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Journal articles on the topic 'Tertiary Phosphine Ligands'

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Published: 10 December 2022
Last updated: 30 January 2023

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1

Sárosi, Imola, Luminiţa Silaghi-Dumitrescu, and Evamarie Hey-Hawkins. "Synthesis and coordination chemistry of thiophenol-based heterodonor ligands containing P,S, As,S and P,SAs donor atoms." Macedonian Journal of Chemistry and Chemical Engineering 32, no. 1 (April 30, 2013): 1. http://dx.doi.org/10.20450/mjcce.2013.285.

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This review article describes the synthesis and coordination chemistry of three types of thiophenol-based heterodonor ligands containing tertiary phosphine and/or arsine groups in combination with sulfur. Phenylthio(diphenyl)phosphine and -arsine ligands, EPh2(SPh) (E = P, As), incorporate an E–S bond in their structures. Upon reaction with different metal carbonyls, metal-mediated cleavage of the E–S bonds of these ligands has been observed, leading to a variety of sulfur- and phosphorus- or arsenic-containing metallacycles. The structurally isomeric phosphino- and arsinoarylthiols HSC6H4-2-EPh2 (ESH) combine a phosphine or arsine centre with a thiol functionality, which is usually deprotonated on coordination. These compounds have been shown to be very versatile ligands that form stable complexes with a wide range of transition metals. The heterotopic ligand 1-Ph2AsSC6H4-2-PPh2 (P,SAs) not only combines the properties of phenylthio(diphenyl)arsine and 2-diphenylphosphanylbenzenethiol by incorporating all three donor atoms in its structure, but also allows the effect of the PPh2 group in the ortho position on the cleavage of the As–S bond to be studied.
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2

Aikawa, Kohsuke, Kohei Yabuuchi, Kota Torii, and Koichi Mikami. "Copper-catalyzed asymmetric methylation of fluoroalkylated pyruvates with dimethylzinc." Beilstein Journal of Organic Chemistry 14 (March 7, 2018): 576–82. http://dx.doi.org/10.3762/bjoc.14.44.

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The catalytic asymmetric methylation of fluoroalkylated pyruvates is shown with dimethylzinc as a methylating reagent in the presence of a copper catalyst bearing a chiral phosphine ligand. This is the first catalytic asymmetric methylation to synthesize various α-fluoroalkylated tertiary alcohols with CF3, CF2H, CF2Br, and n-C n F2 n +1 (n = 2, 3, 8) groups in good-to-high yields and enantioselectivities. Axial backbones and substituents on phosphorus atoms of chiral phosphine ligands critically influence the enantioselectivity. Moreover, the methylation of simple perfluoroalkylated ketones is found to be facilitated by only chiral phosphines without copper.
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3

McKeage, Mark J., Peter Papathanasiou, Geoffrey Salem, Allan Sjaarda, Gerhard F. Swiegers, Paul Waring, and S. Bruce Wild. "Antitumor Activity of Gold(I), Silver(I) and Copper(I) Complexes Containing Chiral Tertiary Phosphines." Metal-Based Drugs 5, no. 4 (January 1, 1998): 217–23. http://dx.doi.org/10.1155/mbd.1998.217.

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The in vitro cytotoxicities of a number of gold(I), silver(I) and copper(I) complexes containing chiral tertiary phosphine ligands have been examined against the mouse tumour cell lines P815 mastocytoma, B16 melanoma [gold(I) and silver(I) compounds] and P388 leukaemia [gold(I) complexes only] with many of the complexes having IC50 values comparable to that of the reference compounds cis-diamminedichloroplatinum(ll), cisplatin, and bis[1,2-bis(diphenylphosphino) ethane]gold(I) iodide. The chiral tertiary phosphine ligands used in this study include (R)-(2-aminophenyl)methylphenylphosphine; (R,R)-, (S,S)- and (R*,R*)-1,2-phenylenebis(methylphenylphosphine); and (R,R)-, (S,S)- and (R*,R*)-bis{(2-diphenylphosphinoethyl)phenylphosphino}ethane. The in vitro cytotoxicities of gold(I) and silver(I) complexes containing the optically active forms of the tetra(tertiary phosphine) have also been examined against the human ovarian carcinoma cell lines 41M and CH1, and the cisplatin resistant 41McisR, CH1cisR and SKOV-3 tumour models. IC50 values in the range 0.01 - 0.04 μM were determined for the most active compounds, silver(I) complexes of the tetra(tertiary phosphine). Furthermore, the chirality of the ligand appeared to have little effect on the overall activity of the complexes: similar IC50 data were obtained for complexes of a particular metal ion with each of the stereoisomeric forms of a specific ligand.
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4

Bruce, Michael I., Ben C. Hall, and Edward R. T. Tiekink. "Reactions of RuCl(C=CHBut)(PPh3)(hC5Me5) with Tertiary Phosphites: Molecular Structure of RuCl{P(OPh)3} 2(h;-C5Me5)." Australian Journal of Chemistry 50, no. 11 (1997): 1097. http://dx.doi.org/10.1071/c97167.

