1-Alkyl-3-arylsulphonylureas have been synthesised by the reaction of sym-1,3-dialkylureas with aryl sulphonamides. The mixed sulphonylureas are formed in good yield by virtue of the symmetry possessed by the dialkylurea component.
R. Tull, R. C. O'Neill, E. P. McCarthy, J. J. Pappas and J. M. Chemerda, J. Chem. Soc. C, 1967, 701 DOI: 10.1039/J39670000701
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