Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Alexandre A Mikhailine"'
1
Catalyst-Directed Chemoselective Double Amination of Bromo-chloro(hetero)arenes: A Synthetic Route toward Advanced Amino-aniline Intermediates
Autor: Alexandre A Mikhailine, Gabriela A Grasa Mannino, Thomas J. Colacot
Publikováno v: Organic Letters. 20:2301-2305
A chemoselective sequential one-pot coupling protocol was developed for preparing several amino-anilines in high yield as building blocks for active pharmaceutical ingredients (APIs). Site (Cl vs Br on electrophile) and nucleophile (amine vs imine) s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3ab2b14306942bde2b6e0f027687b14
https://doi.org/10.1021/acs.orglett.8b00646
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2
The Mechanism of Efficient Asymmetric Transfer Hydrogenation of Acetophenone Using an Iron(II) Complex Containing an (S,S)-Ph2PCH2CH═NCHPhCHPhN═CHCH2PPh2 Ligand: Partial Ligand Reduction Is the Key
Autor: Robert H. Morris, Alexandre A. Mikhailine, Alan J. Lough, Mazharul I. Maishan
Publikováno v: Journal of the American Chemical Society. 134:12266-12280
On the basis of a kinetic study and other evidence, we propose a mechanism of activation and operation of a highly active system generated from the precatalyst trans-[Fe(CO)(Br)(Ph(2)PCH(2)CH═N-((S,S)-C(Ph)H-C(Ph)H)-N═CHCH(2)PPh(2))][BPh(4)] (2)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2d44104ee83e154154093d827f0560e
https://doi.org/10.1021/ja304814s
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3
Effect of the Structure of the Diamine Backbone of P−N−N−P ligands in Iron(II) Complexes on Catalytic Activity in the Transfer Hydrogenation of Acetophenone
Autor: Robert H. Morris, Alexandre A. Mikhailine
Publikováno v: Inorganic Chemistry. 49:11039-11044
The asymmetric transfer hydrogenation of aromatic ketones can be efficiently accomplished using catalysts that are based on platinum group metals which are more toxic and less abundant than iron. For that reason the discovery of iron based catalysts
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7287d2087ac9f2e1e84ca1314fa4c9a
https://doi.org/10.1021/ic101548j
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4
New cyclic phosphonium salts derived from the reaction of phosphine-aldehydes with acid
Autor: Robert H. Morris, Paraskevi O. Lagaditis, Peter E. Sues, Alexandre A. Mikhailine, Alan J. Lough
Publikováno v: Journal of Organometallic Chemistry. 695:1824-1830
Various cyclic phosphonium structures are formed in high yield by the deprotection of unstable phosphine-aldehydes in acidic solution. When there is a methylene spacer between the phosphine and the aldehyde, a phosphonium ion [PHR2CH2CH(OEt)2]Br2, R=
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c50aac523c31db309dea62c4bf8b1b30
https://doi.org/10.1016/j.jorganchem.2010.04.016
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6
Asymmetric transfer hydrogenation of ketimines using well-defined iron(II)-based precatalysts containing a PNNP ligand
Autor: Mazharul I. Maishan, Robert H. Morris, Alexandre A. Mikhailine
Publikováno v: Organic letters. 14(17)
Well-defined iron(II)-based complexes containing PNNP ligands catalyze a highly enantioselective reduction of N-(diphenylphosphinoyl)- and N-(p-tolylsulphonyl)-ketimines. Under mild conditions and low catalyst loading, the ketimines are successfully
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75fa70136f7d3fdfa0af2abefb896072
https://pubmed.ncbi.nlm.nih.gov/22924839
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7
Template synthesis of iron(II) complexes containing tridentate P-N-S, P-N-P, P-N-N, and tetradentate P-N-N-P ligands
Autor: Robert H. Morris, Alexandre A. Mikhailine, Alan J. Lough, Paraskevi O. Lagaditis
Publikováno v: Inorganic chemistry. 49(3)
A series of mer-tridentate iron(II) complexes bearing P-N-S (3), P-N-P (4), and P-N-N (5) ligands have been prepared via the metal template effect in one pot involving air-stable phosphonium dimers [cyclo-(-PPh(2)CH(2)C(OH)H-)(2)](Br)(2) (1) and [cyc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9616e84b8bcc287caf937cd409dbc1a
https://pubmed.ncbi.nlm.nih.gov/20028110
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8
ChemInform Abstract: Efficient Asymmetric Transfer Hydrogenation of Ketones Catalyzed by an Iron Complex Containing a P-N-N-P Tetradentate Ligand Formed by Template Synthesis
Autor: Alan J. Lough, Robert H. Morris, Alexandre A. Mikhailine
Publikováno v: ChemInform. 40
A distorted iron complex formed by template synthesis is the basis of a very efficient and economical catalyst system for the asymmetric transfer hydrogenation of ketones for the production of valuable enantioenriched alcohols.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c98b2230a4c78f0e29916efd884d359
https://doi.org/10.1002/chin.200924059
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9
Efficient Asymmetric Transfer Hydrogenation of Ketones Catalyzed by an Iron Complex Containing a P−N−N−P Tetradentate Ligand Formed by Template Synthesis
Autor: Robert H. Morris, Alexandre A. Mikhailine, Alan J. Lough
Publikováno v: Journal of the American Chemical Society. 131:1394-1395
A distorted iron complex formed by template synthesis is the basis of a very efficient and economical catalyst system for the asymmetric transfer hydrogenation of ketones for the production of valuable enantioenriched alcohols.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9274ae12be6ea64dd2fb7774c0176f75
https://doi.org/10.1021/ja809493h
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10
Akademický článek
Efficient asymmetric transfer hydrogenation of ketones catalyzed by an iron complex containing a P-N-N-P tetradentate ligand formed by template synthesis.
Autor: Mikhailine A; Davenport Laboratory, Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada., Lough AJ, Morris RH
Publikováno v: Journal of the American Chemical Society [J Am Chem Soc] 2009 Feb 04; Vol. 131 (4), pp. 1394-5.
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