ethyl 5-benzamido-1-isopropyl-6-oxo-1,6-dihydropyrimidine-2-carboxylate 、 5-amino-1-(sec-butyl)-N-(1-isobutyl-2-(methylcarbamoyl)-6-oxo-1,6-dihydropyrimidin-5-yl)-6-oxo-1,6-dihydropyrimidine-2-carboxamide 在
lithium hydroxide monohydrate 、 (1-cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylaminomorpholinocarbenium hexafluorophosphate 作用下,
以
甲醇 、
N,N-二甲基甲酰胺 为溶剂,
反应 30.0h,
以55%的产率得到5-benzamido-N-(1-(sec-butyl)-2-((1-isobutyl-2-(methylcarbamoyl)-6-oxo-1,6-dihydropyrimidin-5-yl)carbamoyl)-6-oxo-1,6-dihydropyrimidin-5-yl)-1-isopropyl-6-oxo-1,6-dihydropyrimidine-2-carboxamide