2024-03-29T06:04:47Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1658562020-03-23T12:20:13Zcom_10234_7053com_10234_9col_10234_8639
Repositori UJI
author
Kleinhans, George
author
Hansmann, Max M.
author
Guisado-Barrios, Gregorio
author
Liles, David C.
author
Bertrand, Guy
author
Bezuidenhout, Daniela
2017-02-06T10:59:37Z
2017-02-06T10:59:37Z
2016-11
KLEINHANS, George, et al. Nucleophilic T-shaped (LXL) Au (I)-Pincer Complexes: Protonation and Alkylation. Journal of the American Chemical Society, 2016, vol. 138, no 49, p. 15873-15876.
http://hdl.handle.net/10234/165856
https://doi.org/10.1021/jacs.6b11359
We report the synthesis and reactivity of unusual T-shaped (LXL)Au(I)-pincer complexes, based on a carbazole framework flanked by two mesoionic carbenes (MICs). In contrast to other Au(I) complexes, these complexes react with electrophiles. Protonation and alkylation occur either at the metal or the ligand, depending on steric factors. Of particular interest, protonation at gold leads to an unprecedented cationic Au(III) hydride, which gives a 1H NMR resonance at δ −8.34 ppm. The reactivity of this “hydride”, however, shows protic and not hydridic behavior.
eng
Copyright © 2016 American Chemical Society
Au(I) complexes
gold catalysis
Nucleophilic T-Shaped (LXL)Au(I)-Pincer Complexes: Protonation and Alkylation
info:eu-repo/semantics/article
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