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Issue 19, 2008
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Synthesis and characterization of volatile liquid cobalt amidinates

Zhengwen Li,a  Don Kuen Lee,a  Michael Coulter,a  Leonard N. J. Rodrigueza  and  Roy G. Gordon*a 
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* Corresponding authors

a Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, USA
E-mail: gordon@chemistry.harvard.edu
Fax: +1 (617) 495-4923
Tel: +1 (617) 495-4017

Abstract

Three new volatile cobalt amidinate compounds were prepared: Co(tBuNC(R)NEt)2, R = Me, Et and n-Bu. They were characterized by elemental analysis, 1H NMR, X-ray structure analysis, melting point, vapor pressure, vaporization rate, thermal stability and chemical reactivity. They were found to evaporate cleanly without decomposition. Two of them are liquids at room temperature, allowing for more convenient preparation, handling and purification by distillation. They are highly reactive compounds that have been found to be suitable precursors for vapor deposition of cobalt metal, cobalt nitride and cobalt oxide. A new synthetic method allows for the facile and inexpensive preparation of large quantities of these compounds.

Graphical abstract: Synthesis and characterization of volatile liquid cobalt amidinates

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Publication details

The article was received on 15 Jan 2008, accepted on 07 Mar 2008 and first published on 14 Apr 2008


Article type: Paper
DOI: 10.1039/B800712H
Citation: Dalton Trans., 2008,0, 2592-2597
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    Synthesis and characterization of volatile liquid cobalt amidinates

    Z. Li, D. K. Lee, M. Coulter, L. N. J. Rodriguez and R. G. Gordon, Dalton Trans., 2008, 0, 2592
    DOI: 10.1039/B800712H

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