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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences


IMPACT FACTOR 2018: 0.961

CiteScore 2018: 0.91

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Source Normalized Impact per Paper (SNIP) 2018: 0.505

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1865-7117
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Volume 54, Issue 11

Issues

Carbene Adducts of Dimethylcadmium

Anthony J. Arduengo
  • Institut für Anorganische und Analytische Chemie, der Technischen Universität Carolo-Wilhelmina, D-38106 Braunschweig, Germany
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/ Jens R. Goerlicha
  • Institut für Anorganische und Analytische Chemie, der Technischen Universität Carolo-Wilhelmina, D-38106 Braunschweig, Germany
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/ Fredric Davidson
  • DuPont Science and Engineering Laboratory, Experimental Station, Wilmington Delaware 19880, USA
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/ William J. Marshall
  • DuPont Science and Engineering Laboratory, Experimental Station, Wilmington Delaware 19880, USA
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Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znb-1999-1102

The first examples of carbene-cadmium complexes are reported from the reactions of a variety of imidazol-2-ylidenes or imidazolin-2-ylidenes with dimethylcadmium. Four new carbene complexes are characterized by NMR spectroscopy (1H , 13C and 113Cd). The cadmium centers are strongly shifted downfield (100 -150 ppm) by interaction with the carbenes. X-ray structures are reported for three carbene-cadmium 1:1 adducts. The cadmium centers exhibit distorted trigonal-planar geometries in which the carbene ligands have an average 18.2 pm longer bond distance to cadmium compared to the methyl groups. The planes of cadmium coordination are twisted with respect to the plane of the imidazole ring. The more basic imidazolin-2-ylidene is shown to displace imidazol-2-ylidenes from the cadmium center.

Keywords : Carbene; Cadmium; Ylide; Carbene Complex; Imidazol-2-ylidene

About the article

Received: 1999-06-16

Published Online: 2014-06-02

Published in Print: 1999-11-01


Citation Information: Zeitschrift für Naturforschung B, Volume 54, Issue 11, Pages 1350–1356, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-1999-1102.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung.

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