(S)-2-{(S)-2-[(S)-2-((S)-2-Amino-6-benzyloxycarbonylamino-hexanoylamino)-6-benzyloxycarbonylamino-hexanoylamino]-6-benzyloxycarbonylamino-hexanoylamino}-6-benzyloxycarbonylamino-hexanoic acid benzyl ester 、
6-<(2S,3S)-2-hexadecyl-3-octadecanoyloxy-eicosanoylamino>-hexanoic acid benzyl ester 在
palladium on activated charcoal
N-羟基丁二酰亚胺 、
氢气 、
N,N'-二环己基碳二亚胺 作用下,
生成 N
2-
2-2-2-<6-<(2S,3S)-2-hexadecyl-3-octadecanoyloxy-eicosanoylamino>hexanoyl>-N6-(benzyloxycarbonyl)-L-lysyl>-N6-(benzyloxycarbonyl)-L-lysyl>-N6-(benzyloxycarbonyl)-L-lysyl>-N6-(benzyloxycarbonyl)-L-lysyne benzyl ester