2-tert-butoxycarbonyl-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazine-6-carboxylic acid 、 (S)-2-amino-2-cyclohexyl-N-(5-(3,5-dimethylisoxazol-4-yl)pyridin-2-yl)acetamide 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
二氯甲烷 为溶剂,
反应 20.08h,
以41 mg的产率得到tert-butyl (S)-6-((1-cyclohexyl-2-((5-(3,5-dimethylisoxazol-4-yl)pyridin-2-yl)amino)-2-oxoethyl)carbamoyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate