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School of Chemistry and Chemical Engineering

Queen's University Belfast
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Publications

 

View profiles on ORCID and Google Scholar:

 

tert-Butyl hydroperoxide mediated Wacker-type oxidations: taking advantage of hexafluoro-2-propanol for challenging substrates

Calum Maguire, Qun Cao, Selena C. L. Gilmer, Bill C. Hawkins,* Peter C. Knipe* and Mark J. Muldoon*

Org. Biomol. Chem., 2026, Link

Tandem continuous-flow α-C-H functionalization of pyrrolidine with aryl bromide-derived organolithium reagents

Lara J. Nolan, Ailbhe A. Ryan, Seán D Dempsey, Megan Smyth, Karen Fahey, Thomas S Moody, Scott Wharry, Paul Dingwall, David W. Rooney, Jillian M Thompson,* Mark J. Muldoon* and Peter C. Knipe*

 J Flow Chem., 2026, Link  

Ritter reactions in continuous flow catalysed by a solid-supported sulfonic acid catalyst

Lara J. Nolan, Ailbhe A. Ryan, Seán D Dempsey, Megan Smyth, Karen Fahey, Thomas S Moody, Scott Wharry, Paul Dingwall, David W. Rooney, Jillian M Thompson,* Mark J. Muldoon* and Peter C. Knipe*

Catal. Sci. Technol., 2026, 16, 1042. Link

Oxidation of Alcohols and Aldehydes with Peracetic Acid and a Mn(II)/Pyridin-2-Carboxylato Catalyst: Substrate and Continuous Flow Studies

Ailbhe A. Ryan, Seán D Dempsey, Megan Smyth, Karen Fahey, Thomas S. Moody, Scott Wharry, Paul Dingwall, David W. Rooney, Jillian M. Thompson,* Peter C. Knipe,* and Mark J. Muldoon*

ChemCatChem, 2024, 16, e202301709, Link

Liquid Structure of Ionic Liquids with [NTf2]− Anions, Derived from Neutron Scattering

Anne McGrogan, Jack Lafferty, Lauren O’Neill, Lucy Brown, J. Mark. Young, Peter Goodrich, Mark J. Muldoon, Leila Moura, Sarah Youngs, Terri-Louise Hughes, Sabrina Gärtner, Tristan G. A. Youngs, John D. Holbrey, and Małgorzata Swadźba-Kwaśny*

J. Phys. Chem. B. 2024, 128, 3220–3235

Insights into the Palladium(II)-Catalyzed Wacker-Type Oxidation of Styrene with Hydrogen Peroxide and tert-Butyl Hydroperoxide

Manting Mu,  Katherine L. Walker,  Goar Sánchez-Sanz,  Robert M. Waymouth*,  Cristina Trujillo*,  Mark J. Muldoon*  and  Max García-Melchor*

ACS Catal. 2024, 14, 1567-1574, Link

Water Co-catalysis in Aerobic Olefin Epoxidation Mediated by Ruthenium Oxo Complexes

Qun Cao, Martin Diefenbach, Calum Maguire, Vera Krewald,* Mark J. Muldoon,* Ulrich Hintermair*

Chemical Science, 2024, 15, 3104-3115. Link

Enhancing the performance for palladium catalysed tert-butyl hydroperoxide-mediated Wacker-type oxidation of alkenes

Matthew N. Blair, Meadhbh Murray-Williams, Calum Maguire, Clare L. Brown, Qun Cao, a Hongxin Chai, Yitong Li, Róisín L. O’Hagan, Paul Dingwall, Panagiotis Manesiotis, Catherine L. Lyall, John P. Lowe, Ulrich Hintermair, Peter C. Knipe and Mark J. Muldoon *

Catal. Sci. Technol., 2023, 13, 6224-6232 Link

Continuous-flow transfer hydrogenation of benzonitrile using formate as a safe and sustainable source of hydrogen

S. D. Dempsey, A. A. Ryan, M. Smyth, T. S. Moody, S. Wharry, K. Fahey, A. M. Beale, S. Mediavilla Madrigal, P. Dingwall, D. W. Rooney, P. C. Knipe,* M J. Muldoon * and J. M. Thompson*

React.Chem.Eng., 2023, 8, 1559-1564.

