trans-1-tetradecen-1-ylboronic acid 、
[(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-11-(4-bromophenyl)-1,15-dihydroxy-19-(hydroxymethyl)-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-17-oxo-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate 在
2-双环己基膦-2',6'-二甲氧基联苯 、 palladium diacetate cesium fluoride 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.0h,
以35%的产率得到[(1S,3E,5S,9S,11S,15R,19R,21S,23E,24S)-1,15-dihydroxy-19-(hydroxymethyl)-23-(2-methoxy-2-oxoethylidene)-2,2-dimethyl-17-oxo-11-[4-[(E)-tetradec-1-enyl]phenyl]-6,12,18,25,26-pentaoxatricyclo[19.3.1.15,9]hexacos-3-en-24-yl] octanoate