Fmoc-D-Ala-MeLeu-MeLeu-MeVal-OH 、
<(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)-6-octynoyl>-L-2-aminobutyryl-sarcosyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester 在
N-甲基吗啉 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 84.0h,
以47%的产率得到<(9-fluorenylmethyl)oxycarbonyl>-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl<(2S,3R,4R,6E)-3-hydroxy-4-methyl-2-(methylamino)-6-octenoyl>-L-2-aminobutyryl-sarcosyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester