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    Synthesis 2012; 44(9): 1279-1292
    DOI: 10.1055/s-0031-1289749
    review
    © Georg Thieme Verlag Stuttgart · New York

    The Cyanamide Moiety, Synthesis and Reactivity

    Marie-Hélène Larraufie
    a  UPMC Université Paris 06, Institut Parisien de Chimie Moléculaire (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris, France
    ,
    Giovanni Maestri
    a  UPMC Université Paris 06, Institut Parisien de Chimie Moléculaire (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris, France
    ,
    Max Malacria
    a  UPMC Université Paris 06, Institut Parisien de Chimie Moléculaire (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris, France
    ,
    Cyril Ollivier
    a  UPMC Université Paris 06, Institut Parisien de Chimie Moléculaire (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris, France
    ,
    Louis Fensterbank*
    a  UPMC Université Paris 06, Institut Parisien de Chimie Moléculaire (UMR CNRS 7201), 4 place Jussieu, C. 229, 75005 Paris, France
    ,
    Emmanuel Lacôte*
    b  ICSN CNRS, Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France, Fax: +33(1)44277360; +33(1)69077247   Email:louis.fensterbank@upmc.fr   Email:emmanuel.lacote@icsn.cnrs-gif.fr
    › Author Affiliations
    Further Information

    Publication History

    Received: 17 January 2012

    Accepted after revision: 20 February 2012

    Publication Date:
    12 April 2012 (online)


    Abstract

    The cyanamide moiety provides many opportunities as a building block for the synthesis of nitrogen-containing heterocycles. This review discusses the reported methods for the preparation of alkyl- andN-acylcyanamides and illustrates their reactivity vis-à-vis nucleophilic additions, cycloadditions, radical chemistry and coordination chemistry.

    1Introduction

    2Biological Relevance of the Cyanamide Moiety

    3Access to Cyanamides

    3.1Cyanation of Amines

    3.2Palladium Catalysis

    3.3Deoxygenation of Isocyanates

    3.4Desulfurization of Thioureas

    4Reactivity of Cyanamides

    4.1Nucleophilic Additions

    4.2Cycloadditions

    4.3Additions to Carbonyl Groups

    4.4Chlorinations and Oxidations withtert-Butyl-N-chloro­cyanamide

    4.5Cyanamides as Radical Partners

    5Coordination Chemistry of Cyanamides

    6Conclusion

    Key words

    cyanamide - cyanation - nitrogen - heterocycles - nitrogen ligands