MC2-PEG4-Val-Ala-PABC-PNP 、 [(1R,2R,3R,3'R,11S,12R,14R,26R)-3'-(aminomethyl)-12-cyano-5-hydroxy-6-methoxy-7,21,30-trimethyl-27-oxospiro[17,19,28-trioxa-24-thia-13,30-diazaheptacyclo[12.9.6.13,11.02,13.04,9.015,23.016,20]triaconta-4(9),5,7,15,20,22-hexaene-26,1'-2,3,4,9-tetrahydropyrido[3,4-b]indole]-22-yl] acetate 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以26%的产率得到