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Relevant bibliographies by topics / Pyridylphosphines

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Academic literature on the topic 'Pyridylphosphines'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Pyridylphosphines"

1

Newkome, George R. "Pyridylphosphines." Chemical Reviews 93, no. 6 (September 1993): 2067–89. http://dx.doi.org/10.1021/cr00022a006.

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2

NEWKOME, G. R. "ChemInform Abstract: Pyridylphosphines." ChemInform 25, no. 3 (August 19, 2010): no. http://dx.doi.org/10.1002/chin.199403292.

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3

Deeming, Antony J., and Martin B. Smith. "Triosmium clusters with 2-pyridylphosphines as ligands." Journal of the Chemical Society, Dalton Transactions, no. 22 (1993): 3383. http://dx.doi.org/10.1039/dt9930003383.

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4

Berners-Price, Susan J., Richard J. Bowen, Mark J. McKeage, Peter Galettis, Li Ding, Bruce C. Baguley, and Wandy Brouwer. "Selective antitumour activity of metal complexes of bidentate pyridylphosphines." Journal of Inorganic Biochemistry 67, no. 1-4 (July 1997): 154. http://dx.doi.org/10.1016/s0162-0134(97)80032-3.

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5

Budzelaar, Peter H. M. "Theoretical Study of the Reaction of Alkyllithium with Pyridylphosphines." Journal of Organic Chemistry 63, no. 4 (February 1998): 1131–37. http://dx.doi.org/10.1021/jo9716136.

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6

Deeming, Antony J., and Martin B. Smith. "Fluxional ligand migrations in triosmium clusters containing 2-pyridylphosphines." Journal of the Chemical Society, Chemical Communications, no. 10 (1993): 844. http://dx.doi.org/10.1039/c39930000844.

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7

Wajda-Hermanowicz, Katarzyna, and Florian P. Pruchnik. "Carbonylrhodium complexes with pyridylphosphines: [Rh(chel)(CO)(PPhxpyl3?x)]." Transition Metal Chemistry 13, no. 1 (February 1988): 22–24. http://dx.doi.org/10.1007/bf01041492.

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8

Kluwer, Alexander M., Irshad Ahmad, and Joost N. H. Reek. "Improved synthesis of monodentate and bidentate 2- and 3-pyridylphosphines." Tetrahedron Letters 48, no. 17 (April 2007): 2999–3001. http://dx.doi.org/10.1016/j.tetlet.2007.02.127.

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9

Zhang, Tianle, Yu Qin, Deyou Wu, Rong Zhou, Xiaowei Yi, and Changlin Liu. "One‐Pot Synthetic Route to a Class of Polydental Pyridylphosphines." Synthetic Communications 35, no. 14 (July 2005): 1889–95. http://dx.doi.org/10.1081/scc-200064921.

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10

Musina*, Elvira I., Igor D. Strelnik, Tatyana I. Fesenko, Dmitry B. Krivolapov, Andrey A. Karasik, Evamarie Hey-Hawkins, and Oleg G. Sinyashin. "Nickel(II) Complexes of Novel P,N-Heterocycles Based on Pyridylphosphines." Phosphorus, Sulfur, and Silicon and the Related Elements 188, no. 1-3 (January 1, 2013): 59–60. http://dx.doi.org/10.1080/10426507.2012.729117.

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Dissertations / Theses on the topic "Pyridylphosphines"

1

Bergin, Brian Peter. "Preparation and characterisation of rhodium and platinum complexes with N-donor ligands." Thesis, University of Liverpool, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266269.

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Franke, Felix. "Synthese und Komplexierungsverhalten von rigiden und nicht-rigiden funktionalisierten Phosphanliganden." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960590617.

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Shuttleworth, Timothy A. "Pyridylphosphine ligands for methoxycarbonylation." Thesis, University of Bristol, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702891.

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4

Le, Page Matthew Derek. "The synthesis, characterization, and reactivity of nickel 2-pyridylphosphine complexes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/NQ56574.pdf.

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Klemann, Thorsten [Verfasser]. "Ferrocene-Based Pyridylphosphine Ligands – Coordination Chemistry of Group 10, 11 and 12 Metals / Thorsten Klemann." Kassel : Universitätsbibliothek Kassel, 2010. http://d-nb.info/1009529048/34.

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6

Xie, Yun. "Towards transition metal-catalyzed hydration of olefins, aquo ions, and pyridylphosphine-platinum and palladium complexes." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/31034.

