在
bis-triphenylphosphine-palladium(II) chloride
三正丁基氢锡 作用下,
以
溶剂黄146 、
N,N-二甲基甲酰胺 为溶剂,
以66%的产率得到(1S,2R,18R,19R,22S,25R,28R,40S)-5,15-dichloro-48-[2-[(2S,3R,4S,5S,6S)-4-[[N-[4-chloro-3-(trifluoromethyl)phenyl]-C-hydroxycarbonimidoyl]amino]-3-[(2S,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[[hydroxy-[3-(trifluoromethyl)phenyl]methylidene]amino]oxan-2-yl]oxy-6-(C-hydroxycarbonimidoyl)-5-methoxyoxan-2-yl]oxyethoxy]-2,18,20,23,26,32,35,37,42,44-decahydroxy-22-(2-hydroxy-2-iminoethyl)-19-[[(2R)-1-hydroxy-4-methyl-2-(methylamino)pentylidene]amino]-7,13-dioxa-21,24,27,41,43-pentazaoctacyclo[26.14.2.23,6.214,17.18,12.129,33.010,25.034,39]pentaconta-3,5,8(48),9,11,14,16,20,23,26,29(45),30,32,34(39),35,37,41,43,46,49-icosaene-40-carboxylic acid