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Small modifications on the co-ligands of complexes containing two coordinated hydrogen atoms can determine the elongated dihydrogen versus compressed dihydride nature of these species and therefore their chemical behavior. 2,6-diphenylpyridine favors the formation of the osmium(IV) cation [OsH2(C6H4pyPh)(PiPr3)2]+, whereas 2-phenoxy-6-phenylpyridine, which contains an oxygen atom between the heterocycle and one of the phenyl groups, stabilizes the osmium(II) elongated dihydrogen species [Os(C6H4pyOPh)(η2-H2)(PiPr3)2]+. In contrast to the latter, the former shows a marked tendency to undergo reductive elimination of the heterocycle.

Pertenece a



Eguillor, Beatriz -  Esteruelas, Miguel A. -  Lezáun, Virginia -  Oliván, Montserrat -  Oñate, Enrique - 

Id.: 70878026

Idioma: eng  - 

Versión: 1.0

Estado: Final

Palabras claveAgostic interactions - 

Tipo de recurso: Artículo  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: openAccess

Requerimientos técnicos:  Browser: Any - 

Relación: [References] MINECO/ICTI2013-2016/CTQ2014-52799-P
[References] Postprint
[References] https://doi.org/10.1002/chem.201605843
[References] Sí

Fecha de contribución: 17-ene-2018


* Chemistry - A European Journal 23(7): 1526-1530 (2017)
* 0947-6539
* 10.1002/chem.201605843
* 1521-3765

Otros recursos del mismo autor(es)

  1. Catalytic cyclization of o-alkynyl phenethylamines via osmacyclopropene intermediates: direct access to dopaminergic 3-benzazepines A novel osmium-catalyzed cyclization of o-alkynyl phenethylamines to give 3-benzazepines is reported...
  2. An Acyl-NHC osmium cooperative system: Coordination of small molecules and heterolytic B-H and O-H bond activation This is an open access article published under an ACS AuthorChoice License.
  3. Osmium(II)–bis(dihydrogen) complexes containing caryl,CNHC–chelate ligands: Preparation, bonding situation, and acidity The hexahydride complex OsH6(PiPr3)2 (1) reacts with the BF4-salts of 1-phenyl-3-methyl-1-H-benzimid...
  4. POP-rhodium-promoted C-H and B-H bond activation and C-B bond formation This is an open access article published under a Creative Commons Attribution (CC-BY) License.
  5. Azole assisted C-H bond activation promoted by an osmium-polyhydride: Discerning between N and NH This is an open access article published under a Creative Commons Attribution (CC-BY) License.

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