(S)-[5-amino-5-(4-hydroxymethyl-phenylcarbamoyl)-pentyl]-carbamic acid allyl ester 、
(S)-2-[11-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-undecanoylamino]-3-phenyl-propionic acid 在
2,4,6-三甲基吡啶 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 16.0h,
以36%的产率得到(2S,5S)-[5-{2-[11-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-undecanoylamino]-3-phenyl-propionylamino}-5-(4-hydroxymethyl-phenylcarbamoyl)-pentyl]-carbamic acid allyl ester