2-bromo-5-(((trans)-4-(dimethylamino)cyclohexyl)(ethyl)amino)-4-methylthiophene-3-carboxylic acid 、
3-(aminomethyl)-2,6-dimethylpyridin-4(1H)-one hydrochloride 在
4-二甲氨基吡啶 、
N,N-二异丙基乙胺 、 bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate 作用下,
以
二甲基亚砜 为溶剂,
以26%的产率得到2-bromo-N-((2,6-dimethyl-4-oxo-1,4-dihydropyridin-3-yl)methyl)-5-(((trans)-4-(dimethylamino)cyclohexyl)(ethyl)amino)-4-methylthiophene-3-carboxamide