Results 21 to 30 of about 2,325,545 (220)
The bis(Biphenyl)phosphorus Fragment in Trivalent and Tetravalent P-Environments
Inorganics, 2021 Diaryl substituted phosphorus (III) compounds are commonly used motifs in synthesis. Although the basic synthetic routes to these molecules starting from PCl3 are well reported, sterically hindered aryl substituents can be difficult to introduce ...
Jonas Hoffmann +3 more
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Molecules, 2023 A one-pot lithiation–phosphonylation procedure was elaborated as a method to prepare heteroaromatic phosphonic acids. It relied on the direct lithiation of heteroaromatics followed by phosphonylation with diethyl chlorophosphite and then oxidation with ...
Ewa Chmielewska +4 more
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Synthesis of Mixed Arylalkyl Tertiary Phosphines via the Grignard Approach
Molecules, 2022 Trialkyl and triaryl phosphines are important classes of ligands in the field of catalysis and materials research. The wide usability of these low-valent phosphines has led to the design and development of new synthesis routes for a variety of phosphines.
Ashanul Haque +4 more
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Organophosphorus Chemistry 2018
, 2020 Organophosphorus chemistry is an important discipline within organic chemistry. Phosphorus compounds, such as phosphines, trialkyl phosphites, phosphine oxides (chalcogenides), phosphonates, phosphinates and >P(O)H species, etc., may be important ...
Keglevich, György
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Isolatable organophosphorus(III)-tellurium heterocycles [PDF]
, 2014 We are grateful to the University of St Andrews, the EPSRC and NSERC Canada for their financial support.A new structural arrangement Te3(RPIII)3 and the first crystal structures of organophosphorus(III)–tellurium heterocycles are presented.
Woollins, J. Derek +8 more
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A-series (“Novichok”) nerve agents: Chemistry, toxicology, detection, and medical countermeasures [PDF]
PharmaciaAvailable evidence indicates that A-series (“Novichok”) nerve agents are highly toxic organophosphorus compounds whose primary mechanism of action involves potent inhibition of acetylcholinesterase, resulting in severe cholinergic toxicity and ...
Ahmed Nedzhib +3 more
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A structural, spectroscopic and theoretical study of the triphenylphosphine chalcogenide complexes of tungsten carbonyl, [W(XPPh3)(CO)5], X=O, S, Se [PDF]
, 2004 The series [W(XPPh3)(CO)5], X=O, S, Se has been structurally determined by X-ray crystallography and fully characterised spectroscopically to provide data for comparing the bonding of the Ph3PX ligands to the metal.
Nicholson, Brian K. +2 more
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Homolytic substitution at phosphorus for C–P bond formation in organic synthesis
Beilstein Journal of Organic Chemistry, 2013 Organophosphorus compounds are important in organic chemistry. This review article covers emerging, powerful synthetic approaches to organophosphorus compounds by homolytic substitution at phosphorus with a carbon-centered radical. Phosphination reagents
Hideki Yorimitsu
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Enhancing Paraoxon Binding to Organophosphorus Hydrolase Active Site [PDF]
, 2021 Organophosphorus (OP) compounds are among the most toxic of chemical substances and widely used as insecticides, pesticides, and chemical warfare agents. The most important enzyme inhibited by OP compounds is acetylcholinesterase (AChe).
David, Mobley +3 more
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Separations, 2022 A survey of the experimental equilibrium constants in solution for the mixed complexes of 4f ions with acidic (chelating) and O-donor organophosphorus ligands published in the period between 1954 and 2022 is presented.
Maria Atanassova
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