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Isocyanate and carbodiimide synthesis by nitrene-group-transfer from a nickel(II) imido complex
Daniel J Mindiola1, Gregory L Hillhouse
1Searle Chemistry Laboratory, Department of Chemistry, University of Chicago, Chicago, Illinois 60637, USA.
Chemical Communications (Cambridge, England)
|September 26, 2002
Abstract:
The imido complex (dtbpe)Ni(N(2,6-(CHMe2)2C6H3)) reacts with CO and CNCH2Ph with addition at the Ni-N bond to give (dtbpe)Ni(C,N:eta 2-C(O)N(2,6-(CHMe2)2C6H3)) and (dtbpe)Ni(C,N:eta 2-C(NCH2Ph)N(2,6-(CHMe2)2C6H3)); both complexes react further with CO to liberate the isocyanate and carbodiimide ligands with formation of (dtbpe)Ni(CO)2.