Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Samantha A. M. Smith"'
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Akademický článek
Bromidocarbonyl{(1S,2S)-N-[2-(dicyclohexylphosphanyl)ethylidenyl]-N′-[2-(diphenylphosphanyl)ethyl]-1,2-diphenylethane-1,2-diamine}iron(II) tetraphenylborate
Autor: Samantha A. M. Smith, Alan J. Lough, Robert H. Morris
Publikováno v: IUCrData, Vol 2, Iss 3, p x170452 (2017)
In the title compound, trans-(S,S)-[FeBr(CO)(PPh2CH2CH2NHCHPhCHPhNCHCH2PCy2)]BPh4, the FeII ion is in a distorted octahedral complex geometry with a cis-β ligand geometry in which two diastereomers co-crystallized in the asymmetric unit. These diast
Externí odkaz: https://doaj.org/article/67e2c5a6057a443c94570497792df5a6
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2
Enantioselective direct, base-free hydrogenation of ketones by a manganese amido complex of a homochiral, unsymmetrical P–N–P′ ligand
Autor: Matthew V. Gradiski, Robert H. Morris, Brian T. H. Tsui, Chris S. G. Seo, Samantha A. M. Smith
Publikováno v: Catalysis Science & Technology. 11:3153-3163
The use of manganese in homogeneous hydrogenation catalysis has been a recent focus in the pursuit of more environmentally benign base metal catalysts. It has great promise with its unique reactivity when coupled with metal–ligand cooperation of am
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55178d8e9adbb4e61e0aca830f410629
https://doi.org/10.1039/d1cy00446h
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3
A One-Step Preparation of Tetradentate Ligands with Nitrogen and Phosphorus Donors by Reductive Amination and Representative Iron Complexes
Autor: Samantha A. M. Smith, Matthew V. Gradiski, Alan J. Lough, Maegan S. E. Ong, Ali Nemati Kharat, Robert H. Morris
Publikováno v: Inorganic chemistry. 59(15)
The synthesis and use of the first examples of unsymmetrical, mixed phosphine donor tripodal NPP2' ligands N(CH2CH2PR2)2(CH2CH2PPh2) are presented. The ligands are synthesized via a convenient, one pot reductive amination using 2-(diphenylphosphino)e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bde0a251ac5c26ca23865413f6be46d
https://pubmed.ncbi.nlm.nih.gov/32687329
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4
Asymmetric Transfer Hydrogenation of Ketones Using New Iron(II) (P-NH-N-P′) Catalysts: Changing the Steric and Electronic Properties at Phosphorus P′
Autor: Samantha A. M. Smith, Robert H. Morris, Demyan E. Prokopchuk
Publikováno v: Israel Journal of Chemistry. 57:1204-1215
The asymmetric transfer hydrogenation (ATH) of ketones is an efficient method for producing enantio-enriched alcohols which are used as intermediates in a variety of industrial processes. Here we report the synthesis of new iron ATH precatalysts (S,S
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b4633a83534d85324449627b977753d
https://doi.org/10.1002/ijch.201700019
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5
Enantioselective Hydrogenation of Activated Aryl Imines Catalyzed by an Iron(II) P-NH-P′ Complex
Autor: Robert H. Morris, Chris S. G. Seo, Alan J. Lough, Samantha A. M. Smith, Thibault Tannoux
Publikováno v: Journal of Organic Chemistry
Journal of Organic Chemistry, American Chemical Society, 2019, 84 (18), pp.12040-12049. ⟨10.1021/acs.joc.9b01964⟩
Journal of Organic Chemistry, 2019, 84 (18), pp.12040-12049. ⟨10.1021/acs.joc.9b01964⟩
International audience; Chiral amines are key building blocks in synthetic chemistry with numerous applications in the agricultural and pharmaceutical industries. Asymmetric imine hydrogenation, particularly with iridium catalysts, is well developed.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85c4af1d8fe5c0b4c854f5e058b91c6e
https://hal-univ-rennes1.archives-ouvertes.fr/hal-02473966
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6
An Unsymmetrical Iron Catalyst for the Asymmetric Transfer Hydrogenation­ of Ketones
Autor: Samantha A. M. Smith, Robert H. Morris
Publikováno v: Synthesis. 47:1775-1779
A new iron(II)(Ph2P–NH–N–PCy2) complex with a dicyclohexylphosphino group trans to the NH group was found to catalyze the asymmetric transfer hydrogenation of a variety of ketones with high enantioselectivity.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8277bfbde6b1b7f10a521607bddfeaa
https://doi.org/10.1055/s-0034-1380147
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8
From Esters to Alcohols and Back with Ruthenium and Osmium Catalysts
Autor: Samantha A. M. Smith, Dmitry G. Gusev, Denis Spasyuk
Publikováno v: Angewandte Chemie. 124:2826-2829
There and back again: hydrogenation of esters and the reverse reaction of dehydrogenative coupling of alcohols are efficiently catalyzed by dimeric complexes of Ru and Os under neutral conditions. The Os dimer is an outstanding catalyst for the hydro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e545fb52acc29f1550abcc9ac5775895
https://doi.org/10.1002/ange.201108956
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9
ChemInform Abstract: An Unsymmetrical Iron Catalyst for the Asymmetric Transfer Hydrogenation of Ketones
Autor: Robert H. Morris, Samantha A. M. Smith
Publikováno v: ChemInform. 46
A new iron(II)(Ph2P–NH–N–PCy2) complex with a dicyclohexylphosphino group trans to the NH group was found to catalyze the asymmetric transfer hydrogenation of a variety of ketones with high enantioselectivity.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::868021c0a27d52c4eb90e6a07a178d0d
https://doi.org/10.1002/chin.201542037
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