Durante esta tesis doctoral se ha estudiado la síntesis y reactividad de una serie de complejos de metales de transición con ligandos de tipo carbeno N-heterocíclicos con anillos de 5 y 6 miembros. La química de los carbenos N-heterocíclicos (NHC) despierta un gran interés por su capacidad sigma dadora y la relativa facilidad con que se pueden...
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January 31, 2017 (v1)PublicationUploaded on: March 27, 2023
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December 29, 2017 (v1)Publication
Pyridinium 2-carboxylates decompose thermally in the presence of a variety of late transition metal precursors to yield the corresponding 2-pyridylidene-like complexes. The mild reaction conditions and structural diversity that can be generated in the heterocyclic ring make this method an attractive alternative for the synthesis of...
Uploaded on: March 27, 2023 -
January 9, 2018 (v1)Publication
The thermolyses of (tBuP(O)N)PtMe2 (1, tBuP(O)N = (di-tert-butylphosphinito)pyridine) and (tBuP(N–H)N)PtMe2 (3, tBuP(N–H)N = (di-tert-butylphosphino)-2-aminopyridine) in benzene-d6 were investigated. With (tBuP(O) N)PtMe2, the product of a rollover cyclometalation of the pyridyl ring was observed in 80% yield along with formation of CH4. In...
Uploaded on: March 27, 2023 -
October 5, 2022 (v1)Publication
Platinum(II) complex [Pt(It Bu0 )(It Bu)][BArF 4] (1a) is a highly active and selective catalyst in the dehydrocoupling of amines and silanes at part-per-million catalyst loadings (up to 10 ppm, 0.001 mol%), achieving the highest TON and TOF numbers reported in the literature (up to 1 mmol scale). NMR studies suggest a process taking place...
Uploaded on: March 24, 2023 -
September 21, 2018 (v1)Publication
Cationic five-coordinate Pt(IV) alkyl complexes stabilized by bulky N-heterocyclic carbenes have been isolated and fully characterized. Related species have been postulated as key intermediates in carbon–heteroatom coupling reactions and most particularly in Shilov-type chemistry. The alkyl groups exhibit a pronounced electrophilic character...
Uploaded on: March 27, 2023