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1,2-Addition and cycloaddition reactions of niobium bis(imido) and oxo imido complexes

Journal Article · · Chemical Science
DOI:https://doi.org/10.1039/D0SC03489D· OSTI ID:1671349

Another slice of pi: the addition of a second π-donor ligand engenders 1,2-addition and [2 + 2] cycloaddition reactivity across Nb-imido and Nb-oxo bonds.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
National Institutes of Health (NIH); National Science Foundation (NSF); US Air Force Office of Scientific Research (AFOSR); USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1671349
Alternate ID(s):
OSTI ID: 1763681
Journal Information:
Chemical Science, Journal Name: Chemical Science Journal Issue: 42 Vol. 11; ISSN 2041-6520; ISSN CSHCBM
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United Kingdom
Language:
English

References (100)

Carboamination: Additions of Imine CN Bonds Across Alkynes Catalyzed by Imidozirconium Complexes journal October 2004
Z -Selective Semihydrogenation of Alkynes Catalyzed by a Cationic Vanadium Bisimido Complex journal March 2011
Reactivity of a Scandium Terminal Imido Complex Towards Unsaturated Substrates journal June 2011
Diamination of Olefins: Synthesis, Structures and Reactivity of Osmaimidazolidines journal November 2003
Direct Hydride/Silyl Exchange— Synthesis and X-ray Study of the Bis(silyl) Complex [Cp2NbH(SiCl3)2] journal February 2004
Group 5 Imides and Bis(imide)s as Selective Hydrogenation Catalysts journal April 2013
Selective transformations of organic compounds by imidozirconocene complexes journal November 2002
Synthesis and molecular structure of the niobocene sulphide dimer journal June 1984
Synthesis of a tris(pyrazolyl) borate-stabilized molybdenum alkylidene and its hydrolysis products. Crystal structures of TpMo(CH2C(Me)2Ph) (NAr)(O) and [TpMo(NAr)(O)]2O journal January 1995
Transition metal complexes containing organoimido (nr) and related ligands journal February 1980
Terminal chalcogenido complexes of zirconium: Syntheses and reactivity of Cp2*Zr(E)(NC5H5) (E = O, S, Se, Te) journal February 1997
Geminal coupling constants in methylene groups—III journal January 1969
Reactivity of terminal imido complexes of group 4–6 metals: Stoichiometric and catalytic reactions involving cycloaddition with unsaturated organic molecules journal March 2020
Reactivity of a low-valent chromium dinitrogen complex journal April 2011
Olefin metathesis journal August 2004
Titanium-Catalyzed Multicomponent Couplings: Efficient One-Pot Syntheses of Nitrogen Heterocycles journal August 2015
Facile Activation of Triarylboranes by Rhenium(V) Oxo Imido Complexes journal April 2020
Diverse Reactivity of a Rhenium(V) Oxo Imido Complex: [2 + 2] Cycloadditions, Chalcogen Metathesis, Oxygen Atom Transfer, and Protic and Hydridic 1,2-Additions journal July 2020
Small Molecule Activation Mediated by a Thorium Terminal Imido Metallocene journal July 2015
Synthesis, Cycloaddition, and Cycloreversion Reactions of Mononuclear Titanocene–oxo Complexes journal May 2016
Extreme π-Loading as a Design Element for Accessing Imido Ligand Reactivity. A CCC-NHC Pincer Tantalum Bis(imido) Complex: Synthesis, Characterization, and Catalytic Oxidative Amination of Alkenes journal August 2016
Computational Analysis of the Intramolecular Oxidative Amination of an Alkene Catalyzed by the Extreme π-Loading N-Heterocyclic Carbene Pincer Tantalum(V) Bis(imido) Complex journal May 2018
Dioxo-, Oxo-imido-, and Bis-imido-Molybdenum(VI) Complexes with a Bis-phenolate-NHC Ligand journal September 2019