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Reactions between RuCl(C=CHBut)(PPh3)(η-C5Me5) and tertiary phosphites result in displacement of both vinylidene and tertiary phosphine ligands to give RuCl{P(OR)3}2(η-C5Me5) (R = Me, Ph). The crystal and molecular structures of RuCl{P(OPh)3}2(η-C5Me5) are reported.
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5

Ghosh, Sujit, Kinkar Biswas, and Basudeb Basu. "Recent Advances in Microwave Promoted C-P Cross-coupling Reactions." Current Microwave Chemistry 7, no. 2 (August 6, 2020): 112–22. http://dx.doi.org/10.2174/2213335607666200401144724.

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: Organophosphorous compounds are of potential importance in diverse fields. They are often used as intermediates for making functionalized phosphine ligands as well as find vast applications in the areas of industrial, agricultural and biological chemistry. The microwave-assisted synthesis of C-P bonds has become increasingly popular because of its various advantages over conventional heating in the perspectives of green chemistry. : This review article has primarily focused on the synthesis of various organophosphorous molecules via microwave promoted C-P cross-coupling reactions under metal-catalyzed or metal–free conditions over the last two decades. The synthesis of phosphine ligands on 4,4′-bisquinolone structural framework, disubstituted phosphinic acid esters, vinyl phosphines, aryl- and vinylphosphonates, sugar and nucleoside phosphonates, aminobisphosphonates, triphenyl phosphines, water-soluble tertiary phosphine oxides and many other potentially useful organophosphorous compounds have been illustrated critically. The Hirao reaction, Michaelis-Arbuzov reaction and Sandmeyer type of reactions are generally involved in creating C-P bonds. The role of various metal catalysts, solvents, bases, additives and temperature in different literatures are carefully discussed.
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6

Haque, Ashanul, Khalaf M. Alenezi, Hani El Moll, Muhammad S. Khan, and Wai-Yeung Wong. "Synthesis of Mixed Arylalkyl Tertiary Phosphines via the Grignard Approach." Molecules 27, no. 13 (July 1, 2022): 4253. http://dx.doi.org/10.3390/molecules27134253.

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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. In the present work, we report the synthesis and characterization of some mixed arylalkyl tertiary phosphines via the Grignard approach. A new asymmetric phosphine is characterized extensively by multi-spectroscopic techniques. IR and UV–Vis spectra of some selected compounds are also compared and discussed. Density functional theory (DFT)-calculated results support the formation of the new compounds.
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7

Hampton, Cashman R. S. M., Ian R. Butler, William R. Cullen, Brian R. James, Jean Pierre Charland, and J. Simpson. "Molecular dihydrogen and hydrido derivatives of ruthenium(II) complexes containing chelating ferrocenyl-based tertiary phosphine amine ligands and/or monodentate tertiary phosphine ligands." Inorganic Chemistry 31, no. 26 (December 1992): 5509–20. http://dx.doi.org/10.1021/ic00052a029.

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8

Fuchs, Stefan, José M. López-de-Luzuriaga, M. Elena Olmos, Alexander Sladek, and Hubert Schmidbaur. "Gold Coordination by a Tertiary Phosphine with Three Thioether Functions." Zeitschrift für Naturforschung B 52, no. 2 (February 1, 1997): 217–20. http://dx.doi.org/10.1515/znb-1997-0213.

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Abstract The reaction of tris(phenylthiomethyl)phosphine with equimolecular amounts of [AuPPh3]+[BF4]- affords the complex (tris(phenylthiomethyl)phosphine)(triphenylphosphine)- gold(I) tetrafluoroborate 1 in good yield. The X-ray diffraction analysis of this product shows an unusual conformation with the three ChLSPh arms of the phosphine folded back towards the metal atom shielding the P-Au-P′ unit. The reaction of the same substrate with Bis(tetrahydrothiophene)gold(I) perchlorate in a 1:1 molar ratio leads to the displacement of both weakly coordinated tht ligands, and a dimeric product [AuP(CH2SPh)3]2(ClO4)2 2 is obtained.
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9

Henyecz, Réka, and György Keglevich. "New Developments on the Hirao Reactions, Especially from “Green” Point of View." Current Organic Synthesis 16, no. 4 (July 4, 2019): 523–45. http://dx.doi.org/10.2174/1570179416666190415110834.

