(2E,4E,6E,10E)-(8R,9S)-9-Hydroxy-2,4,6,8-tetramethyl-11-tributylstannanyl-undeca-2,4,6,10-tetraenoic acid methyl ester 、 (4S,5R)-4-[(E,2S,3S)-3-[tert-butyl(dimethyl)silyl]oxy-7-iodo-2-methoxyoct-6-enyl]-5-[(2R,3R,4S,5S,6R)-4-[tert-butyl(dimethyl)silyl]oxy-2-methoxy-6-[(2R)-3-methoxy-2-triethylsilyloxypropyl]-3,5-dimethyloxan-2-yl]-1,3-dioxolan-2-one 在
双(乙腈)氯化钯(II) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 15.0h,
以86%的产率得到methyl (2E,4E,6E,8R,9R,10E,12E,16S,17S)-16-[tert-butyl(dimethyl)silyl]oxy-18-[(4S,5R)-5-[(2R,3R,4S,5S,6R)-4-[tert-butyl(dimethyl)silyl]oxy-2-methoxy-6-[(2R)-3-methoxy-2-triethylsilyloxypropyl]-3,5-dimethyloxan-2-yl]-2-oxo-1,3-dioxolan-4-yl]-9-hydroxy-17-methoxy-2,4,6,8,12-pentamethyloctadeca-2,4,6,10,12-pentaenoate