oxybis(ethane-2,1-diyl) bis(6-chloronicotinate) 、
二乙二醇 在
sodium hydride 作用下,
生成
2,5,8,14,17,20-Hexaoxa-10,24-diaza-tricyclo[20.2.2.29,12]octacosa-1(24),9,11,22,25,27-hexaene-13,21-dione 、 2,5,8,14,17,20-Hexaoxa-12,24-diaza-tricyclo[20.2.2.2
10,13]octacosa-1(24),10,12,22,25,27-hexaene-9,21-dione