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Browsing by Author "Álvarez, Eleuterio"
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Aerobic Intramolecular Carbon-Hydrogen Bond Oxidation Promoted by Cu(I) Complexes
Álvarez, María; Molina, Francisco; Romero Fructos-Vázquez, Manuel
; Urbano Baena, Juan; Álvarez, Eleuterio; Sodupe, Mariona; Lledós, Agustí; Pérez Romero, Pedro José (Royal Society of Chemistry, 2020-09)
The oxidation of C–H bonds by copper centres in enzymes with molecular oxygen takes place in nature under ambient conditions. Herein we report a similar transformation in which under ambient pressure and temperature (1 ... -
Catalytic Nitrene Transfer To Alkynes: A Novel and Versatile Route for the Synthesis of Sulfinamides and Isothiazoles
Rodríguez, Manuel R.; Beltrán Martín, Álvaro; Mudarra, Ángel L.; Álvarez, Eleuterio; Maseras, Feliu; Díaz Requejo, María Mar; Pérez Romero, Pedro José (Wiley, 2017)
A novel transformation is reported for the reaction of terminal or internal alkynes with the nitrene precursor PhI=NTs (Ts=p-toluenesulfonyl) in the presence of catalytic amounts of Tp(Br3)Cu(NCMe) (Tp(Br3)=hydrotris(3,4 ... -
Copper(I)-Arene Complexes with a Sterically Hindered Tris(pyrazolyl)borate Ligand
Álvarez, María; Urbano Baena, Juan; Romero Fructos-Vázquez, Manuel; Álvarez, Eleuterio; Pérez Romero, Pedro José (Wiley-VCH Verlag, 2018)
A series of arene copper(I) complexes bearing the hydrotris(3-mesitylpyrazolyl)borate ligand (Tp(Ms)) of general formula Tp(Ms)Cu(arene) (arene = toluene, 1; nitrobenzene, 2; chlorobenzene, 3; and iodobenzene, 4) has been ... -
Copper-Induced Ammonia N-H Functionalization
Álvarez, María; Álvarez, Eleuterio; Romero Fructos-Vázquez, Manuel; Urbano Baena, Juan; Pérez Romero, Pedro José (Royal Society of Chemistry, 2016)
The activation of ammonia has been achieved with the aid of the TpMsCu core (TpMs = hydrotris(3-mesityl-pyrazolyl)borate). Complexes of the general composition TpMsCu(amine) (1–4) including the ammonia adduct TpMsCu(NH3) ... -
Functional-Group-Tolerant, Silver-Catalyzed N–N Bond Formation by Nitrene Transfer to Amines
Maestre Cera, Lourdes; Dorel, Ruth; Pablo, Óscar; Escofet, Imma; Sameera, W. M. C.; Álvarez, Eleuterio; Maseras, Feliu; Díaz Requejo, María Mar; Echavarren, Antonio M.; Pérez Romero, Pedro José (American Chemical Society, 2017)
Silver(I) promotes the highly chemoselective N-amidation of tertiary amines under catalytic conditions to form aminimides by nitrene transfer from PhI=NTs. Remarkably, this transformation proceeds in a selective manner ... -
Regioselective Formation of 2,5-Disubstituted Oxazoles Via Copper(I)-Catalyzed Cycloaddition of Acyl Azides and 1-Alkynes
Cano Rico, Israel; Álvarez, Eleuterio; Nicasio Jaramillo, María Carmen; Pérez Romero, Pedro José (American Chemical Society, 2011)
The reaction of 1-alkynes with acylazides in the presence of [Tpm*,BrCu(NCMe)]BF4 (Tpm*,Br = tris(3,5-dimethyl-4-bromopyrazolyl)methane) as the catalyst provides 2,5-oxazoles in moderate to high yields. This is a novel ... -
Stable N-heterocyclic carbene (NHC)-palladium(0) complexes as active catalysts for olefin cyclopropanation reactions with ethyl diazoacetate
Martín, Carmen; Molina, Francisco; Álvarez, Eleuterio; Rodríguez Belderraín, Tomás (Wiley-VCH Verlag, 2011)
The Pd(0) complexes NHCPdLn (NHC = N-heterocyclic carbene ligand; L = styrene for n = 2 or PR3 for n = 1) efficiently catalyze the olefin cyclopropanation using ethyl diazoacetate (EDA) as the carbene source with ... -
The Elusive Palladium-Diazo Adduct Captured: Synthesis, Isolation and Structural Characterization of [(ArNHC-PPh2)Pd(eta(2)-N2C(Ph)CO2Et)]
González Rull, Silvia; Álvarez, Eleuterio; Romero Fructos-Vázquez, Manuel; Rodríguez Belderraín, Tomás; Pérez Romero, Pedro José (Wiley, 2017)
The first example of a diazo palladium adduct is reported. The complexes [(ArNHC-PPh2) M(eta(N2C)-N-2(Ph) CO2Et)] (M = Ni, 3; M = Pd, 4; ArNHC-PPh2 = 3-(2,6-diisopropylphenyl)- 1-[(diphenylphosphino)ethyl] imidazol-2-ylidene) ...
