tert-butyl (4S)-5-[[(2R,3R,4R,5S,6S)-4,5-dihydroxy-2-methoxy-6-[[(2S)-5-[(2-methylpropan-2-yl)oxy]-1,5-dioxo-1-(prop-2-ynylamino)pentan-2-yl]carbamoyl]oxan-3-yl]amino]-5-oxo-4-(prop-2-ynoylamino)pentanoate 、
9,10-bis(azidomethyl)anthracene 在
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 78.0h,
以22%的产率得到tert-butyl 3-[(9S,12R,13R,15S,18S,41S,42R)-41,42-dihydroxy-13-methoxy-9-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropyl]-7,10,16,19-tetraoxo-14-oxa-3,4,5,8,11,17,20,23,24,25-decazaheptacyclo[25.6.6.212,15.13,6.122,25.028,33.034,39]tritetraconta-1(34),4,6(43),22(40),23,27(39),28,30,32,35,37-undecaen-18-yl]propanoate