Carbodiimide Synthesis via Ti-Catalyzed Nitrene Transfer from Diazenes to Isocyanides journal October 2019
Reactions and Applications of Titanium Imido Complexes journal November 2005
Catalytic Asymmetric Dihydroxylation journal December 1994
Terminal Titanium-Ligand Multiple Bonds. Cleavages of CO and CS Double Bonds with Ti Imido Complexes journal October 2004
Aryl Isocyanate, Carbodiimide, and Isocyanide Prepared from Carbon Dioxide. A Metathetical Group-Transfer Tale Involving a Titanium−Imide Zwitterion journal January 2006
Dihydrogen and Silane Addition to Base-Free, Monomeric Bis(cyclopentadienyl)titanium Oxides journal March 2007
Observation of Inductive Effects That Cause a Change in the Rate-Determining Step for the Conversion of Rhenium Azides to Imido Complexes journal October 2011
Carbon–Hydrogen Bond Activation, C–N Bond Coupling, and Cycloaddition Reactivity of a Three-Coordinate Nickel Complex Featuring a Terminal Imido Ligand journal November 2014
Stoichiometric and catalytic hydroamination of alkynes and allene by zirconium bisamides Cp2Zr(NHR)2 journal February 1992
Variable regiochemistry in the stoichiometric and catalytic hydroamination of alkynes by imidozirconium complexes caused by an unusual dependence of the rate law on alkyne structure and temperature journal April 1993
Terminal zirconium oxo complexes: synthesis, structure, and reactivity of (.eta.5-C5Me4R)2Zr(O)(NC5H4R') journal June 1993
Zirconium-Mediated Imine Metathesis. Synthesis of 2,4-Diaza-1-zirconiacyclobutanes and the Mechanism of Their Reactions with Imines and Alkynes journal March 1994
A Mechanistic Study of the Cycloaddition-Cycloreversion Reactions of Zirconium-Imido Complex Cp2Zr(N-t-Bu)(THF) with Organic Imines and Organic Azides journal January 1995
Cycloaddition and Cycloreversion Reactions of a Monomeric Ti(IV) Oxo Complex with Terminal and Internal Alkynes. A Reversible Oxametallacyclobutene/Hydroxoacetylide Interconversion journal May 1995
Room temperature generation of reactive intermediates Cp*Zr:O and Cp*2Zr:S: trapping reactions with unsaturated organic molecules and dative ligands journal August 1990
A reactive organometallic oxo intermediate, Cp*2Zr:O: generation and subsequent trapping reactions forming alkyne and nitrile addition products journal November 1989
Kinetics and mechanism of the insertion of olefins into niobium- and tantalum-hydride bonds: a study of the competition between steric and electronic effects journal May 1988
Generation, alkyne cycloaddition, arene carbon-hydrogen activation, nitrogen-hydrogen activation and dative ligand trapping reactions of the first monomeric imidozirconocene (Cp2Zr:NR) complexes journal December 1988
Methane and benzene activation via transient (tert-Bu3SiNH)2Zr:NSi-tert-Bu3 journal December 1988
The Niobaziridine−Hydride Functional Group:  Synthesis and Divergent Reactivity journal April 2003
Titanium Hydrazido and Imido Complexes:  Synthesis, Structure, Reactivity, and Relevance to Alkyne Hydroamination journal February 2004
A Fluorobenzene Adduct of Ti(IV), and Catalytic Carboamination to Prepare α,β-Unsaturated Imines and Triaryl-Substituted Quinolines journal December 2005
Synthesis and Characterization of Three-Coordinate Ni(III)-Imide Complexes journal August 2011
Z-Selective, Catalytic Internal Alkyne Semihydrogenation under H 2 /CO Mixtures by a Niobium(III) Imido Complex journal September 2011
Diniobium Inverted Sandwich Complexes with μ-η 66 -Arene Ligands: Synthesis, Kinetics of Formation, and Electronic Structure journal February 2013
