3-methyl-5-(tributylstannyl)-(2Z,4E)-pentadienenitrile 、
[(2R,3R,5R,7R,8R,9S)-7-[tert-butyl(dimethyl)silyl]oxy-9-[(E)-3-[2-[(2S)-4-[[(2S,3S,4S)-4-(dimethylamino)-5-methoxy-2,3-bis(triethylsilyloxy)pentanoyl]amino]butan-2-yl]-1,3-oxazol-4-yl]prop-2-enyl]-2-[(1S)-2-[(4S,5S,6R)-6-[(2R,3E,5E)-6-iodo-4,5-dimethylhexa-3,5-dien-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-1-methoxyethyl]-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以67%的产率得到[(2R,3R,5R,7R,8R,9S)-7-[tert-butyl(dimethyl)silyl]oxy-2-[(1S)-2-[(4S,5S,6R)-6-[(2R,3E,5E,7E,9Z)-10-cyano-4,5,9-trimethyldeca-3,5,7,9-tetraen-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl]-1-methoxyethyl]-9-[(E)-3-[2-[(2S)-4-[[(2S,3S,4S)-4-(dimethylamino)-5-methoxy-2,3-bis(triethylsilyloxy)pentanoyl]amino]butan-2-yl]-1,3-oxazol-4-yl]prop-2-enyl]-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate