三甲基硅烷氰化甲烷 、 [(2S,3S,5S,7S,8S,9R)-2-[(1R,3R,4R,5S,6S,7E,9E,11E)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-1-methoxy-4,6,8,9-tetramethyl-13-oxotetradeca-7,9,11-trienyl]-9-[(E)-3-[2-[(2R)-4-[[(2R,3R,4R)-2,3-bis[[diethyl(propan-2-yl)silyl]oxy]-4-(dimethylamino)-5-methoxypentanoyl]amino]butan-2-yl]-1,3-oxazol-4-yl]prop-2-enyl]-7-[tert-butyl(dimethyl)silyl]oxy-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate 在
正丁基锂 作用下,
生成
[(2S,3S,5S,7S,8S,9R)-2-[(1R,3R,4R,5S,6S,7E,9E,11E,13Z)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-14-cyano-1-methoxy-4,6,8,9,13-pentamethyltetradeca-7,9,11,13-tetraenyl]-9-[(E)-3-[2-[(2R)-4-[[(2R,3R,4R)-2,3-bis[[diethyl(propan-2-yl)silyl]oxy]-4-(dimethylamino)-5-methoxypentanoyl]amino]butan-2-yl]-1,3-oxazol-4-yl]prop-2-enyl]-7-[tert-butyl(dimethyl)silyl]oxy-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate 、 [(2S,3S,5S,7S,8S,9R)-2-[(1R,3R,4R,5S,6S,7E,9E,11E,13E)-3,5-bis[[tert-butyl(dimethyl)silyl]oxy]-14-cyano-1-methoxy-4,6,8,9,13-pentamethyltetradeca-7,9,11,13-tetraenyl]-9-[(E)-3-[2-[(2R)-4-[[(2R,3R,4R)-2,3-bis[[diethyl(propan-2-yl)silyl]oxy]-4-(dimethylamino)-5-methoxypentanoyl]amino]butan-2-yl]-1,3-oxazol-4-yl]prop-2-enyl]-7-[tert-butyl(dimethyl)silyl]oxy-4,4,8-trimethyl-1,10-dioxaspiro[4.5]decan-3-yl] bis(2-trimethylsilylethyl) phosphate