T=500°C; flash vacuum pyrolysis; Title compound not separated from byproducts;

in diphenylether T=268°C; 0.0666667 h; Microwave irradiation;

1: 2,2-dimethyl-5-lt;dimethylamino(phenylamino)methylenegt;-1,3-dioxane-4,6-dione T=600°C; Elimination; Rearrangement; Dismutation; flash vacuum pyrolysis; 2: ethanol in chloroform Addition; Heating;

T=700°C; Elimination; Cyclizatiion; Heatingflash vacuum pyrolysis;