6-amino-9-(4-aminobenzyl)-2-(butylamino)-9H-purin-8-ol 、
(2S,5S,8S,11S,14S,17R)-17-(tert-butoxycarbonylamino)-2,5,8,11-tetrakis(4-(tert-butoxycarbonylamino)butyl)-14-(tert-butoxymethyl)-4,7,10,13,16,24-hexaoxo-21-(palmitoyloxy)-23-oxa-19-thia-3,6,9,12,15-pentaazanonatriacontan-1-oic acid 在
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
以47%的产率得到(10S,13S,16S,19S,22S,25R)-10-(4-((6-amino-2-(butylamino)-8-hydroxy-9H-purin-9-yl)methyl)phenylcarbamoyl)-25-(tert-butoxycarbonylamino)-13,16,19-tris(4-(tert-butoxy carbonylamino)butyl)-22-(hydroxymethyl)-2,2-dimethyl-4,12,15,18,21,24-hexaoxo-3-oxa-27-thia-5,11,14,17,20,23-hexaazatriacontane-29,30-diyl dipalmitate