Tetraethyl orthocarbonate → HCID 16749867, compound

Participants

Reaction Steps

3.60 g (18.4 mmol) 2-cyano-3-methyl-benzenesulfonamide and 5.29 g tetraethoxymethane (27.5 mmol) were heated to 160° C. slowly with stirring under removal of ethanol from the mixture. The mixture was cooled to room temperature. The residue was digerated with petrol ether, filtered and dried to afford 4.91 g (90% of theory) 2-Cyano-N-diethoxymethylene-3-methyl-benzene-sulfon-amide.

Provenance & Evidence