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Background: The Hirao reaction discovered ca. 35 years ago is an important P–C coupling protocol between dialkyl phosphites and aryl halides in the presence of Pd(PPh3)4 as the catalyst and a base to provide aryl phosphonates. Then, the reaction was extended to other Preagents, such as secondary phosphine oxides and H-phosphinates and to other aryl and hetaryl derivatives to afford also phosphinic esters and tertiary phosphine oxides. Instead of the Pd(PPh3)4 catalyst, Pd(OAc)2 and Ni-salts were also applied as catalyst precursors together with a number of mono- and bidentate P-ligands. Objective: In our review, we undertook to summarize the target reaction with a special stress on the developments attained in the last 6 years, hence this paper is an update of our earlier reviews in a similar topic. Conclusion: “Greener” syntheses aimed at utilizing phase transfer catalytic and microwave-assisted approaches, even under “P-ligand-free. or even solvent-free conditions are the up-to date versions of the classical Hirao reaction. The mechanism of the reaction is also in the focus these days.
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10

Asadi, Mozaffar, Ali Hossein Sarvestani, and Bahram Hemateenejad. "The Thermodynamics of Tertiary Phosphine Cobalt (III) Schiff Base Complexes." Journal of Chemical Research 2002, no. 10 (October 2002): 520–23. http://dx.doi.org/10.3184/030823402103170600.

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In this work, the thermodynamics of some other cobalt (III) Schiff base complexes with different ligands and the solvent effect have been examined. Comparison of their properties, spectrally and thermodynamically, aimed to investigate the effects of different electronic and steric situations.
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11

Bennett, MA, and GT Crisp. "Oxidative Addition of Functionalized Alkyl-Halides to Iridium(I) Complexes IrCl(Co)L2 (L = PMe2Ph2>, IrCl(Co)PMe3)." Australian Journal of Chemistry 39, no. 9 (1986): 1363. http://dx.doi.org/10.1071/ch9861363.

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Iridium(I) complexes IrCl (CO)L2 (L = PMePh2, PMe2Ph, PMe3) oxidatively add alkyl bromides RBr bearing electron-withdrawing substituents on the α-carbon atom (R = CH2CO2Et,CH3CHCO2Et,CH3CHCOCH3,C2H5CHNO2) to give octahedrally coordinated alkyliridium (III) complexes IrBrClR (CO)L2, for which 1H and 31P n.m.r . data are reported. In the secondary alkyls, the mutually trans tertiary phosphine ligands are inequivalent, consequently the P-Me resonance is not the usual 1 : 2 : 1 'virtual' triplet. In some cases the pattern is a doublet or a doublet of doublets, similar to that expected for mutually cis tertiary phosphine ligands . In contrast to simple s- alkyliridium (III) complexes, the functionalized s-alkyls do not isomerize under any conditions to the corresponding n-alkyls, and the reverse process does not occur for n-alkyls such as IrBrCl (CH2CH2CO2Et)(CO)(PMe3)2 and IrClI (CH2CH2CN)(CO)(PMe3)2. Diiodomethane and chloroiodomethane readily add to IrCl (CO)L2 to give haloalkyliridium (III) complexes IrClI (CH2Y)(CO)L2(Y = Cl , I). These contain mutually trans tertiary phosphine ligands , although in the case of L = PMe2Ph unstable cis - isomers can be detected. Attempts to form complexes containing Ir - CHBrCH3 or Ir -CH(OC2H5)CH3 by addition of CH3CHBr2 or CH3CHClOC2H5 to IrCl (CO)(PMe3)2 gave only IrBr2Cl(CO)(PMe3)2 and IrHCl2(CO)(PMe3)2, respectively.
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12

Hidai, Masanobu, and Yasushi Mizobe. "Research inspired by the chemistry of nitrogenase — Novel metal complexes and their reactivity toward dinitrogen, nitriles, and alkynes." Canadian Journal of Chemistry 83, no. 4 (April 1, 2005): 358–74. http://dx.doi.org/10.1139/v05-016.

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Summarized here are our continuous studies of the last three decades concerning syntheses of new types of complexes learned from nitrogenase and their reactivites toward dinitrogen, nitriles, and alkynes. For Mo and W dinitrogen complexes with tertiary phosphine coligands, a variety of their intriguing reactivities have been demonstrated, and novel transformations of the N2 ligands into numerous nitrogen-containing ligands and compounds have been developed. The C≡N bond cleavage of certain nitriles also proceeds on the Mo site surrounded by tertiary phosphines. Stimulated by the sophisticated structure of the active site of nitrogenase, multinuclear metal–sulfur complexes have been synthesized in rational ways. New types of stoichiometric and catalytic reactions of alkynes have been found by using the thiolato-bridged diruthenium complexes and some cubane-type sulfido clusters containing a noble metal.Key words: nitrogen fixation, molybdenum and tungsten dinitrogen complexes, ruthenium thiolato complexes, metal sulfido clusters, nitriles, alkynes.
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13

Grushin, Vladimir V., Corinne Bensimon, and Howard Alper. "Potassium complexes containing both crown ether and tertiary phosphine oxide ligands." Inorganic Chemistry 32, no. 3 (February 1993): 345–46. http://dx.doi.org/10.1021/ic00055a021.