Continuous Flow Epoxidation of Alkenes Using a Homogeneous Manganese Catalyst with Peracetic Acid

A.A. Ryan, S. Dempsey, M. Smyth, K. Fahey, T. Moody, S. Wharry, P. Dingwall, D. Rooney, P.C. Knipe*,  J. Thompson,* and M.J. Muldoon*

Org. Process Res. Dev. 2023, 27, 262–268. Link

Molecularly Imprinted Polymers for (Thio)urea Organocatalyst Recovery and Recycling

F. Pessagno, M. Blair, M. J. Muldoon*, and P. Manesiotis*

ACS Appl. Polym. Mater. 2022, 4, 10, 7770–7777. Link

Comparison of three stationary phases in the separation of polyphenyls by liquid chromatography

C.L. Brown, L.M. Dornan, M.J. Muldoon*, R.T. Hembre, P.J. Stevenson*, P. Manesiotis*, Journal of Chromatography A 1671 (2022) 462994. Link 

Green Oxidative Synthesis of Nitriles

Laura M. Dornan, Qun Cao and Mark J. Muldoon, Chapter 7 in “Green Oxidation in Organic Synthesis”  Editor(s): Ning Jiao and Shannon S. Stahl,  Print ISBN:9781119304166 |Online ISBN:9781119304197 DOI:10.1002/9781119304197 © 2019 John Wiley & Sons Ltd. Link 

Cationic Palladium(II) Complexes for Catalytic Wacker-Type Oxidation of Styrenes to Ketones using O2 as the Sole Oxidant

Hongxin Chai, Qun Cao, Laura M. Dornan,  N. Louise Hughes,  Clare L. Brown,  Peter Nockemann,  Jiarong Li and Mark J. Muldoon*, Eur. J. Inorg. Chem, 2017, 5604. Link 

Recent Developments in Catalytic Alcohol Oxidation Using Nitroxl Radicals

Laura M. Dornan, N. Louise Hughes and Mark J. Muldoon*, in Science of Synthesis: Catalytic Oxidation in Organic Synthesis, 2017, 1, 529. Link

Mechanism of Catalytic Oxidation of Styrenes with Hydrogen Peroxide in the Presence of Cationic Palladium(II) Complexes

Katherine L. Walker, Laura M. Dornan, Richard N. Zare, Robert M. Waymouth*, and Mark J. Muldoon*, J. Am. Chem. Soc., 2017, 139, 12495. Link

 

Palladium(II) Catalysed Oxidative Aminocarbonylation for the Synthesis of 2-Ynamides: Addressing the Challenges of Solvents and Gas Mixtures

picture2

N.L. Hughes, C.L. Brown, A. A. Irwin, Q. Cao and M. J. Muldoon*,  ChemSusChem, 2017, 10, 675. Link

 

Using Chiral Ionic Liquid Additives to Enhance Asymmetric Induction in a Diels-Alder Reaction

P. Goodrich*,  H. Q. Nimal Gunaratne, L. Hall, Y. Wang, L. Jin,  M.J . Muldoon*, A.P.C. Ribeiro, A. J .L. Pombeiro,  V. I. Pârvulescu, P. Davey and C. Hardacre* Dalton Trans, 2017, 46, 1704. Link  

 

