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Articles de revues sur le sujet « Diphosphines synthesis »

Auteur : Grafiati

Publié le 21 décembre 2024

Mis à jour le 31 juillet 2025

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1

Thomson, RJ, WR Jackson, D. Haarburger, EI Klabunovsky, and VA Pavlov. "The Stereochemistry of Organometallic Compounds. XXIX. Synthesis of Steroidal 1,4-Diphosphine, 1,3-Diphosphine and 1,6-Diphosphine and Their Evaluation as Ligands in Metal Catalyzed Asymmetric Synthesis." Australian Journal of Chemistry 40, no. 6 (1987): 1083. http://dx.doi.org/10.1071/ch9871083.

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The steroidal 1,4-diphosphines 3α- and 3β-diphenylphosphino-2a-(2'-diphenylphosphinoethyl)-5α-cholestanes and their 5H-benzo[b] phosphindole derivatives have been prepared and shown to be useful ligands in asymmetric hydrogenation reactions. Interestingly the 3α- and 3β-derivatives lead to opposing enantioselection preferences when used in these reactions. A steroidal 1,3-diphosphine, 3α-diphenylphosphino-2α-diphenylphosphinomethyl-5α-cholestane, has been prepared as a mixture containing some of the 3β-epimer. The 3α-1,3-diphosphine led to similar enantioselection in hydrogenation reactions as

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2

Ahmed S. M. Al-Janabi, Hayfa Muhammed Jerjes, and Mohammed H. Salah. "Synthesis and characterization of new metal complexes of thione and phosphines Ligands." Tikrit Journal of Pure Science 22, no. 9 (2023): 53–57. http://dx.doi.org/10.25130/tjps.v22i9.875.

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The complexes containing mixed of ligands [5-(3-chlorophenyl) -1,3,4-oxadiazole-2-thione(CPoxSH)] and diphosphines Ph2P(CH2)nPPh2 (diphos)(n=1-4), are prepared by the reaction of [Hg(CPoxS)2] or [M(H2O)2(CPoxS)2] (M = Co, Ni ) with one mole proportion of the diphosphine Ph2P(CH2)nPPh2 gave tetrahedral complexes of the type [Hg(CPoxS)2(diphos)]. While gave an octahedral complexes with cobalt(II) and nickel(II) ions of the type [M(H2O)(CPoxS)2(diphos)] when (M = Co and Ni ) receptivity. The prepared complexes were characterized by molar conductivity, elemental analysis, IR, 1H, 13C-{1H} an

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3

Quirmbach, Michael, Jens Holz, Vitali I. Tararov, and Armin Börner. "Synthesis of Heterofunctionalized Multidentate Diphosphines." Tetrahedron 56, no. 5 (2000): 775–80. http://dx.doi.org/10.1016/s0040-4020(99)01075-3.

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4

Lee, Kyounghoon, Courtney M. Donahue, and Scott R. Daly. "Triaminoborane-bridged diphosphine complexes with Ni and Pd: coordination chemistry, structures, and ligand-centered reactivity." Dalton Transactions 46, no. 29 (2017): 9394–406. http://dx.doi.org/10.1039/c7dt02144e.

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5

Zablocka, Maria, Nathalie Cénac, Alain Igau, et al. "Regioselective Synthesis of Tricyclic 1,1-Diphosphines." Organometallics 15, no. 25 (1996): 5436–38. http://dx.doi.org/10.1021/om960545v.

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6

Zhou, Jianrong Steve, Siyu Guo, Xiaohu Zhao та Yonggui Robin Chi. "Nickel-catalyzed enantioselective umpolung hydrogenation for stereoselective synthesis of β-amido esters". Chemical Communications 57, № 87 (2021): 11501–4. http://dx.doi.org/10.1039/d1cc05257h.

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7

Louise Hazeland, E., Andy M. Chapman, Paul G. Pringle, and Hazel A. Sparkes. "A one-step, modular route to optically-active diphos ligands." Chemical Communications 51, no. 50 (2015): 10206–9. http://dx.doi.org/10.1039/c5cc03517a.

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A chlorosilane elimination reaction has been developed that allows the efficient synthesis of optically pure C<sub>1</sub>-symmetric, C<sub>1</sub>-backboned diphosphines with a wide variety of stereoelectronic characteristics.

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8

Burck, Sebastian, Imre Hajdók, Martin Nieger, et al. "Activation of Polarized Phosphorus–Phosphorus Bonds by Alkynes: Rational Synthesis of Unsymmetrical 1,2-Bisphosphine Ligands and Their Complexes." Zeitschrift für Naturforschung B 64, no. 1 (2009): 63–72. http://dx.doi.org/10.1515/znb-2009-0109.

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The reactions of 1,1-diamino-2,2-diphenyl-substituted diphosphines featuring various degrees of P-P bond polarization with different alkynes were investigated. All diphosphines reacted with alkynes carrying one or two electron withdrawing carboxylic ester moieties under cleavage of the P-P bond and stereospecific phosphinyl-phosphination at the triple bond to give unsymmetrical ethane-1,2- bisphosphines. Several of the products were further converted into chelate complexes upon reaction with group-10 metal dihalides. All isolated compounds were characterized by analytical and spectroscopic dat

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9

Knopf, Ioana, Daniel Tofan, Dirk Beetstra, Abdulaziz Al-Nezari, Khalid Al-Bahily, and Christopher C. Cummins. "A family of cis-macrocyclic diphosphines: modular, stereoselective synthesis and application in catalytic CO2/ethylene coupling." Chemical Science 8, no. 2 (2017): 1463–68. http://dx.doi.org/10.1039/c6sc03614g.

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The stereoselective synthesis of a family of cis-macrocyclic diphosphines was achieved in only three steps from white phosphorus and commercial materials. These new ligands showed activity in the nickel-catalyzed coupling of CO<sub>2</sub> and ethylene.

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10

Alder, Roger W., and David Read. "Medium-ring diphosphines: synthesis and transannular chemistry." Coordination Chemistry Reviews 176, no. 1 (1998): 113–33. http://dx.doi.org/10.1016/s0010-8545(98)00114-3.

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11

Arisawa, Mieko. "Transition-Metal-Catalyzed Synthesis of Organophosphorus Compounds Involving P–P Bond Cleavage." Synthesis 52, no. 19 (2020): 2795–806. http://dx.doi.org/10.1055/s-0040-1707890.

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Organophosphorus compounds are used as drugs, pesticides, detergents, food additives, flame retardants, synthetic reagents, and catalysts, and their efficient synthesis is an important task in organic synthesis. To synthesize novel functional organophosphorus compounds, transition-metal-catalyzed methods have been developed, which were previously considered difficult because of the strong bonding that occurs between transition metals and phosphorus. Addition reactions of triphenylphosphine and sulfonic acids to unsaturated compounds in the presence of a rhodium or palladium catalyst lead to ph

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12

Arisawa, Mieko, and Masahiko Yamaguchi. "Transition-metal-catalyzed synthesis of organosulfur compounds." Pure and Applied Chemistry 80, no. 5 (2008): 993–1003. http://dx.doi.org/10.1351/pac200880050993.

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Rhodium complexes are efficient catalysts for the synthesis of organosulfur compounds. They catalyze the addition reaction of organosulfur groups to unsaturated compounds, the substitution of C-H with organosulfur groups, and single-bond metathesis reactions. They cleave S-S bonds and transfer the organosulfur groups to various organic and inorganic molecules, including alkynes, allenes, disulfides, sulfur, isonitriles, imines, diphosphines, thiophosphinites, hydrogen, 1-alkylthio-1-alkynes, thioesters, and allyl sulfides.

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13

ZABLOCKA, M., N. CENAC, A. IGAU, et al. "ChemInform Abstract: Regioselective Synthesis of Tricyclic 1,1-Diphosphines." ChemInform 28, no. 14 (2010): no. http://dx.doi.org/10.1002/chin.199714142.

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14

Cazorla, Clément, Lorenzo Casimiro, Tanzeel Arif, et al. "Synthesis and properties of photoswitchable diphosphines and gold(i) complexes derived from azobenzenes." Dalton Transactions 50, no. 21 (2021): 7284–92. http://dx.doi.org/10.1039/d1dt01080h.

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15

Guillaneux, Denis, Lars Martiny, and Henri B. Kagan. "Diferrocenylphosphine: A Facile Synthesis and Its Use to Prepare Chiral Phosphines." Collection of Czechoslovak Chemical Communications 65, no. 5 (2000): 717–28. http://dx.doi.org/10.1135/cccc20000717.

