Title: CO2 conversion to phenyl isocyanates by uranium(vi) bis(imido) complexes

Journal Article · · ChemComm
DOI: https://doi.org/10.1039/c9cc07411b · OSTI ID:1631623

U(vi) trans-bis(imido) complexes [U(κ4{(tBu2ArO)2Me2-cyclam})(NPh)(NPhR)] react with CO2 to afford U(vi) trans-[O=U=NR]2+ complexes with elimination of isocyanates. Finally, these are unprecedented examples of CO2 cleavage mediated by U(vi) imido complexes.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1631623
Journal Information:
ChemComm, Journal Name: ChemComm Journal Issue: 3 Vol. 56; ISSN 1359-7345; ISSN 1364-548X
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

References (36)

Synthesis, Characterization, and Reactivity of a Uranium(VI) Carbene Imido Oxo Complex journal May 2014
Synthesis, Characterization, and Reactivity of a Uranium(VI) Carbene Imido Oxo Complex journal May 2014
Terminal Uranium(V/VI) Nitride Activation of Carbon Dioxide and Carbon Disulfide: Factors Governing Diverse and Well-Defined Cleavage and Redox Reactions journal January 2017
Benchmarking Density Functional Methods against the S66 and S66x8 Datasets for Non-Covalent Interactions journal November 2011
Small-Molecule Activation at Uranium(III) journal April 2013
Chemistry with ADF journal January 2001
The insertion of carbon dioxide into actinide alkyl and hydride bonds journal September 1985
Bispentamethylcyclopentadienyl uranium(IV) thiolate compounds. Synthesis and reactions with CO2 and CS2 journal May 1999
Uranium(III) Redox Chemistry Assisted by a Hemilabile Bis(phenolate) Cyclam Ligand: Uranium–Nitrogen Multiple Bond Formation Comprising a trans -{RN═U(VI)═NR} 2+ Complex journal September 2015
Managing the Computational Chemistry Big Data Problem: The ioChem-BD Platform journal December 2014
Aryl Isocyanate, Carbodiimide, and Isocyanide Prepared from Carbon Dioxide. A Metathetical Group-Transfer Tale Involving a Titanium−Imide Zwitterion journal January 2006
Anomalous One-Electron Processes in the Chemistry of Uranium Nitrogen Multiple Bonds journal August 2014
Preparation and Reactivity of the Versatile Uranium(IV) Imido Complexes U(NAr)Cl 2 (R 2 bpy) 2 (R = Me, t Bu) and U(NAr)Cl 2 (tppo) 3 journal August 2014
A Series of Uranium (IV, V, VI) Tritylimido Complexes, Their Molecular and Electronic Structures and Reactivity with CO 2 journal November 2014
Carbon Dioxide Reduction and Carbon Monoxide Activation Employing a Reactive Uranium(III) Complex journal August 2005
Exchange of an Imido Ligand in Bis(imido) Complexes of Uranium journal October 2006
Multimetallic Cooperativity in Uranium-Mediated CO 2 Activation journal April 2014
Imido Exchange in Bis(imido) Uranium(VI) Complexes with Aryl Isocyanates journal March 2008
Carbon Dioxide Activation with Sterically Pressured Mid- and High-Valent Uranium Complexes journal September 2008
From Amides to Amidines:  Preparations of Imidoylbenzotriazoles and Arylaminoheterocycles journal February 2001
Electronic Structure and Bonding in Actinyl Ions and their Analogs journal May 2007
Pendant Arm Functionalized Benzamidinate Titanium Imido Compounds:  Experimental and Computational Studies of Their Reactions with CO 2 journal May 2005
Insertion Reactivity of CO 2 , PhNCO, Me 3 CC≡N, and Me 3 CN≡C with the Uranium−Alkynyl Bonds in (C 5 Me 5 ) 2 U(C≡CPh) 2 journal February 2010
Carbon oxygenate transformations by actinide compounds and catalysts journal January 2017
Reductive disproportionation of carbon dioxide to carbonate and squarate products using a mixed-sandwich U( iii ) complex journal January 2008
Metal–ligand multiple bonding in uranium: structure and reactivity journal January 2010
Synthesis of ureas from titanium imido complexes using CO 2 as a C-1 reagent at ambient temperature and pressure journal January 2012
Controlling selectivity in the reductive activation of CO 2 by mixed sandwich uranium( iii ) complexes journal January 2014
CO 2 conversion to isocyanate via multiple N–Si bond cleavage at a bulky uranium( iii ) complex journal January 2015
Reactions of cyclopentadienyl-amidinate titanium imido compounds with CO2: cycloaddition-extrusion vs. cycloaddition-insertion journal January 2009
Uranium-mediated reductive conversion of CO2 to CO and carbonate in a single-vessel, closed synthetic cycle journal January 2012
Recent developments in actinide–ligand multiple bonding journal January 2013
Generalized Gradient Approximation Made Simple journal October 1996
Comment on “Generalized Gradient Approximation Made Simple” journal January 1998
A Linear, O-Coordinated  1-CO2 Bound to Uranium journal September 2004
Synthesis of Imido Analogs of the Uranyl Ion journal December 2005

Cited By (1)

Divergent uranium- versus phosphorus-based reduction of Me 3 SiN 3 with steric modification of phosphido ligands journal January 2020