Dimethylformamide → HCID 19811955, compound

Participants

Reaction Steps

4.26 g of 2-mercapto-5-(2-dimethylamino-1,3,4-oxadiazol-5-yl)-1,3,4-oxadiazole according to Example H2 are initially introduced into 40 ml of dioxane and stirred with 2.24 g of potassium t-butylate. 4 ml of dimethylformamide and then 4.2 g of 4-bromo-1,1,2-trifluorobut-1-ene are added and the mixture is stirred overnight at room temperature. The mixture is poured into water and the crystals are filtered off with suction. After drying and stirring with ether, 4.6 g of the title compound of melting point 87°-90° C. are obtained.

Provenance & Evidence