2-butene-1,4-di-tert-butyldicarbonate 、
desmethyl azithromycin 在
tris-(dibenzylideneacetone)dipalladium(0) 、
1,4-双(二苯基膦)丁烷 溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 8.0h,
以92%的产率得到(3R,5R,6R,7S,8S,9R,12R,13R,14S,18R)-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-16-ethenyl-12-ethyl-5,13-dihydroxy-8-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,7,9,13,18-hexamethyl-11,15-dioxa-1-azabicyclo[12.3.1]octadecan-10-one