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Synlett 1995; 1995(2): 161-162
DOI: 10.1055/s-1995-4889
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An Easy and Versatile Procedure for the Synthesis of N’-Trifluoromethylsulfonylurea (N’-Trifluoromethylsulfonylcarbamimidic Acid) Derivatives

A. García Martínez* , A. Herrera Fernández, F. Moreno Jiménez, P. Martínez Ruiz, L. R. Subramanian
  • *Departamento de Química Orgánica I, Facultad de Ciencias Químicas, Universidad Complutense, Ciudad Universitaria, 28040 Madrid, Spain
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Publication History

Publication Date:
31 December 2000 (online)

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A series of 2-alkenyl-, 2-alkyl-, 2-aryl-1,1-dimethyl-3-trifluoromethylsulfonyl-isoureas 9, 10 and 11, -thioisourea 12 and -guanidines 13 were prepared by the reaction of dimethylcyanamide 1 with triflic anhydride (Tf2O) followed by treatment with the corresponding ketones 4, alcohols or phenols 5 or 6, thiol 7 and aromatic amines 8.

N’-Sulfonylisoureas - N’-Sulfonylguanidines - N’-Sulfonylisothioureas - Herbicides

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