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Diferrocenylphosphine-borane has been synthesized in three steps from monolithio- ferrocene. This compound may be transformed into the corresponding phosphide which is a nucleophilic reagent allowing to introduce the diferrocenylphosphino grouping in organic compounds. Several chiral diphosphines related to DIOP have been synthesized by this method. The corresponding rhodium complexes are catalysts in the hydrogenation of various C=C double bonds.

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16

Icsel, Ceyda, Veysel T. Yilmaz, Muhittin Aygun, Buse Cevatemre, Pinar Alper, and Engin Ulukaya. "Palladium(ii) and platinum(ii) saccharinate complexes with bis(diphenylphosphino)methane/ethane: synthesis, S-phase arrest and ROS-mediated apoptosis in human colon cancer cells." Dalton Transactions 47, no. 33 (2018): 11397–410. http://dx.doi.org/10.1039/c8dt02389a.

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17

Molitor, Sebastian, Christoph Mahler, and Viktoria H. Gessner. "Synthesis and solid-state structures of gold(i) complexes of diphosphines." New Journal of Chemistry 40, no. 7 (2016): 6467–74. http://dx.doi.org/10.1039/c6nj00786d.

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18

Yorimitsu, Hideki. "Homolytic substitution at phosphorus for C–P bond formation in organic synthesis." Beilstein Journal of Organic Chemistry 9 (June 28, 2013): 1269–77. http://dx.doi.org/10.3762/bjoc.9.143.

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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 include diphosphines, chalcogenophosphines and stannylphosphines, which bear a weak P–heteroatom bond for homolysis. This article deals with two transformations, radical phosphination by addition across unsaturated C–C bonds and substitution of organic halides.

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19

Ruiz, Javier, Víctor Riera, Marilín Vivanco, Maurizio Lanfranchi, and Antonio Tiripicchio. "Metal-Assisted Synthesis of New and Highly Functionalized Diphosphines." Organometallics 17, no. 18 (1998): 3835–37. http://dx.doi.org/10.1021/om980448x.

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20

Alder, Roger W., and David Read. "ChemInform Abstract: Medium-Ring Diphosphines: Synthesis and Transannular Chemistry." ChemInform 30, no. 12 (2010): no. http://dx.doi.org/10.1002/chin.199912333.

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21

Guerrero, Miguel, Nguyet Trang Thanh Chau, Alain Roucoux, et al. "Organometallic synthesis of water-soluble ruthenium nanoparticles in the presence of sulfonated diphosphines and cyclodextrins." MRS Proceedings 1675 (2014): 219–25. http://dx.doi.org/10.1557/opl.2014.888.

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ABSTRACTThe organometallic approach was successfully applied to synthesize water-soluble ruthenium nanoparticles displaying interesting catalytic properties in hydrogenation of unsaturated model-substrates. Nanocatalyst synthesis was performed by hydrogenation of the complex [Ru(COD)(COT)] in the presence of sulfonated diphosphines and cyclodextrins as protective agents providing very small ruthenium nanoparticles (ca. 1.2-1.5 nm) with narrow size distribution and high stability. Catalysis results in water evidenced a control of the surface properties of these novel ruthenium nanocatalysts at

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22

Vavasori, Andrea, Loris Calgaro, Luca Pietrobon, and Lucio Ronchin. "The coupling of carbon dioxide with ethene to produce acrylic acid sodium salt in one pot by using Ni(II) and Pd(II)-phosphine complexes as precatalysts." Pure and Applied Chemistry 90, no. 2 (2018): 315–26. http://dx.doi.org/10.1515/pac-2017-0706.

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Abstract The use of CO2 as a feedstock for chemical synthesis is considered as a viable alternative option to some traditional processes. One of the most interesting challenge for the industry is represented by the CO2 coupling with olefins to produce acrylate. Only recently, with the choice of suitable ligands and the use of a sacrificial base, a selective catalytic reaction was established by using Ni(0)-based complexes. The one-pot reaction, which leads to the highest TON (107 mol/mol Ni, in 20 h) reported so far, was successfully developed starting from Ni(0)-based precursors in the presen

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23

Lobana, T. S., and Randhir Singh. "Synthesis of ruthenium (II) complexes containing diphosphines and 2-pyridinethiols." Proceedings / Indian Academy of Sciences 106, no. 3 (1994): 797. http://dx.doi.org/10.1007/bf02911147.

