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Synthesis 1991; 1991(9): 753-758
DOI: 10.1055/s-1991-26567
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Diphenyl N-Sulfamoylcarbonimidate - A Versatile Building Block in Heterocyclic Synthesis

Manfred Haake* , Bernd Schümmelfeder
  • *Institut für Pharmazeutische Chemie der Philipps-Universität Marburg, Marbacher Weg 6, D-3550 Marburg/Lahn, Germany
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Publication Date:
29 April 2002 (online)

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The title compound 3 has been prepared from diphenyl carbonate, phosphorus pentachloride and sulfamide 2. It appears to be a useful synthetic building block for acyclic and heterocyclic compounds containing the N-SO2-N-moiety, for example, 3-sulfamoylisoureas, 4-sulfamoylisosemicarbazides, 2-sulfamoylguanidines, imid-, ox- and thiazolidines, 1,2,6-thiadiazine 1,1-dioxides, 1,2,4,6-thiatriazine 1,1-dioxides.

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