cyclo--5-methylheptanoyl>oxy-3-oxo-2,5-dimethylhexanoyl>-L-leucyl>-L-prolyl-N-methyl-L-leucyl>-L-threonyl> 在
N-甲基吗啉 、
盐酸 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 10.0h,
生成 cyclo-N-L-lactyl-L-prolyl-N-methyl-D-leucine-
oxy-3-oxo-2,5-dimethylhexanoyl>-L-leucyl>-L-prolyl-N-methyl-L-leucyl>-L-threonyl>