3-bromobenzofuran-5-carboxylic acid 、
(3R)-1-氮杂双环[2.2.2]辛烷-3-胺盐酸盐(1:1) 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
DMF (N,N-dimethyl-formamide) 为溶剂,
以93%的产率得到N-[(3R)-1-azabicyclo[2.2.2]oct-3-yl]-3-bromo-1-benzofuran-5-carboxamide