N,N'-[bis(2-aminoethyl)]-N,N'-dimethyl-1,3-propanediamine 、
Naphtho [1,2-b]furan-5,6-dicarboxylic anhydride 以
乙醇 、
甲苯 为溶剂,
以27%的产率得到3-[2-[3-[2-(2,4-Dioxo-11-oxa-3-azatetracyclo[7.6.1.05,16.010,14]hexadeca-1(16),5,7,9,12,14-hexaen-3-yl)ethyl-methylamino]propyl-methylamino]ethyl]-11-oxa-3-azatetracyclo[7.6.1.05,16.010,14]hexadeca-1(16),5,7,9,12,14-hexaene-2,4-dione