Reaction of (Bisimido)niobium(V) Complexes with Organic Azides: [3 + 2] Cycloaddition and Reversible Cleavage of β-Diketiminato Ligands Involving Nitrene Transfer journal February 2014
Lewis Acid Triggered Reactivity of a Lewis Base Stabilized Scandium-Terminal Imido Complex: C–H Bond Activation, Cycloaddition, and Dehydrofluorination journal July 2014
An Unusally Diverse Array of Products Formed upon Carbonylation of a Dialkylniobium Complex journal August 2008
Uranium−Nitrogen Multiple Bonding: The Case of a Four-Coordinate Uranium(VI) Nitridoborate Complex journal April 2009
Structure and Reactivity of Chelating Imido−Amido Complexes of Tantalum. Mechanistic Studies on the Addition of Silanes to Ta−N Multiple Bonds journal December 1997
Reactivity of a Terminal Ti(IV) Imido Complex toward Alkenes and Alkynes:  Cycloaddition vs C−H Activation journal December 1998
Use of Steric Hindrance and a Metallacyclobutene Resting State to Develop Robust and Kinetically Characterizable Zirconium-Based Imine Metathesis Catalysts journal November 1998
Zirconium-Mediated Metathesis of Imines:  A Study of the Scope, Longevity, and Mechanism of a Complicated Catalytic System journal February 2000
Nitrene Metathesis and Catalytic Nitrene Transfer Promoted by Niobium Bis(imido) Complexes journal December 2015
Ti-Catalyzed Multicomponent Oxidative Carboamination of Alkynes with Alkenes and Diazenes journal October 2016
Bis(imido)vanadium(V)-Catalyzed [2+2+1] Coupling of Alkynes and Azobenzenes Giving Multisubstituted Pyrroles journal February 2019
Multicomponent Pyrazole Synthesis from Alkynes, Nitriles, and Titanium Imido Complexes via Oxidatively Induced N–N Bond Coupling journal February 2020
{2 + 2} Cycloaddition of Alkyne with Titanium−Imido Complex: Theoretical Study of Determining Factor of Reactivity and Regioselectivity journal January 2010
Catalytic Hydroamination of Alkynes and Norbornene with Neutral and Cationic Tantalum Imido Complexes journal July 2004
Methane Activation by Group VB Bis(imido) Complexes journal August 1994
Unusual [2 + 2] cycloaddition adducts of an imidovanadium complex with alkynes and ethene: conversion to .eta.3-1-azaallyl and ethenyl complexes journal May 1993
Generation of the highly reactive intermediates Cp*2Zr:O and Cp*2Zr:S: trapping reactions with alkynes, nitriles, and dative ligands journal February 1992
Pendant Arm Functionalized Benzamidinate Titanium Imido Compounds:  Experimental and Computational Studies of Their Reactions with CO 2 journal May 2005
Synthesis, Structures, and Reactions of Titanium, Scandium, and Yttrium Complexes of Diamino-bis(phenolate) Ligands:  Monomeric, Dimeric, Neutral, Cationic, and Multiply Bonded Derivatives journal January 2005
Synthesis of a Base-Free Titanium Imido and a Transient Alkylidene from a Titanocene Dinitrogen Complex. Studies on TiNR Hydrogenation, Nitrene Group Transfer, and Comparison of 1,2-Addition Rates journal July 2004
Reactions of Cyclopentadienyl-Amidinate Titanium Imido Compounds with CS 2 , COS, Isocyanates, and Other Unsaturated Organic Compounds journal February 2006
Halo, Alkyl, Aryl, and Bis(imido) Complexes of Niobium Supported by the β-Diketiminato Ligand journal July 2010
Synthesis, Characterization, and Reactions of Isolable (β-Diketiminato)niobium(III) Imido Complexes journal November 2010
Reactions of Cyclopentadienyl−Amidinate Titanium Hydrazides with CO 2 , CS 2 , and Isocyanates: Ti═N α Cycloaddition, Cycloaddition−Insertion, and Cycloaddition−NNR 2 Group Transfer Reactions journal March 2011
