Two dicopper (II) complexes of general formula CuLX2 {L = 2, 5-diphenyl-3, 4(2-pyridyl) cyclopenta-2, 4-dien-1-one, X = Cl (1) or Br (2)} have been synthesized and characterized by elemental analysis, IR, UV-Vis spectroscopic methods. The crystal stru ...

2019

Cages vs. Prisms: Controlling the Formation of Metallosupramolecular Architectures with Ligand Side-Chains

Kay Severin, Rosario Scopelliti, Farzaneh Fadaei Tirani, Giacomo Cecot, Andrea Luca Ramorini, Ophélie Marie Planes, Martin Tim Doll

Metallosupramolecular assemblies of the general formula M2nLn can adopt prismatic or cage‐like structures. The factors controlling the aggregation number n and the geometry of the final assembly are still not fully understood. Here, we describe the synthes ...

2019

Synthesis of Organic Super-Electron-Donors by Reaction of Nitrous Oxide with N-Heterocyclic Olefins

Andrzej Sienkiewicz, Kay Severin, Rosario Scopelliti, Basile Curchod, Léonard Yannick Maurice Eymann, Farzaneh Fadaei Tirani, Yizhu Liu, Ophélie Marie Planes, Paul Varava, Andrei Shved

The reaction of nitrous oxide (N2O) with N-heterocyclic olefins (NHOs) results in cleavage of the N–O bond and formation of azo-bridged NHO dimers. The latter represent very electron-rich compounds with a low ionization energy. Cyclic voltammetry studies s ...

2019

Correction: Facile N-functionalization and strong magnetic communication in a diuranium(v) bis-nitride complex (vol 10, pg 3543, 2019)

Marinella Mazzanti, Ivica Zivkovic, Farzaneh Fadaei Tirani, Lucile Sylvie Danielle Chatelain, Luciano Barluzzi

Correction for Facile N-functionalization and strong magnetic communication in a diuranium(v) bis-nitride complex' by Luciano Barluzzi et al., Chem. Sci., 2019, DOI: ; 10.1039/c8sc05721d. ...

2019

Ethynylbenziodazolones (EBZ) as Electrophilic Alkynylation Reagents for the Highly Enantioselective Copper-Catalyzed Oxyalkynylation of Diazo Compounds

Rosario Scopelliti, Jérôme Waser, Lionel Schouwey, Farzaneh Fadaei Tirani, Durga Prasada Rao Hari, Verity Barber

Ethynylbenziodoxol(on)e (EBX) cyclic hypervalent iodine reagents are now established reagents for the alkynylation of radicals and nucleophiles, yet they present limited possibilities for further structure and reactivity modification. Herein, the first syn ...

2019

Functional Models of the Nickel Pincer Nucleotide Cofactor of Lactate Racemase

Matthew Wodrich, Xile Hu, Farzaneh Fadaei Tirani, Huijie Pan, Renyi Shi

A novel nickel pincer cofactor was recently discovered in lactate racemase. Reported here are three synthetic nickel pincer complexes that are both structural and functional models of the pincer cofactor in lactate racemase. DFT computations suggest the ip ...

Wiley-VCH Verlag GmbH2019

A catalytically active [Mn]-hydrogenase incorporating a non-native metal cofactor

Matthew Wodrich, Xile Hu, Farzaneh Fadaei Tirani, Huijie Pan

Nature carefully selects specific metal ions for incorporation into the enzymes that catalyse the chemical reactions necessary for life. Hydrogenases, enzymes that activate molecular H-2, exclusively utilize Ni and Fe in [NiFe]-, [FeFe]- and [Fe]-hydrogean ...

2019

Reversible Dihydrogen Activation and Hydride Transfer by a Uranium Nitride Complex

Marinella Mazzanti, Farzaneh Fadaei Tirani, Marta Falcone, Lok Nga Poon

Cleavage of dihydrogen is an important step in the industrial and enzymatic transformation of N2 into ammonia. The reversible cleavage of dihydrogen was achieved under mild conditions (room temperature and 1 atmosphere of H2) by the molecular uranium nitri ...

Wiley-VCH Verlag GmbH2018

A tetranuclear samarium(II) inverse sandwich from direct reduction of toluene by a samarium(II) siloxide

Marinella Mazzanti, Farzaneh Fadaei Tirani, Rory Patrick Kelly, Davide Toniolo

The dinuclear SmII complex, [Sm2L4(dme)] (L = OSi(OtBu)3), is easily obtained from the protonolysis reaction of [Sm{N(SiMe3)2}(thf)2] with HOSi(OtBu)3. This complex reacts slowly with toluene, resulting in the isolation of the triple-decker arene-bridged S ...

2018

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Farzaneh Fadaei Tirani

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Synthesis of Heteroaryl Triazenes via Rh(III)-catalyzed Annulation Reactions with Alkynyl Triazenes

Azo-MICs: Redox-Active Mesoionic Carbene Ligands Derived from Azoimidazolium Dyes

Crystalline Polymers Based on Dative Boron–Nitrogen Bonds and the Quest for Porosity

Highly‐Substituted 1,2,3‐Triazolines: a New Class of Solid State Emitters with Electrofluorochromic Behavior

Synthesis of aminyl biradicals by base-induced Csp3–Csp3 coupling of cationic azo dyes

Synthesis and Properties of 1-Acyl Triazenes

Double bridged mu(2)-Halide Cu (II) complexes for the electrocatalytic reduction of CO2

Cages vs. Prisms: Controlling the Formation of Metallosupramolecular Architectures with Ligand Side-Chains

Synthesis of Organic Super-Electron-Donors by Reaction of Nitrous Oxide with N-Heterocyclic Olefins

Correction: Facile N-functionalization and strong magnetic communication in a diuranium(v) bis-nitride complex (vol 10, pg 3543, 2019)

Ethynylbenziodazolones (EBZ) as Electrophilic Alkynylation Reagents for the Highly Enantioselective Copper-Catalyzed Oxyalkynylation of Diazo Compounds

Functional Models of the Nickel Pincer Nucleotide Cofactor of Lactate Racemase

A catalytically active [Mn]-hydrogenase incorporating a non-native metal cofactor

Reversible Dihydrogen Activation and Hydride Transfer by a Uranium Nitride Complex

A tetranuclear samarium(II) inverse sandwich from direct reduction of toluene by a samarium(II) siloxide

Synthesis of Azo Dyes from Mesoionic Carbenes and Nitrous Oxide

One-Pot Synthesis of Trisubstituted Triazenes from Grignard Reagents and Organic Azides

Inflating face-capped Pd6L8 coordination cages

Synthesis of Vinyl Triazenes by Palladium-Catalyzed Addition Reactions to Alkynyl Triazenes

Trimethylsilyl-Induced N–O Bond Cleavage in Nitrous Oxide-Derived Aminodiazotates