Results 11 to 20 of about 19,150 (267)
Results in Chemistry, 2022 After several unsuccessful attempts to synthesize quaternized aniline-derived phosphanes, we succeeded to develop a synthetic methodology for the preparation of a water-soluble amino phosphine oxide ligand containing a quaternary ammonium ion by ...
Ioannis D. Kostas +4 more
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Organophosphorus catalytic reaction based on reduction of phosphine oxide
Green Synthesis and Catalysis, 2023 The special electronic configuration of phosphorus atoms endows organophosphorus reagents with unique chemical properties, which enable them to be used to catalyze various organic reactions, such as the Wittig reaction, Staudinger reaction, Appel ...
Mengyu Pei +5 more
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Intramolecular Phosphine-Promoted Knoevenagel Based Redox-Reaction
Molecules, 2022 A Knoevenagel based redox-reaction promoted by intramolecular phosphine sources is presented for the first time. The influence of different diketones, aldehydes, bases and acids was investigated. The effects of different substituents were evaluated based
Niklas Feuge +3 more
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Crystal Structure of Bis(2,4,6-trimethylphenyl)-phosphine Oxide
Molbank, 2017 The single crystal structure of bis(2,4,6-trimethylphenyl)phosphine oxide has been determined. All interatomic distances and angles can be considered normal.
Alex J. Veinot +3 more
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Journal of Enzyme Inhibition and Medicinal Chemistry, 2021 Microwave-assisted phospha-Michael addition reactions were carried out in the 13α-oestrone series. The exocyclic 16-methylene-17-ketones as α,β-unsaturated ketones were reacted with secondary phosphine oxides as nucleophilic partners.
Erzsébet Mernyák +10 more
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Tris(3-aminophenyl)phosphine oxide ethanol solvate
Acta Crystallographica Section E, 2009 The title compound crystallized as an ethanol solvate, C18H18N3OP·C2H6O. It is the reduction product of tris(3-nitrophenyl)phosphine oxide. In the crystal, there are intermolecular N—H...O hydrogen bonds between neighbouring tris(3 ...
Jun Han +3 more
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Pure-organic phosphine oxide luminescent materials
Journal of Information Display, 2020 Phosphine-oxide-(PO)-based optoelectronic materials are attracting increasing attention owing to the unique advantages of P = O groups in modulating the molecular configuration, excited-state properties, and intermolecular interactions.
Xiaoqing Song, Hui Xu
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Synthesis of Functionalized 4,5-Dihydroisoxazoles Decorated with the Dimethylphosphinoyl Group
Журнал органічної та фармацевтичної хімії, 2023 Aim. To synthesize a hybrid molecular platform incorporating dimethylphosphinoyl and 4,5-dihydroisoxazole moieties suitable for the creation of focused combinatorial libraries of compounds. Results and discussion.
Andrii V. Fedyk, Bohdan A. Chalyk
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Beilstein Journal of Organic Chemistry, 2019 A family of N,N-bis(phosphinoylmethyl)amines bearing different substituents on the phosphorus atoms was synthesized by the microwave-assisted and catalyst-free Kabachnik–Fields reaction of (aminomethyl)phosphine oxides with paraformaldehyde and ...
Erika Bálint +3 more
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Ni-catalyzed hydroarylation of alkynes with unactivated β-C(sp2)−H bonds
Nature Communications, 2022 Directed activation of C–H bonds usually occurs through 5-membered metallacycles, which poses limitations of regiochemistry. Herein, the authors use a phosphine oxide-ligated Ni−Al bimetallic catalyst to enable β-C−H bond-involved hydroarylations of ...
Shao-Long Qi +4 more
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