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14

A.L. Becket, Clifford, Saleh Ahmed Al-Qallaf, and John C. Cooper. "Reactions of decakis(isopropylisocyanide)dicobalt(II) complexes with tertiary phosphine ligands." Inorganica Chimica Acta 188, no. 1 (October 1991): 99–106. http://dx.doi.org/10.1016/s0020-1693(00)80925-1.

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15

Meijboom, Reinout, Richard J. Bowen, and Susan J. Berners-Price. "Coordination complexes of silver(I) with tertiary phosphine and related ligands." Coordination Chemistry Reviews 253, no. 3-4 (February 2009): 325–42. http://dx.doi.org/10.1016/j.ccr.2008.03.001.

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16

Bruce, Michael I., Benjamin C. Hall, Brian W. Skelton, and Allan H. White. "Some Alkynyl-Ruthenium Complexes Containing Di-Imine and Tertiary Phosphine Ligands." Zeitschrift für anorganische und allgemeine Chemie 634, no. 6-7 (June 2008): 1097–101. http://dx.doi.org/10.1002/zaac.200800020.

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17

Shang, Rui, Yao Fu, and Guang-Zu Wang. "Irradiation-Induced Palladium-Catalyzed Direct C–H Alkylation of Heteroarenes with Tertiary and Secondary Alkyl Bromides." Synthesis 50, no. 15 (April 25, 2018): 2908–14. http://dx.doi.org/10.1055/s-0036-1592000.

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A palladium catalyst in combination with two types of phosphine ligands efficiently catalyzes direct C–H alkylation of heteroarenes with secondary and tertiary alkyl bromides under irradiation conditions. Irradiation of blue light-emitting diodes (blue LEDs) effectively excites phosphine-ligated palladium catalyst to facilitate oxidative addition with alkyl bromides, and also excites the alkylpalladium species to enable the generation of alkyl radicals to react with heteroarenes.
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18

Pietsch, B., and L. Dahlenburg. "Oligophosphine ligands. XXVI. Halogenomolybdenum complexes containing oligo(tertiary) phosphine ligands: synthesis, electrochemistry, and molecular structures." Inorganica Chimica Acta 145, no. 2 (May 1988): 195–203. http://dx.doi.org/10.1016/s0020-1693(00)83957-2.

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19

Carlsson, Marcus, and Bertil Eliasson. "One-Pot Synthesis oftransMono- or Diarylalkynyl Substituted Platinum(II) Compounds with Tertiary Phosphine or Phosphite Ligands." Organometallics 25, no. 22 (October 2006): 5500–5502. http://dx.doi.org/10.1021/om060616i.

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20

Mohr, Fabian, Steven H. Privér, Suresh K. Bhargava, and Martin A. Bennett. "Ortho-metallated transition metal complexes derived from tertiary phosphine and arsine ligands." Coordination Chemistry Reviews 250, no. 15-16 (August 2006): 1851–88. http://dx.doi.org/10.1016/j.ccr.2005.10.003.

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21

Levason, William, Francesco M. Monzittu, Gillian Reid, and Wenjian Zhang. "Neutral and cationic tungsten(vi) fluoride complexes with tertiary phosphine and arsine coordination." Chemical Communications 54, no. 83 (2018): 11681–84. http://dx.doi.org/10.1039/c8cc05598j.

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The dodecahedral [WF4{o-C6H4(EMe2)2}2]2+ dications (E = P, As) present the highest oxidation state metal fluoride complexes with soft donor ligands.
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22

Heßler, Antonella, Konstantin W. Kottsieper, Stefan Schenk, Michael Tepper, and Othmar Stelzer. "A Novel Access to Tertiary and Secondary ortho-Aminophenylphosphines by Protected Group Synthesis and Palladium Catalyzed P-C Coupling Reactions." Zeitschrift für Naturforschung B 56, no. 4-5 (May 1, 2001): 347–53. http://dx.doi.org/10.1515/znb-2001-4-504.

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Abstract The dilithium salt 1a formed by ortho-metallation of N-tert-butoxycarbonylaniline (BOC-aniline) 1 with two equivalents of tert-butyllithium reacts with the chlorophosphines Ph3-nPCln (n = 1 -3) to yield the BOC protected ortho-aminophenylphosphines 2 - 4 in high yields. On deprotection of 2 - 4 with trimethylchlorosilane in the presence of phenol the HCl adducts of the ortho-aminophenylphosphines 5 -7 are formed which may be deprotonated with KOH or NaOH to give the neutral phosphines 5a -7a. The novel secondary phosphine 8 with two ortho-aminophenyl groups is accessible by cleavage of the P-C bond in 7a with metallic lithium and subsequent hydrolysis. The bifunctional P,N ligands 6 or 6a are alternatively accessible by Pd-catalyzed P-C coupling of ortho-iodoaniline with phenylphosphine. If a 1:1 stoichiometry is employed in the coupling reaction of ortho-iodoaniline and phenylphosphine the chiral secondary phosphine 9 is formed.
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23

Berners-Price, Susan J., Randall K. Johnson, Christopher K. Mirabelli, Leo F. Faucette, Francis L. McCabe, and Peter J. Sadler. "Copper(I) complexes with bidentate tertiary phosphine ligands: solution chemistry and antitumor activity." Inorganic Chemistry 26, no. 20 (October 1987): 3383–87. http://dx.doi.org/10.1021/ic00267a034.

