1,3-bis(5-bromopentyl)-5-nitro-1,2,3,4-tetrahydropyrimidine-2,4-dione 、
1,3-bis(5-ethylaminopentyl)-6-methyluracil 在
caesium carbonate 作用下,
以
乙腈 为溶剂,
反应 10.0h,
生成
31-methyl-7,22-diethyl-1,7,13,16,22,28-hexaazatricyclo[22,3,1,1(13,16)]tritriaconta-30-ene-15,29,32,33-tetraone 、 31-methyl-7,22-diethyl-1,7,13,16,22,28-hexaazatricyclo[22,3,1,1(13,16)]tritriaconta-30-ene-14,29,32,33-tetraone