Synthesis and X-ray structure of an unexpected bidentate allene-aminocarbene complex of tungsten
Por:
López-Cortés J.G., Samano-Galindo A., Ortega-Alfaro M.C., Toscano A., Rudler H., Parlier A., Alvarez-Toledano C.
Publicada:
1 ene 2005
Resumen:
This contribution describes the results obtained from the alkylation reaction upon base-induced of propargyl bromide at nitrogen of Ferrocenyl-N-pentylaminocarbene of tungsten, chromium and molybdenum. This led to unexpected highly strained Fischer-type carbene complexes (5a-c) containing a bidentate allene-aminocarbene ligand. This is the first report of the ?2-allene Fischer carbene complexes. The structure of 5a was confirmed by an X-ray diffraction analysis. © 2005 Elsevier B.V. All rights reserved.
Filiaciones:
López-Cortés J.G.:
Instituto de Química, UNAM, Ciudad Universitaria, Circuito Exterior, Coyoacan C.P. 04510, Mexico, D.F., Mexico
Samano-Galindo A.:
Instituto de Química, UNAM, Ciudad Universitaria, Circuito Exterior, Coyoacan C.P. 04510, Mexico, D.F., Mexico
Ortega-Alfaro M.C.:
Departamento de Química Orgánica, Facultad de Química, UNAM, Mexico
Toscano A.:
Instituto de Química, UNAM, Ciudad Universitaria, Circuito Exterior, Coyoacan C.P. 04510, Mexico, D.F., Mexico
Rudler H.:
Laboratoire de Synthese Organique, UMR 761, Université P.M. Curie Paris, France
Parlier A.:
Laboratoire de Synthese Organique, UMR 761, Université P.M. Curie Paris, France
Alvarez-Toledano C.:
Instituto de Química, UNAM, Ciudad Universitaria, Circuito Exterior, Coyoacan C.P. 04510, Mexico, D.F., Mexico
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