5-bromo-N,N-dimethyl-3-morpholinopyridin-2-amine 、
6-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine 、 在
silica gel 、
乙酸乙酯 、
甲醇 作用下,
以Isolated N6′,N6′,2-trimethyl-5′-morpholino-[3,3′-bipyridine]-5,6′-diamine as a brown residue in 69% yield的产率得到N6',N6',2-trimethyl-5'-morpholino-[3,3'-bipyridine]-5,6'-diamine