得到ethyl (2E,4E,6E,8E,11S,12S)-12-[(4R,6S)-6-((2S,4S,5E,8R,10S,12R,14S,15E,18S,19E,22R)-25-(acetylamino)-2,4,8,10,12,14,18,22-octakis{[tert-butyl(dimethyl)silyl]oxy}pentacosa-5,15,19-trien-1-yl)-2-oxo-1,3-dioxan-4-yl]-11-{[tert-butyl(dimethyl)silyl]oxy}trideca-2,4,6,8-tetraenoate