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This thesis work resulted from an on-going project in this laboratory focusing on the hydration of olefins, using transition metal complexes as catalysts, with the ultimate aim of achieving catalytic asymmetric hydration, for example: (HO₂C)CH=CH(CO₂H) → (HO₂C)CH₂-CH(OH)(CO₂H) (C = chiral carbon atom). Initially, the hydration of maleic to malic acid, catalyzed by Cr(H₂O)₆³⁺ at 100°C in aqueous solution was studied, including the kinetic dependences on Cr³⁺, maleic acid and pH. A proposed mechanism involving 1:1 complexes of Cr³⁺ with the maleato and malato monoanions is consistent qualitatively with the kinetic data. This Cr system was, however, ineffective for hydration of prochiral olefins, and the work became a minor component of the thesis and is described in the last chapter. Emphasis was switched to the study of water-soluble phosphine systems based on Pd and Pt. The major part of this thesis describes the synthesis and characterization, principally by ¹H, ³¹P{¹H} and ¹⁹⁵Pt{¹H} NMR spectroscopies, of: square-planar complexes of the type MX₂(PPh₃₋npyn)₂ (M = Pd, Pt; X = halides; n = 1, 2, 3); the binuclear species M₂X₂(µ-PPh₃₋npyn)₂ (head-to-tail, HT) and Pt₂I₂ (µ-PPh₃₋pyn)₂ (head-to-head, HH; n = 1,10a, n = 2, 10b and n = 3, 10c); and the Pt(PPh₂py)₃,27a, and Pt(Ppy₃)₃, 26c, complexes. The reactivities of the binuclear complexes toward acetylenes, and the Pt(0) species toward O₂, olefins, HCl and MeI, are also described. With use of PPhpy₂ within the binuclear phosphine-bridged species, the P atom incidentally becomes chiral. The diastereomers of 10b were isolated and characterized by ³¹P{¹H} NMR spectral data. All the isolated binuclear complexes react in CH₂Cl₂ with dimethylacetylene-dicarboxylate, DMAD, to form an A-frame insertion product. The HH or HT configuration of the precursor is maintained in every case except for 10b and 10c which form initially an HH-DMAD adduct that slowly isomerizes to the corresponding HT-DMAD adduct. Detailed ³¹P{¹H} NMR spectroscopic studies show that the presence of a properly positioned pyridyl group promotes the isomerization by forming a detectable chelated P-N intermediate, and that insertion of DMAD precedes chelation. The reactions of Pt₂l₂ (u-PPh₃₋npyn) ₂ (HH) (n = 1, 2, 3) with DMAD in CH₂CI₂ are kinetically first-order in both [Pt₂] and [DMAD] for the insertion step, and first-order in [Pt₂] and zero-order in [DMAD] for the isomerization step. The activation parameters for the insertion step are consistent with oxidative addition to a binuclear system. A proposed mechanism is fully supported by ³¹P{¹H) and ¹⁹⁵Pt{¹H] NMR spectral data. Complex 26c, reacts in CH₂CI₂ or CDCI₃ with limited oxygen to give Pt(Ppy₃)₃(O₂), which may contain an end-on superoxo structure as judged by an IR band at 1114 cm⁻¹. Complex 26c, under 1 atm O2, forms the 'expected' peroxo species Pt(Ppy₃)₂O₂. Complexes 26c and 27a, react with the olefins (maleic anhydride, acrylonitrile, methacrylonitrile and crotonitrile) to give the square-planar species Pt(PPh₃₋npyn) ₂(ɳ²-olefin). The square-planar geometry infers strong Π-back donation from metal to olefin, a state which is probably undesirable for the purpose of olefin activation toward hydration. Indeed, complex Pt(PPh₂py) ₂(Π²-maleic anhydride), 47a, shows no olefin hydration product when heated at 80°C in aqueous NaOH solution. Trans-Pt(H)Cl(PPh₂py) ₂, 50a, was prepared from 27a and gaseous HCl in THF; 50a in acetone-d6, reacts with acrylonitrile to give cis-PtCl(CH₂CH₂CN)(PPh₂py)₂, but in the presence of aqueous NaOH at 80°C, 50a was inactive for hydration of acrylonitrile to either β-cyanoethanol or acrylamide.
Science, Faculty of
Chemistry, Department of
Graduate

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7

Rastar, Golnar. "Plantinum Complexes of 2-Pyridylphosphines." Thesis, 1993. http://hdl.handle.net/2429/4880.