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24

Levason, William, Gillian Reid, and Wenjian Zhang. "Six-coordinate NbF5 and TaF5 complexes with tertiary mono-phosphine and -arsine ligands." Journal of Fluorine Chemistry 172 (April 2015): 62–67. http://dx.doi.org/10.1016/j.jfluchem.2015.01.010.

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25

Khalili Najafabadi, Bahareh, and John F. Corrigan. "Silylphosphido complexes of gold(I) coordinated with NHC ligands." Canadian Journal of Chemistry 94, no. 7 (July 2016): 593–98. http://dx.doi.org/10.1139/cjc-2016-0096.

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The N-heterocyclic carbenes IPr (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) and iPr2-bimy (iPr2-bimy = 1,3-di-isopropylbenzimidazole-2-ylidene) were utilized as a basis for the preparation of four gold–silylphosphido complexes: [(IPr)AuP(Ph)SiMe3] (1), [(IPr)AuP(SiMe3)2] (2), [(iPr2-bimy)AuP(Ph)SiMe3] (3), and [(iPr2-bimy)AuP(SiMe3)2] (4). These complexes represent rare examples of terminally bonded Au–PR2 and the first examples where phosphorus retains reactive P-SiMe3 moieties. The reactivity of the P–Si bonds in 1 and 3 was explored via the addition of PhC(O)Cl. The products of these reactions were the formation of the phosphido-bridged [(IPrAu)2(μ-PPhC(O)Ph)][AuCl2] (5) and, in the case of the smaller N-heterocyclic carbenes, the tertiary phosphine PPh(C(O)Ph)2 (6) was isolated together with the known gold complex [(iPr2-bimy)AuCl]. Both reactions proceed via the elimination of ClSiMe3.
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26

Kunze, Udo, and Andreas Bruns. "Phosphinsubstituierte Chelatliganden, XII [1]. Metallinduzierte E/Z-Isomerisierung an Rheniumcarbonyl-Komplexen mit Phosphinothioformamid-und -thioformimidat-Liganden / Phosphine-Substituted Chelate Ligands, XII [1]. Metal-Induced E/Z-Isomerisation of Rheniumcarbonyl Complexes with Phosphino- thioformamide and -thioformimidate Ligands." Zeitschrift für Naturforschung B 40, no. 1 (January 1, 1985): 127–28. http://dx.doi.org/10.1515/znb-1985-0125.

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The coordination of tertiary phosphinothioformamides and the isomeric S-alkyl phosphinothioformimidates to BrRe(CO)5 gives the fac-bromotricarbonylrhenium complexes 1a, b and 2a, b with P,S-chelate ligands. Unlike the analogous manganese complexes, the NMR spectra of dissolved 1b and 2a, b show a splitting of the N-alkyl (1H, 13C) and phosphorus signals indicating E/Z isomerisation of the ligands
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27

Nie, Shao-Zhen, Zhong-Yang Zhou, Ji-Ping Wang, Hui Yan, Jing-Hong Wen, Jing-Jing Ye, Yun-Yao Cui, and Chang-Qiu Zhao. "Nonepimerizing Alkylation of H–P Species to Stereospecifically GenerateP-Stereogenic Phosphine Oxides: A Shortcut to Bidentate Tertiary Phosphine Ligands." Journal of Organic Chemistry 82, no. 18 (August 30, 2017): 9425–34. http://dx.doi.org/10.1021/acs.joc.7b01413.

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28

Giles, Alexander J., Jennifer Pagan, Kinnari Patel, and E. B. Stokes. "Assembly of CdSeS(ZnS) Quantum Dots in Langmuir Films with Tertiary Alkyl Phosphine Ligands." ECS Transactions 16, no. 25 (December 18, 2019): 155–62. http://dx.doi.org/10.1149/1.3115535.

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29

Katayama, Hiroyuki, and Fumiyuki Ozawa. "Convenient Routes to Vinylideneruthenium Dichlorides with Basic and Bulky Tertiary Phosphine Ligands (PPri3and PCy3)." Organometallics 17, no. 23 (November 1998): 5190–96. http://dx.doi.org/10.1021/om980582h.

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30

Marmion, Mary E., and Kenneth J. Takeuchi. "Preparation and characterization of stable ruthenium(IV)-oxo complexes that contain tertiary phosphine ligands." Journal of the American Chemical Society 108, no. 3 (February 1986): 510–11. http://dx.doi.org/10.1021/ja00263a028.

