2-[5-(溴甲基)吡啶-2-基]-5-甲基吡啶 、
7,14-diethyl-3-methylbenzo[1,2-g;4,5-g']dipteridine-2,4,9,11-(3H,7H,10H,14H)-tetraone 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以60%的产率得到4,15-Diethyl-8-methyl-19-[[6-(5-methylpyridin-2-yl)pyridin-3-yl]methyl]-4,6,8,11,15,17,19,22-octazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),2,5,10,12,16,21-heptaene-7,9,18,20-tetrone