Potassium Carbonate → HCID 21999985, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 2-amino-4-methyl-thiophene-3-sulfonamide (0.30 g), potassium carbonate (0.32 g), and isopropyl isothiocyanate (272 μl) in dry acetone (5 ml) under nitrogen was heated at 50-55° C. overnight. Then the solvent was evaporated and the residue was dissolved in water (15 ml); pH was adjusted to 2 by addition of 4 M hydrochloric acid, and the mixture was stirred for 30 min. The precipitated crystals were filtered off, rinsed with a small amount of water and dried to give 0.24 g (yield 54%) of the title compound; m.p. 118-120° C.

Provenance & Evidence