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31

Kelly, Robert D., and G. Brent Young. "Synthesis and spectroscopic characteristics of bis(ethenyldimethylsilylmethyl)platinum(II) complexes containing tertiary phosphine ligands." Polyhedron 8, no. 4 (January 1989): 433–45. http://dx.doi.org/10.1016/s0277-5387(00)80738-x.

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32

Becker, Clifford A. L., Abdolmajid Anisi, Gregg Myer, and Jana D. Wright. "Preparation of tetrakis(t-butylisocyanide)aquacobalt(II) perchlorate and reaction with tertiary phosphine ligands." Inorganica Chimica Acta 111, no. 1 (January 1986): 11–18. http://dx.doi.org/10.1016/s0020-1693(00)82209-4.

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33

Cyue, Jhih-Yu, Pilli V. V. N. Kishore, Jian-Hong Liao, Yan-Ru Lin, and C. W. Liu. "Synthesis and characterization of CuI/AuI complexes derived from monothiocarbonate and tertiary phosphine ligands." Inorganica Chimica Acta 462 (June 2017): 97–105. http://dx.doi.org/10.1016/j.ica.2017.03.018.

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34

Gantsho, Verity Lindy, Mazzarine Dotou, Marta Jakubaszek, Bruno Goud, Gilles Gasser, Hendrik Gideon Visser, and Marietjie Schutte-Smith. "Synthesis, characterization, kinetic investigation and biological evaluation of Re(i) di- and tricarbonyl complexes with tertiary phosphine ligands." Dalton Transactions 49, no. 1 (2020): 35–46. http://dx.doi.org/10.1039/c9dt04025k.

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35

Campos, Jesús, and Ernesto Carmona. "Rhodium and Iridium Complexes of Bulky Tertiary Phosphine Ligands. Searching for Isolable Cationic MIII Alkylidenes." Organometallics 34, no. 11 (November 26, 2014): 2212–21. http://dx.doi.org/10.1021/om500910t.

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36

Leising, Randolph A., Stephen A. Kubow, and Kenneth J. Takeuchi. "Synthesis and characterization of (nitro)ruthenium complexes that utilize identical trans-positioned tertiary phosphine ligands." Inorganic Chemistry 29, no. 22 (October 1990): 4569–74. http://dx.doi.org/10.1021/ic00347a047.

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37

Berners-Price, Susan J., and Peter J. Sadler. "Gold(I) complexes with bidentate tertiary phosphine ligands: formation of annular vs. tetrahedral chelated complexes." Inorganic Chemistry 25, no. 21 (October 1986): 3822–27. http://dx.doi.org/10.1021/ic00241a023.

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38

Marmion, Mary E., and Kenneth J. Takeuchi. "Correction. Preparation and Characterization of Stable Ruthenium (IV)-Oxo Complexes Which Contain Tertiary Phosphine Ligands." Journal of the American Chemical Society 108, no. 16 (August 1986): 5041. http://dx.doi.org/10.1021/ja00276a603.

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39

Ravindar, Vadde, Herbert Schumann, Holger Hemling, and Jochanan Blum. "Synthesis and structure determination of some platinum (II) complexes with hydrophilic carboxylated tertiary phosphine ligands." Inorganica Chimica Acta 240, no. 1-2 (December 1995): 145–52. http://dx.doi.org/10.1016/0020-1693(95)04528-7.

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40

Li, Chunbang, Lubin Luo, Steven P. Nolan, William Marshall, and Paul J. Fagan. "Relative Binding Energies of Tertiary Phosphine Ligands to the Cp*RuOCH2CF3(Cp* = η5-C5Me5) Moiety." Organometallics 15, no. 15 (January 1996): 3456–62. http://dx.doi.org/10.1021/om9601514.

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41

Komine, Nobuyuki, Tomoko Ishiwata, Jun-ya Kasahara, Erino Matsumoto, Masafumi Hirano, and Sanshiro Komiya. "Synthesis and organic group transfer of organodiplatinum complex with a 1,2-bis(diphenylphosphino)ethane ligand." Canadian Journal of Chemistry 87, no. 1 (January 1, 2009): 176–82. http://dx.doi.org/10.1139/v08-111.

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A series of homometallic alkyl- and phenyldinuclear complexes containing one platinum–platinum bond, (dppe)RPt–Pt(η5-Cp)(CO) (R = Me, Et, CH2CMe3, Ph), have been prepared by oxidative addition of the Pt–C bond of PtR(η5-Cp) to Pt(styrene)(dppe), and were characterized by spectroscopic methods and (or) X-ray structure analysis. The geometry at Pt with a dppe ligand is square planar, and the carbonyl and Cp ligand of the Pt(η5-Cp)(CO) moiety lie orthogonal to the coordination plane of former platinum. Competitive organic group transfer reactions along the Pt–Pt bond in these complexes took place to give PtR(η5-Cp)(CO) and PtR(η1-Cp)(dppe) on thermolysis. Alkyl or aryl transfer from Pt with a dppe ligand were enhanced by addition of olefin, whereas treatment with CO and tertiary phosphine ligands causes Cp transfer from Pt(η5-Cp)(CO).Key words: organoplatinum–platinum complex, organic group transfer.
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42

