2011
DOI: 10.1002/anie.201101806
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Double CH Bond Activation of C(sp3)H2 Groups for the Preparation of Complexes with Back‐to‐Back Bisimidazolinylidenes

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Cited by 45 publications
(32 citation statements)
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“…2-(pentafluorophenyl)imidazolidines16 or imidazolidines17 have been employed. However, the generation of the respective Ag(NHC) salt or of the other NHC transfer reagents requires additional synthetic steps.…”
mentioning
confidence: 99%
“…2-(pentafluorophenyl)imidazolidines16 or imidazolidines17 have been employed. However, the generation of the respective Ag(NHC) salt or of the other NHC transfer reagents requires additional synthetic steps.…”
mentioning
confidence: 99%
“…6 The group also succeeded in the preparation of hydrophilic NHC-based complexes soluble in more sustainable solvents such as water or glycerol (Chart 1.7). [124][125][126][127][128][129] The complexes shown in Chart 1.7, which incorporate hydrophilic sulfonate groups, performed very well in the deuteration of arylpyridines, isomerization of allylic alcohols, Suzuki-Miyaura C-C coupling and transfer hydrogenation processes. More recently, the group has developed a synthetic procedure for the preparation of bis(NHC) ligands containing π-conjugated systems, as pyrene [144][145][146] and pyracene 147,148 (XV and XVI in Chart 1.9).…”
Section: 123mentioning
confidence: 99%
“…Recientemente nuestro grupo de investigación, ha preparado complejos de rodio e iridio basados en bis(imidazolinilidenos), empleando el correspondiente tetraazobiciclooctano neutro (o bis(imidazolidina)) como precursor del bis(NHC). 129 En esta caso particular, la formación del ligando bis(NHC) implica la doble activación C-H del grupo metileno de la bis(imidazolidina), lo cual es facilitado por la adición de una diolefina externa (1,5-diciclooctadieno o norbornadieno) que actúan como aceptor de átomos de hidrógeno. Sin embargo, esta metodología está limitada, ya que únicamente se pueden preparar los complejos bis(NHC) derivados de iridio y rodio.…”
Section: B) Cálculos Dftunclassified
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