Search Results - "Smyth, Catherine H"

Electron-Rich, Bicyclic Biaryl-Like KITPHOS Monophosphines via [4+2] Cycloaddition between 1-Alkynylphosphine Oxides and Anthracene: Highly Efficient Ligands for Palladium-Catalysed CN and CC Bond Formation by Doherty, Simon, Knight, Julian G., Smyth, Catherine H., Jorgenson, Graeme A.

“…Electron‐rich, bicyclic biaryl‐like KITPHOS monophosphines have been prepared via Diels–Alder cycloaddition between 1‐alkynylphosphine oxides and anthracene in…”
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Synthesis of Biaryl Diphosphines via a Stepwise Regioselective Double Diels−Alder Cycloaddition−Elimination Sequence: Efficient Ligands for the Palladium-Catalyzed Amination of Aromatic Bromides by Doherty, Simon, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…Tropos and atropos biaryl diphosphines have been prepared in a stepwise, highly regioselective double Diels−Alder cycloaddition−elimination sequence between…”
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Asymmetric Platinum Group Metal-Catalyzed Carbonyl-Ene Reactions:  Carbon−Carbon Bond Formation versus Isomerization by Doherty, Simon, Knight, Julian G, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…A comparative study of the carbonyl-ene reaction between a range of 1,1‘-disubstituted or trisubstituted alkenes and ethyl trifluoropyruvate catalyzed by Lewis…”
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Highly Enantioselective Synthesis of Pseudo-C 2-Symmetric Axially Chiral Biaryl Diphosphines via Rhodium-Catalyzed Double [2 + 2 + 2] Cycloaddition by Doherty, Simon, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…Cationic rhodium complexes based on (R)-BINAP catalyze the sequential double [2 + 2 + 2] cycloaddition between 1,4-bis(diphenylphosphinoyl)buta-1,3-diyne and…”
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Synthesis of an electron-rich KITPHOS monophosphine, preparation of derived metal complexes and applications in catalysis by Doherty, Simon, Smyth, Catherine H, Knight, Julian G, Hashmi, Stephen A K

“…This protocol describes the synthesis of a representative example of the electron-rich biaryl-like KITPHOS class of monophosphine,…”
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Efficient Cycloisomerization of Propargyl Amides by Electrophilic Gold(I) Complexes of KITPHOS Monophosphines: A Comparative Study by Doherty, Simon, Knight, Julian G, Hashmi, A. Stephen K, Smyth, Catherine H, Ward, Nicholas A. B, Robson, Katharine J, Tweedley, Sophie, Harrington, Ross W, Clegg, William

“…Electrophilic gold(I) complexes of diphenyl- and dicyclohexylphosphino-based KITPHOS monophosphines catalyze the 5-exo-dig cycloisomerization of a range of…”
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Rhodium-Catalyzed Double [2 + 2 + 2] Cycloaddition of 1,4-Bis(diphenylphosphinoyl)buta-1,3-diyne with Tethered Diynes:  A Modular, Highly Versatile Single-Pot Synthesis of NU-BIPHEP Biaryl Diphosphines by Doherty, Simon, Knight, Julian G, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…Rhodium-catalyzed double [2 + 2 + 2] cycloaddition of 1,4-bis(diphenylphosphinoyl)buta-1,3-diyne with tethered diynes provides a straightforward, single-pot…”
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Highly Enantioselective Synthesis of Pseudo-C2-Symmetric Axially Chiral Biaryl Diphosphines via Rhodium-Catalyzed Double [2 + 2 + 2] Cycloaddition by DOHERTY, Simon, SMYTH, Catherine H., HARRINGTON, Ross W., CLEGG, William

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Can a Butadiene-Based Architecture Compete with its Biaryl Counterpart in Asymmetric Catalysis? Enantiopure Me-CATPHOS, a Remarkably Efficient Ligand for Asymmetric Hydrogenation by Doherty, Simon, Smyth, Catherine H, Harriman, Anthony, Harrington, Ross W, Clegg, William