Dammak, Khouloud, Marina Porchia, Michele De Franco, Mirella Zancato, Houcine Naïli, Valentina Gandin, and Cristina Marzano. "Antiproliferative Homoleptic and Heteroleptic Phosphino Silver(I) Complexes: Effect of Ligand Combination on Their Biological Mechanism of Action." Molecules 25, no. 22 (November 23, 2020): 5484. http://dx.doi.org/10.3390/molecules25225484.

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A series of neutral mixed-ligand [HB(pz)3]Ag(PR3) silver(I) complexes (PR3 = tertiary phosphine, [HB(pz)3]− = tris(pyrazolyl)borate anion), and the corresponding homoleptic [Ag(PR3)4]BF4 compounds have been synthesized and fully characterized. Silver compounds were screened for their antiproliferative activities against a wide panel of human cancer cells derived from solid tumors and endowed with different platinum drug sensitivity. Mixed-ligand complexes were generally more effective than the corresponding homoleptic derivatives, but the most active compounds were [HB(pz)3]Ag(PPh3) (5) and [Ag(PPh3)4]BF4 (10), both comprising the lipophilic PPh3 phosphine ligand. Detailed mechanistic studies revealed that both homoleptic and heteroleptic silver complexes strongly and selectively inhibit the selenoenzyme thioredoxin reductase both as isolated enzyme and in human ovarian cancer cells (half inhibition concentration values in the nanomolar range) causing the disruption of cellular thiol-redox homeostasis, and leading to apoptotic cell death. Moreover, for heteroleptic Ag(I) derivatives, an additional ability to damage nuclear DNA has been detected. These results confirm the importance of the type of silver ion coordinating ligands in affecting the biological behavior of the overall corresponding silver complexes, besides in terms of hydrophilic–lipophilic balance, also in terms of biological mechanism of action, such as interaction with DNA and/or thioredoxin reductase.
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43

Serron, Scafford A., and Steven P. Nolan. "Solution thermochemical study of ligand substitution reaction of novel pyrrolyl-substituted tertiary phosphine ligands in the L2Fe(CO)3 system." Inorganica Chimica Acta 252, no. 1-2 (November 1996): 107–13. http://dx.doi.org/10.1016/s0020-1693(96)05303-0.

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44

Fergusson, Jack E., and Richard K. Coll. "Radiation induced reactions of some platinum metal nitrosyl complexes containing tertiary phosphine, arsine and stibine ligands." Inorganica Chimica Acta 207, no. 2 (May 1993): 191–97. http://dx.doi.org/10.1016/s0020-1693(00)90709-6.

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45

Bowmaker, Graham A., Howard J. Clase, Nathaniel W. Alcock, Janet M. Kessler, John H. Nelson, and James S. Frye. "Crystal structures vibrational 31p NMR studies of complexes of tertiary phosphine ligands with mercury(II) halides." Inorganica Chimica Acta 210, no. 1 (August 1993): 107–24. http://dx.doi.org/10.1016/s0020-1693(00)82830-3.

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46

Durran, Sean E., Martin B. Smith, Alexandra MZ Slawin, Thomas Gelbrich, Michael B. Hursthouse, and Mark E. Light. "Synthesis and coordination studies of new aminoalcohol functionalized tertiary phosphines." Canadian Journal of Chemistry 79, no. 5-6 (May 1, 2001): 780–91. http://dx.doi.org/10.1139/v01-037.