Synthesis of 2-Alkynoates via Pd(II)-Catalyzed Oxidative Carbonylation of Terminal Alkynes and Alcohols

carbonyl graph abs

Q. Cao, N.L. Hughes and M.J. Muldoon*, Chem. Eur. J., 2016, 22, 11982 Link

Cationic Palladium(II) Complexes as Catalysts for the Oxidation of Terminal Olefins to Methyl Ketones using Hydrogen Peroxide

wacker abs

Q. Cao, D.S. Bailie, R. Fu and M.J. Muldoon*, Green Chem.,2015, 17, 2750. Link

Palladium-Catalyzed Oxidative Synthesis of Highly Functionalized Ortholactones

ortholcatone abs

K. L. Baddeley, Q. Cao, M. J. Muldoon* and M. J. Cook,* Chem. Eur. J., 2015, 21, 7726.   Link

A Highly Efficient Palladium(II)/Polyoxometalate Catalyst System for Aerobic Oxidation of Alcohols

pum abs

L.M. Dornan and M. J. Muldoon*, Cat. Sci. Technol., 2015, 5, 1428.  Link

The development of new N,O-ligated Pd(II) complexes that are highly active catalysts for the selective oxidation of alcohols:

NO ligands

L.M. Dornan, G.M.A. Clendenning, M.B. Pitak, S.J. Coles and M.J. Muldoon*, Cat. Sci. Technol., 2014, 4, 2526.  Link

And D.S. Bailie, G.M.A. Clendenning, L. McNamee and M.J. Muldoon*, Chem. Commun., 2010, 46, 7238.  Link

An efficient Cu(II)-bis(oxazoline)-based polymer immobilised ionic liquid phase catalyst for asymmetric carbon–carbon bond formation

copper

S. Doherty, J. G. Knight, J. R. Ellison, P. Goodrich, L. Hall, C. Hardacre, M. J. Muldoon, S. Park, A. Ribeiro, C. A. N. de Castro, M. J. Lourenço and P. Davey, Green Chemistry, 2014, 16, 1470.  Link

Aerobic oxidation catalysis with stable radicals

abstract TOC pic

Q. Cao, L. M. Dornan, L. Rogan, N. L. Hughes,  and M.J. Muldoon, Chem. Commun., 2014, 50, 4524. Link

Copper(I)/ketoABNO catalysed aerobic alcohol oxidation

abno

L. Rogan, N. L. Hughes, Q. Cao, L. M. Dornan and M.J. Muldoon, Cat. Sci. Technol., 2014, 4, 1720 .Link

Copper/TEMPO Catalysed Synthesis of Nitriles from Aldehydes or Alcohols using Aqueous Ammonia and with Air as the Oxidant

nitrile

L.M. Dornan, Q. Cao, J.C.A. Flanagan, J.J. Crawford, M.J. Cook* and M.J. Muldoon,* Chem. Commun., 2013, 49, 6030.  Link

The synthesis of N-heterocycles via copper/TEMPO catalysed aerobic oxidation of amino alcohols

n hetero

J.C. A. Flanagan, L. M. Dornan, M. G. McLaughlin, N. G. McCreanor, M.J. Cook* and M. J. Muldoon*,  Green Chemistry, 2012, 14, 128. Link

Influence of Ionic Liquids on the Crystalline Stricture of Nanocolloids, Chen. M.J. Muldoon, K. Anderson and P. André, CrystEngComm, 2011, 13, 3330.

Continuous flow hydroformylation using supported ionic liquid phase catalysts with carbon dioxide as a carrier, U. Hintermair, Z. Gong, A. Serbanovic, M.J. Muldoon, C.C. Santini and D. J. Cole-Hamilton,  Dalton Transactions, 2010, 39, 8501.

Modern multiphase catalysis: new developments in the separation of homogeneous catalysts, M.J. Muldoon*, Dalton Transactions, 2010, 39, 337. (Special “New Talent” issue and article which received journal cover)

dalton

Notes on the Asymmetric Hydrogenation of Methyl Acetoacetate in Neoteric Solvents,T. Floris, P. Kluson, M.J. Muldoon and H Pelantova, Catalysis Letters, 2010, 134, 279.

Solventless continuous flow homogeneous hydroformylation of 1-octene, A.C. Frisch, P.B. Webb, G. Zhao, M.J. Muldoon, P.J. Pogorzelec and D.J. Cole-Hamilton, Dalton Transactions, 2007, 5531.

Improving carbon dioxide solubility in ionic liquids
M.J. Muldoon, S.N.V.K. Aki, J.L. Anderson, J.K. Dixon and J.F. Brennecke, Journal of Physical Chemistry B, 2007, 111, 9001.

Supported ionic liquid phase catalysis with supercritical flow, U. Hintermair, G. Zhao, C. Santini-Scampucci, M.J. Muldoon and D.J. Cole-Hamilton; Chemical Communications, 2007, 462.

Liquid phase behavior of ionic liquids of different cation types with alcohols:  experimental studies and modelling
J.M. Crosthwaite, M.J. Muldoon, S.N.V.K. Aki, E.J. Maginn and J.F. Brennecke, Journal of Physical Chemistry B, 2006, 110, 9354.

Solvent strength of ionic liquid/CO2 mixtures
C.P. Fredlake, M.J. Muldoon, S.N.V.K. Aki, T. Welton and J.F. Brennecke; Physical Chemistry Chemical Physics, 2004, 6, 3280.

Synthesis of gel-type polymer beads from ionic liquid monomers M.J. Muldoon and C.M. Gordon, Journal of Polymer Science Part A-Polymer Chemistry, 2004, 42, 3865.

Bimolecular rate constants for diffusion in ionic liquids
A.J. McLean, M.J. Muldoon, C.M. Gordon and I.R. Dunkin
Chemical Communications, 2002, 1880.

Hydrogen abstraction from ionic liquids by benzophenone triplet excited states
M.J. Muldoon, A.J. McLean, C.M. Gordon and I.R Dunkin
Chemical Communications 2001, 2364.

Investigations of solvent-solute interactions in room temperature ionic liquids using solvatochromic dyes
M.J. Muldoon, C.M.Gordon and I.R. Dunkin
Journal of Chemical Society, Perkin Transactions 2; 2001,433.

Ionic liquids: polar, but weakly coordinating solvents for the first biphasic oligomerisation of ethene to higher alpha-olefins with cationic Ni complexes
P. Wasserscheid, C.M. Gordon, C. Hilgers, M.J. Muldoon and I.R. Dunkin, Chem. Commun., 2001, 1186.

Book Chapters:

Selective Palladium-Catalysed Aerobic Oxidation of Alcohols L.J. Durndell, A. F. Lee, D. S. Bailie and M. J. Muldoon, in Transition Metal Catalysis in Aerobic Alcohol Oxidation, F. Cardona, C. Parmeggiani (Eds.),  Royal Society of Chemistry, 2014

Catalysis in Ionic Liquid-Supercritical CO2 Systems, M.J. Muldoon, In Catalysis in Ionic Liquids – From Catalyst Synthesis to Application, C. Hardacre, V.Parvulescu (Eds.), Royal Society of Chemistry, 2014

Synthesis of Ionic Liquids in  Ionic Liquids in Synthesis 2nd Edition, C.M. Gordon and M.J. Muldoon, P. Wassercheid and T. Welton (Eds.), Wiley-VCH, Weinheim.,  2007.

Editorships:

“Crystal Engineering with Ionic Liquids” Special Issue in CrystEngComm, 2012,14, 4873.

Editors: Mark J. Muldoon, Peter Nockemann and M. Cristina Lagunas

Patent:

Aminopyridnium ionic liquids

M.J. Muldoon, J.F. Brennecke, E.J. Maginn, E. Scriven, C.H. Mcateer and R. Murgugan. US patent, Issue date: March 30th , 2010 Patent Number: US 7,687,513 B1 (Status: Licensed to Vertellus)

Copyright © 2026 · Mark Muldoon

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