NDLI: RuII, IrIII and OsII mesoionic carbene complexes: efficient catalysts for transfer hydrogenation of selected functionalities.

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RuII, IrIII and OsII mesoionic carbene complexes: efficient catalysts for transfer hydrogenation of selected functionalities.

Content Provider	Semantic Scholar
Author	Bolje, Aljoša Hohloch, Stephan Košmrlj, Janez Sarkar, Biprajit
Copyright Year	2016
Abstract	Pyridine-appended triazolylidene donors have been recently used as ligands in various homogeneous catalytic processes. We present here a new pyrimidine substituted triazolium salt which was prepared and used in the coordination to RuII and OsII. The new triazolium salt and the obtained complexes were characterized by multinuclear NMR spectroscopy. The molecular composition of the mentioned compounds was confirmed by positive ion electrospray ionization (ESI+) mass spectra. The new pyrimidyl containing complexes, as well as the related pyridyl-triazolylidene containing complexes, were applied in transfer hydrogenation reactions of carbonyls, alkenes, imines and nitroarenes. The pyrimidyl containing complexes reveal an over-all better activity in comparison to their pyridine bearing analogues. The studies of electronic effects of the ligands, as well as mechanistic insights for the reduction of nitrobenzene with three selected precatalysts are presented.
Starting Page	15983
Ending Page	15993
Page Count	11
File Format	PDF HTM / HTML
DOI	10.1039/C6DT01324D
PubMed reference number	27435159
Journal	Medline
Volume Number	45
Issue Number	40
Alternate Webpage(s)	http://pubs.rsc.org/en/content/articlepdf/2016/dt/c6dt01324d?page=search
Alternate Webpage(s)	https://doi.org/10.1039/C6DT01324D
Journal	Dalton transactions
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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