“…The double Diels−Alder cycloaddition between 9-methylanthracene and 1,4-bis(diphenylphosphinoyl)buta-1,3-diyne affords the oxide of the atropos diphosphine,…”
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Biaryl-Like CATPHOS Diphosphines via Double Diels–Alder Cycloaddition between 1,4-Bis(diphenylphosphinoyl)buta-1,3-diyne and Anthracenes: Efficient Ligands for the Palladium-Catalyzed Amination of Aromatic Bromides and α-Arylation of Ketones by Doherty, Simon, Knight, Julian G, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…A mixture of palladium(0) and CATPHOS, the 1,3-butadiene-bridged diphosphine generated via double Diels–Alder cycloaddition between…”
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Metal-Dependent Reactivity of Electrophilic Platinum Group Metal Lewis Acid Catalysts:  Competitive Alkene Dimerization, Intramolecular Friedel−Crafts Alkylation, and Carbonyl-Ene Reactivity by Doherty, Simon, Knight, Julian G, Smyth, Catherine H, Harrington, Ross W, Clegg, William

“…Lewis acid complexes of the type [M{(R)-BINAP}][SbF6]2 (M = Pt, Pd, Ni) catalyze the reaction between α-methylstyrenes and ethyl trifluoropyruvate to afford…”
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Modular Synthesis of a New Class of Bis(amino-oxazoline) Using Palladium-Catalyzed Buchwald−Hartwig Amination Methodology by Doherty, Simon, Knight, Julian G, Smyth, Catherine H, Sore, Nicholas T, Rath, Rakesh K, McFarlane, William, Harrington, Ross W, Clegg, William

“…The palladium-catalyzed Buchwald−Hartwig aryl amination between 2,2‘-diaminobiphenyl and 2 equiv of 2-(2‘-bromophenyl)oxazoline has been used to prepare a new…”
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Synthesis and resolution of the biaryl-like diphosphine -[Me.sub.2]-CATPHOS, preparation of a derived rhodium precatalyst and applications in asymmetric hydrogenation by Doherty, Simon, Smyth, Catherine H

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Synthesis and resolution of the biaryl-like diphosphine (S)-Me2-CATPHOS, preparation of a derived rhodium precatalyst and applications in asymmetric hydrogenation by Doherty, Simon, Smyth, Catherine H

“…This protocol describes the synthesis of a representative example of the enantiopure biaryl-like CATPHOS class of diphosphines, ( S…”
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Efficient Asymmetric Carbonyl-Ene Reactions Catalyzed by Platinum Metal Lewis Acid Complexes of Conformationally Flexible NUPHOS Diphosphines:  A Comparison with BINAP by Doherty, Simon, Knight, Julian G., Smyth, Catherine H., Harrington, Ross W., Clegg, William

“…A comparative study of the Lewis acid-catalyzed carbonyl-ene reaction of a range of monosubstituted, unsymmetrical 1,1-disubstituted and trisubstituted alkenes…”
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Ruthenium Complexes of κ(P)- and κ(P)-η 6 -Coordinated KITPHOS Monophosphines: Efficient Catalysts for the Direct Ortho Arylation of 2-Phenylpyridine and N -Phenylpyrazole with Aryl Chlorides by Doherty, Simon, Knight, Julian G., Addyman, Carrie R., Smyth, Catherine H., Ward, Nicholas A. B., Harrington, Ross W.

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Ruthenium Complexes of κ(P)- and κ(P)-η6-Coordinated KITPHOS Monophosphines: Efficient Catalysts for the Direct Ortho Arylation of 2-Phenylpyridine and N-Phenylpyrazole with Aryl Chlorides by Doherty, Simon, Knight, Julian G, Addyman, Carrie R, Smyth, Catherine H, Ward, Nicholas A. B, Harrington, Ross W

“…Thermolysis of the P-coordinated KITPHOS monophosphine complex [(p-cymene)RuCl2(KITPHOS)] in chlorobenzene at 120 °C resulted in displacement of the p-cymene…”
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