Applied Catalysis A: General, Vol.358, No.1, 49-53, 2009
Catalytic activity of silica gel in the synthesis of sulfonamides under mild and solvent-free conditions
Silica gel as a cheap, heterogeneous and reusable catalyst is effectively utilized for the preparation of sulfonamides via condensation of aliphatic and aromatic amines with sulfonyl chlorides under solvent-free conditions at room temperature. (C) 2009 Elsevier B.V. All rights reserved.