N,N'-(1S,2S)-diphenyl-ethyl-1,2-diylbis(3-aminomethylbenzamide) 、
benzyl N-[[3-[[(1S,2S)-1,2-diphenyl-2-[[3-[(phenylmethoxycarbonylcarbamothioylamino)methyl]benzoyl]amino]ethyl]carbamoyl]phenyl]methylcarbamothioyl]carbamate 在
4-二甲氨基吡啶 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
二氯甲烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 36.0h,
以29%的产率得到1-phenylmethoxy-N-[(14S,15S,35S,36S)-12,17,33,38-tetrahydroxy-25-[[hydroxy(phenylmethoxy)methylidene]amino]-14,15,35,36-tetraphenyl-3,5,13,16,24,26,34,37-octazapentacyclo[37.3.1.17,11.118,22.128,32]hexatetraconta-1(43),3,7(46),8,10,12,16,18,20,22(45),25,28(44),29,31,33,37,39,41-octadecaen-4-yl]methanimidic acid