N,N-dimethyl-formamide T=130°C; Yield given;

1: With Cu2Cl2 in acetonitrile oligomerization; 2: With sodium carbonate in diethylene glycol dimethyl ether Elimination; Heating; Further byproducts given. Title compound not separated from byproducts;

sodium carbonate in diethylene glycol dimethyl ether T=115 - 130°C; other solvent; KineticsRate constantThermodynamic data;

T=180°C; 40 h; thermal decomposition in an evacuated, sealed ampoule; Product distribution;