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The synthesis of two new aminoalcohol functionalized tertiary phosphines o-Ph2PCH2N(H)C6H4(OH) (I) and o-Ph2PCH2N(H)C6H4(CH2OH) (II) are reported. Oxidation with aqueous H2O2 gave the corresponding phosphine oxides o-Ph2P(O)CH2N(H)C6H4(OH) (III) and o-Ph2P(O)CH2N(H)C6H4(CH2OH) (IV) (31P NMR evidence only). The ligating ability of I, II and, in several cases, the known ligand 2,3-Ph2PCH2N(H)C5H3N(OH) (V), was investigated with a range of late transition-metal precursors. Accordingly, reaction of 2 equiv of I (or II) with [MCl2(cod)] (M = Pd or Pt, cod = cycloocta-1,5-diene) gave the corresponding dichloro metal(II) complexes [MCl2(I)2] (M = Pd 1; M = Pt 2) and [MCl2(II)2] (M = Pd 3; M = Pt 4) in which I (and II) P-coordinate. Solution NMR studies reveal that 2 and 4 are exclusively cis whereas 1 and 3 are present as a mixture of cis and (or) trans isomers [4.7:1 (for 1); 2.2:1 (for 3)]. Reaction of 2 equiv of II with [Pt(CH3)2(cod)] gave the neutral complex [Pt(CH3)2(II)2] (5) whose X-ray structure confirmed a cis disposition of "hybrid" ligands. In contrast, reaction of I with [Pt(CH3)2(cod)] gave initially [Pt(CH3)2(I)2] (6) which, upon standing, afforded several products possibly reflecting an increased acidity of the phenolic groups of ligated I. Chloro bridge cleavage reactions of [{Ru(µ-Cl)Cl(p-cymene)}2] or [{Rh(µ-Cl)Cl{C5(CH3)5}}2] with I (or II) proceeds smoothly and gave the mononuclear complexes [RuCl2(p-cymene)I] (7), [RuCl2(p-cymene)II] (8), [RhCl2{C5(CH3)5}I] (9), and [RhCl2{C5(CH3)5}II] (10) in good yield. X-ray crystallography confirms both ruthenium complexes bear P-coordinated I (or II) ligands. Molecules of 7 are linked into linear chains via O-H···Clcoord intermolecular hydrogen bonding, a feature absent in the closely related compound 8. Reaction of [AuCl(tht)] (tht = tetrahydrothiophene) with 1 equiv of I (or II) gave the corresponding gold(I) complexes [AuCl(I)] (11) and [AuCl(II)] (12). Bridge cleavage of the cyclometallated palladium(II) dimers [{Pd(µ-Cl)(C~N)}2] [C~N = C,N-C6H4CH2N(CH3)2, C,N-C10H6N(CH3)2, C,N-C6H4N=NC6H5] with V (or I) gave the neutral complexes [PdCl(C~N)V] (13-15) (or [PdCl(C9H12N)I] (16)), respectively. Chloride abstraction from 13 (or 15) with Ag[BF4] gave the cationic complexes [Pd(C~N)V][BF4] (17) (or 18) in which V P,N pyridyl-chelates to the palladium(II) metal centre. The X-ray structures of 13 and 18 have been determined and confirm the expected coordination environments. An array of intra- and intermolecular H-bonding contacts are also observed. All compounds have been characterized by a combination of spectroscopic and analytical studies.Key words: phosphines, crystal structures, alcohols, precious metals.
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47

Alyea, Elmer C., George Ferguson, John Malito, and Barbara L. Ruhl. "Cyclopalladation of trimesitylarsine. The X-ray crystal structure for." Canadian Journal of Chemistry 66, no. 12 (December 1, 1988): 3162–65. http://dx.doi.org/10.1139/v88-488.

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The bulky trimesitylarsine ligand, As(mes)3, undergoes facile cyclopalladation to yield the dimeric complex, [Formula: see text], characterized by microanalysis, IR and 1H NMR spectroscopy. This complex is very stable but readily undergoes bridge-cleavage reactions with tertiary phosphine ligands having ligand cone angles less than 170°. The crystal structure for the PPh3 bridge-cleavage product is reported. This complex, [Formula: see text] is monoclinic, space group P21/c with a = 20.469(2), b = 12.702(2), c = 15.401(4) Å, β = 98.46(1)°, V = 3961 Å3Z = 4, R = 0.0284 and Rw = 0.0305. The Pd geometry is distorted square-planar with principal dimensions, Pd—Cl 2.395(1), Pd—P 2.318(1), Pd—C 2.056(3), and Pd—As 2.437(1) Å; As—Pd—Cl 96.5(1), Cl—Pd—P 90.9(1), P—Pd—C 93.7(1), As—Pd—C 78.9(1), As—Pd—P 172.6(1), and Cl—Pd—C 171.7(1)°. The average C—P—C angle (104.3(1)°) is smaller than expected and is rationalized on the basis of steric effects operative within the complex.
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48

Ehlich, Hendrik, Annette Schier, and Hubert Schmidbaur. "New Pathways to Compact Tetragold(I) Bis(phenylene-1,2-dithiolate) Complexes with Tertiary Phosphine and Isonitrile Ligands." Organometallics 21, no. 12 (June 2002): 2400–2406. http://dx.doi.org/10.1021/om020149e.

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49

Chutia, Pratap, Nandini Kumari, Manab Sharma, J. Derek Woollins, Alexandra M. Z. Slawin, and Dipak Kumar Dutta. "Ruthenium(II) carbonyl complexes containing tertiary phosphine chalcogenide ligands of the type Ph3PX; X=O, S, Se." Polyhedron 23, no. 9 (May 2004): 1657–61. http://dx.doi.org/10.1016/j.poly.2004.03.016.

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50

Fisher, Keith, Ian Dance, and Gary Willett. "Gas phase coordination chemistry: copper sulfide cluster anions reacting with tertiary phosphine ligands in the gas phase." Polyhedron 16, no. 16 (January 1997): 2731–35. http://dx.doi.org/10.1016/s0277-5387(97)00046-6.

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