马来酰亚胺基己酰-L-缬氨酸-L-瓜氨酸对氨基苄醇 对硝基苯基碳酸脂 、
Lurbinectedin metabolite M4 在
N,N-二异丙基乙胺 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 72.0h,
以29%的产率得到[4-[[(2S)-5-(carbamoylamino)-2-[[(2S)-2-[6-(2,5-dioxopyrrol-1-yl)hexanoylamino]-3-methylbutanoyl]amino]pentanoyl]amino]phenyl]methyl (1R,2R,3R,11S,12S,14R,26R)-22-acetyloxy-5,12-dihydroxy-6,6'-dimethoxy-7,21-dimethyl-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]-30-carboxylate