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The 2-pyridyiphosphine ligands are analogues of the ligand triphenyiphosphine (PPh₃) with the phenyl groups being sequentially replaced by 2-pyridyl groups (PN[sub n]; n=1,PN₁= PPh₂py; n=2, PN₂=PPhpy₂;n=3, PN₃=Ppy₃). Replacement of the phenyl groups with 2-pyridyl groups adds heteropolydentate characteristics as well as hydrophilic properties to these tertiary phosphine ligands. Zero-valent platinum complexes with PN ligands, namely Pt(PN₁)₃ and Pt(PN₃)₄ have been previously synthesized. In this work, the complex Pt(PN₂)₃ was synthesized and characterized using ³¹P{¹H} and ¹⁹⁵Pt{¹H} NMR spectroscopy, as well as elemental analysis. The reaction of Pt(PN₂)₃ with methyl iodide resulted in the formation of trans- Pt(Me)I(PN₂)₂, similar to the reaction of Pt(PPh₃)₃ with methyl iodide. The tetrakis (PN₂) complex, Pt(PN₂)₄ was observed to be formed in situ, using ³¹P{¹H} NMR spectroscopy, when aCD₂Cl₂ solution containing a mixture of Pt(PN₂)₃ and PN₂ was cooled to -60° C. The reaction of dioxygen with solutions of Pt(PN₁)₃ and Pt(PN₂)₃ resulted in the formation of dioxygen complexes. The isolated compounds were characterized using NMR (³¹P{¹H} and ¹⁹⁵Pt{¹H}) and infrared spectroscopy, and the structures were found to be side-on bonded peroxo complexes analogous to the well-characterized triphenylphosphine complex Pt(O₂)(PPh₃)₂.Both Pt(O₂)(PN₁)₂ and Pt(O₂)(PN₂)₂ were found to react with gaseous HCl to form the dichioro compounds cis- PtCl₂(PN₁)₂ and cis- PtCl₂ (PN₂)₂,respectively, with concomitant formation of H₂O₂, similar to the reported reaction of Pt(O₂)(PPh₃)2 with HCl. Attempts to use the Pt(O₂)(PPh₃)₂/HCl system for the catalytic O₂-oxidation of the thioether diethyl sulfide, at room temperature, were unsuccessful, although stoichiometric oxidation occurred via the liberated H₂O₂. None of the zero-valent platinum 2-pyridyiphosphine complexes was soluble in water. However, reaction of aqueous suspensions of either Pt(PN₂)₃ or Pt(PN₃)₄ with aqueous HCl resulted in protonation of the 2-pyridyl moieties of the coordinated phosphine ligands, and hence water-solubilization of the complexes. Metathesis of the chloride ion within the proton containing products using PF₆- or BPh₄- salts enabled isolation of the 2-pyridinium salts from water. The chloride salts of the PN₂ and PN₃ 2-pyridinium complexes were synthesized by reaction of THF solutions of Pt(PN₂)₃ and Pt(PN₃)₄,respectively, with DMA HCl (N,N’-dimethylacetamide hydrochloride). The water-soluble 2-pyridinium PN₂ and PN₃ salts were characterized by ³¹P{¹H} NMR and infrared spectroscopy as well as by elemental analysis, and are considered to be Pt(PN₂)₃ 2HX and Pt(PN₃)₃ HX, respectively, where X is Cl, PF₆,or BPh₄. The Pt(PN₂)₃ 2HCl species in CH₂Cl₂ converts reversibly at lower temperature to trans PtHCl(PN₂)₂,and in acetone at ambient temperature to cis- PtCl₂(PN₂)₂. The presence of unprotonated pyridyl groups appears to be necessary for the water solubilization of Pt(PN₂)₃ and Pt(PN₃)₄: no water-soluble 2-pyridinium complexes were formed on acidification of an aqueous suspension of Pt(PN₁)₃.This is confirmed by the reaction of Pt(PN₁)₃ with DMA•HCl which resulted in the formation of the covalent products cis PtCl₂(PN₁)₂ and trans- PtHCl(PN₁).

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8

Schutte, Richard Peter. "Ruthenium(II) Complexes of 2-Pyridylphosphines: Coordination Modes, Reactivity with Small Molecules, and Aqueous Chemistry." Thesis, 1995. http://hdl.handle.net/2429/4757.

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Several ruthenium(II) 2-pyridylphosphine PPh3-[sub x]py[sub x] (PN[sub x], where x = 1, 2, 3 and Ph = phenyl group, py = 2-pyridyl group) complexes were synthesized and characterized. The use of the 2-pyridylphosphines was prompted by the potential of forming water soluble complexes, for use in olefin hydration catalysis (i.e., adding H₂O across a carboncarbon double bond). With ruthenium, the PN[sub x] ligands exhibited a variety of coordination modes, including coordination through the phosphorus only (P), the phosphorus and one pyridyl group (P,N), the phosphorus and two pyridyl groups (P,N,N'; PN₂ and PN₃ only), and through three pyridyl groups (N,N',N''; PN₃ only). Complexes synthesized were characterized in general by a combination of ³¹P{¹1H} NMR, ¹H NMR, IR, and UV-visible spectroscopies, as well as conductivity and elemental analysis, while four complexes were also characterized by X-ray crystallography. [. . . abstract continues]

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9

Liu, Lin Chi, and 劉林季. "Structural Study of Pyridylphosphine Copper complexes." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/42227931212074712022.

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10

Liao, Chen-Hsin, and 廖正興. "Synthesis and Structural Study of Pyridylphosphine." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/73528074248332636730.

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