Zobrazeno 1 - 10 of 439 pro vyhledávání: '"and Bruno Donnadieu"'
1
Akademický článek
Synthesis and Characterization of Symmetrical N-Heterocyclic Carbene Copper(II) Complexes—An Investigation of the Influence of Pyridinyl Substituents
Autor: Bhupendra Adhikari, Selvam Raju, Raymond Femi Awoyemi, Bruno Donnadieu, David O. Wipf, Sean L. Stokes, Joseph P. Emerson
Publikováno v: Molecules, Vol 29, Iss 15, p 3542 (2024)
Three new tridentate copper(II) N-heterocyclic carbene (NHC) complexes have been obtained and characterized with symmetrical C-4 substitutions on their pendent pyridine rings. Substitutions including methyl (Me), methoxy (OMe), and chloro (Cl) groups
Externí odkaz: https://doaj.org/article/9ad61c331080470bac5a242daa31a902
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2
Akademický článek
Aminoquinoline-Based Tridentate (NNN)-Copper Catalyst for C–N Bond-Forming Reactions from Aniline and Diazo Compounds
Autor: Mohsen Teimouri, Selvam Raju, Edward Acheampong, Allison N. Schmittou, Bruno Donnadieu, David O. Wipf, Brad S. Pierce, Sean L. Stokes, Joseph P. Emerson
Publikováno v: Molecules, Vol 29, Iss 3, p 730 (2024)
A new tridentate Cu2+ complex based on (E)-1-(pyridin-2-yl)-N-(quinolin-8-yl)methanimine (PQM) was generated and characterized to support the activation of diazo compounds for the formation of new C–N bonds. This neutral Schiff base ligand was stru
Externí odkaz: https://doaj.org/article/d9e6526088c54f4d969687e1dc90b7f3
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3
Akademický článek
Copper(II) NHC Catalyst for the Formation of Phenol from Arylboronic Acid
Autor: Mitu Sharma, Bhupendra Adhikari, Raymond Femi Awoyemi, Amanda M. Perkins, Alison K. Duckworth, Bruno Donnadieu, David O. Wipf, Sean L. Stokes, Joseph P. Emerson
Publikováno v: Chemistry, Vol 4, Iss 2, Pp 560-575 (2022)
Arylboronic acids are commonly used in modern organic chemistry to form new C–C and C–heteroatom bonds. These activated organic synthons show reactivity with heteroatoms in a range of substrates under ambient oxidative conditions. This broad reac
Externí odkaz: https://doaj.org/article/56acd368b5c846c6bf045add5ca99f6e
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4
Akademický článek
Synthesis and Characterization of Bipyridyl-(Imidazole)n Mn(II) Compounds and Their Evaluation as Potential Precatalysts for Water Oxidation
Autor: Ge Mu, Ryan B. Gaynor, Baylee N. McIntyre, Bruno Donnadieu, Sidney E. Creutz
Publikováno v: Molecules, Vol 28, Iss 20, p 7221 (2023)
Metalloenzymes make extensive use of manganese centers for oxidative catalysis, including water oxidation; the need to develop improved synthetic catalysts for these processes has long motivated the development of bioinspired manganese complexes. Her
Externí odkaz: https://doaj.org/article/1d841afec735485b964d0dc009e27f52
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5
Akademický článek
Nickel(II) N-Heterocyclic Carbene Complex for the Hydrogenation of 2-Acetylpyridine under Mild Conditions
Autor: Mitu Sharma, Amanda M. Perkins, Alison K. Duckworth, Emily J. Rouse, Bruno Donnadieu, Bhupendra Adhikari, Sean L. Stokes, Joseph P. Emerson
Publikováno v: Inorganics, Vol 11, Iss 3, p 120 (2023)
Catalyst-mediated hydrogenation of ketones via hydride transfer can be directly used in the synthesis of alcohols which can exhibit great potential in the practical synthesis of pharmaceuticals. The application of Ni-NHC complexes in the hydrogenatio
Externí odkaz: https://doaj.org/article/e60f83b14b7e46c4a5235e89db896a6a
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6
Effects of electron-donating ability of binding sites on coordination number: the interactions of a cyclic Schiff base with copper ions
Autor: Samantha A. Ranaweera, Bruno Donnadieu, William P. Henry, Mark G. White
Publikováno v: Acta Crystallographica Section C Structural Chemistry. 79:142-148
The stepwise addition of Cu2+ ions to the nonplanar cyclic Schiff base 5,9,14,18-tetramethyl-1,4,10,13-tetraazacyclooctadeca-5,8,14,17-tetraene-7,16-dione (H4daaden, C18H28N4O2), yields a one-end-open dinuclear copper chelate. The pyridine adduct of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::568632337a48295cdfa41c86003b6378
https://doi.org/10.1107/s2053229623002280
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8
Akademický článek
Step‐stool conformation of a cyclic Schiff base derived from ethylenediamine and heptane‐2,4,6‐trione: evidence for partial hydrolysis in metal coordination.
Autor: Ranaweera, Samantha A.1 (AUTHOR) samantharan@chem.ruh.ac.lk, Bruno, Donnadieu2 (AUTHOR), Henry, W. P.2 (AUTHOR), White, Mark. G.2 (AUTHOR)
Publikováno v: Acta Crystallographica Section C: Structural Chemistry. Jun2022, Vol. 78 Issue 6, p338-342. 5p.
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10
Akademický článek
Curved crystal morphology, photoreactivity and photosalient behaviour of mononuclear Zn(II) complexes
Autor: Caroline Evania Mulijanto, Hong Sheng Quah, Geok Kheng Tan, Bruno Donnadieu, Jagadese J. Vittal
Publikováno v: IUCrJ, Vol 4, Iss 1, Pp 65-71 (2017)
A dramatic effect of crystal morphology, photoreactivity and photosalient property is observed in a zinc(II) complex due to solvent effects and fluorine substitution at the backbone of the ligand. Of the two crystal forms with a 3-fluoro derivative,
Externí odkaz: https://doaj.org/article/e85a1d546e9940e98a39cdcec7723321
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