Reversible Addition of the Si–H Bond of Phenylsilane to the Sc═N Bond of a Scandium Terminal Imido Complex journal December 2012
Synthesis and Reactivity of Dioxazirconacyclohexenes: Development of a Zirconium–Oxo-Mediated Alkyne–Aldehyde Coupling Reaction journal March 2015
1,2-Addition versus σ-Bond Metathesis Reactions in Transient Bis(cyclopentadienyl)zirconium Imides: Evidence for a d 0 Dihydrogen Complex journal March 2008
A Cationic Imido Complex of Permethyltantalocene:  H 2 and Carbon−Hydrogen Bond Activation, [2 + 2] Cycloaddition Reactions, and an Unusual Reaction with Carbon Dioxide That Affords Coordinated Isocyanate journal February 1998
Dihydrogen Activation by Titanium Sulfide Complexes journal December 1999
Catalytic formal [2+2+1] synthesis of pyrroles from alkynes and diazenes via TiII/TiIV redox catalysis journal November 2015
Imido-osmium( viii ) compounds in organic synthesis: aminohydroxylation and diamination reactions journal January 2004
Phosphaazaallene and phosphinylimide complexes stemming from a terminal and four-coordinate titanium phosphinidene journal January 2003
Syntheses and structures of thermally stable diketiminato complexes of gold and copper journal January 2011
Catalytic nitrene transfer by a zirconium( iv ) redox-active ligand complex journal January 2011
Regioselective [2+2] and [4+2] cycloaddition reactivity in an asymmetric niobium(bisimido) moiety towards unsaturated organic molecules journal January 2015
Electron localization in a mixed-valence diniobium benzene complex journal January 2015
Photo-activation of d 0 niobium imido azides: en route to nitrido complexes journal January 2016
Group 5 chemistry supported by β-diketiminate ligands journal January 2016
Unusual κ1 coordination of a β-diketiminate ligand in niobium complexes journal January 2016
Niobium( IV ) sulphidohalides: preparation of Nb 2 X 4 S 3 and Nb 2 X 4 S 3 ·nL [X = Br or Cl; n= 4, L = NCMe, SMe 2 , or tetrahydrothiophene (tht); n= 2, L = PhSCH 2 CH 2 SPh]. Crystal and molecular structure of Nb 2 Cl 4 S 2 ·4tht journal January 1985
Cycloaddition reactions of titanium and zirconium imido, oxo and hydrazido complexes supported by tetraaza macrocyclic ligands ‡ journal January 1999
Novel double substrate insertion versus isocyanate extrusion in reactions of imidotitanium complexes with CO2: critical dependence on imido N-substituents † journal January 2001
The catalytic hydroamination of alkynes journal January 2003
Synthesis and reactivity of cationic niobium and tantalum methyl complexes supported by imido and β-diketiminato ligands journal January 2011
The structure and chemistry of tris(pentafluorophenyl)borane protected mononuclear nitridotitanium complexes journal January 2012
Carbon–fluorine bond cleavage in fluoroarenes via a niobium(iii) imido complex: from stoichiometric to catalytic hydrodefluorination journal January 2014
Si–H addition followed by C–H bond activation induced by a terminal thorium imido metallocene: a combined experimental and computational study journal January 2014
Mercury CSD 2.0 – new features for the visualization and investigation of crystal structures journal March 2008
ORTEP -3 for Windows - a version of ORTEP -III with a Graphical User Interface (GUI) journal October 1997
A short history of SHELX journal December 2007
Structure validation in chemical crystallography journal January 2009
Oxo and Imido Complexes of Rhenium and Molybdenum in Catalytic Reductions journal September 2008

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