N-butyl-N-p-nitrocarbobenzyloxy-4-isocyanatoaniline 、 (4-nitrophenyl)methyl N-[(2R)-1-[[(1S,2R,18R,19R,22S,25R,28R,40S)-40-(2-adamantylcarbamoyl)-22-(2-amino-2-oxoethyl)-5,15-dichloro-48-[(2S,3R,4S,5S,6R)-4,5-dihydroxy-3-[(2S,4S,5S,6S)-5-hydroxy-4,6-dimethyl-4-[(4-nitrophenyl)methoxycarbonylamino]oxan-2-yl]oxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,18,32,35,37-pentahydroxy-20,23,26,42,44-pentaoxo-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),9,11,14,16,29(45),30,32,34(39),35,37,46,49-pentadecaen-19-yl]amino]-4-methyl-1-oxopentan-2-yl]-N-methylcarbamate 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
生成