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24

Longeau, Alexia, Sandrine Durand, Anja Spiegel, and Paul Knochel. "Synthesis of new C2-symmetrical diphosphines using chiral zinc organometallics." Tetrahedron: Asymmetry 8, no. 7 (1997): 987–90. http://dx.doi.org/10.1016/s0957-4166(97)00052-9.

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25

Samuels, M. C., F. J. L. Heutz, A. Grabulosa, and P. C. J. Kamer. "Solid-Phase Synthesis and Catalytic Screening of Polystyrene Supported Diphosphines." Topics in Catalysis 59, no. 19-20 (2016): 1793–99. http://dx.doi.org/10.1007/s11244-016-0700-1.

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26

Förstera, Daniela, Ingo Hartenbach, Martin Nieger, and Dietrich Gudat. "On the Synthesis and Addition Reactions of Chiral N-Heterocyclic Diphosphines." Zeitschrift für Naturforschung B 67, no. 8 (2012): 765–73. http://dx.doi.org/10.5560/znb.2012-0177.

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Reaction of chiral N-heterocyclic chlorophosphines with lithium diphenylphosphide or of achiral N-heterocyclic chlorophosphines with optically active lithium menthyl phosphide produces chiral N-heterocyclic diphosphines which can be utilized in subsequent diphosphination reactions with activated alkenes or alkynes. The reaction with alkynes proceeds stereospecifically to produce Zethylene- 1,2-bisphosphines which are readily converted to nickel(II) or palladium(II) complexes. Reactions with alkenes are synthetically less useful as the addition proceeds without any chiral induction at the newly

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27

Noyori, Ryoji, Masatoshi Koizumi, Dai Ishii, and Takeshi Ohkuma. "Asymmetric hydrogenation via architectural and functional molecular engineering." Pure and Applied Chemistry 73, no. 2 (2001): 227–32. http://dx.doi.org/10.1351/pac200173020227.

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RuCl2 (phosphine) 2 (1,2-diamine) complexes, coupled with an alkaline base in 2-propanol, allows for preferential hydrogenation of a C=O function over coexisting conjugated or nonconjugated C=C linkages, a nitro group, halogen atoms, and various heterocycles. The functional group selectivity is based on the novel metal-ligand bifunctional mechanism. The use of appropriate chiral diphosphines and diamines results in rapid and productive asymmetric hydrogenation of a range of aromatic, hetero-aromatic, and olefinic ketones. The versatility of this method is manifested by the asymmetric synthesis

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28

Nieczypor, Piotr, Piet W. N. M. van Leeuwen, Johannes C. Mol, Martin Lutz, and Anthony L. Spek. "Synthesis, structure, and metathesis activity of ruthenium carbene complexes containing diphosphines." Journal of Organometallic Chemistry 625, no. 1 (2001): 58–66. http://dx.doi.org/10.1016/s0022-328x(00)00875-5.

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29

Kremer, Carlos, Mario Rivero, Eduardo Kremer, et al. "Synthesis, characterization and crystal structures of rhenium(V) complexes with diphosphines." Inorganica Chimica Acta 294, no. 1 (1999): 47–55. http://dx.doi.org/10.1016/s0020-1693(99)00272-8.

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30

Diéguez, Montserrat, Oscar Pàmies, Aurora Ruiz, Sergio Castillón, and Carmen Claver. "Synthesis of novel diphosphines from d-(+)-glucose. Use in asymmetric hydrogenation." Tetrahedron: Asymmetry 11, no. 23 (2000): 4701–8. http://dx.doi.org/10.1016/s0957-4166(00)00440-7.

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31

Bonnafoux, Laurence, Rafael Gramage-Doria, Françoise Colobert, and Frédéric R. Leroux. "Catalytic Palladium Phosphination: Modular Synthesis of C1-Symmetric Biaryl-Based Diphosphines." Chemistry - A European Journal 17, no. 39 (2011): 11008–16. http://dx.doi.org/10.1002/chem.201101529.

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32

RUIZ, J., V. RIERA, M. VIVANCO, M. LANFRANCHI, and A. TIRIPICCHIO. "ChemInform Abstract: Metal-Assisted Synthesis of New and Highly Functionalized Diphosphines." ChemInform 30, no. 1 (2010): no. http://dx.doi.org/10.1002/chin.199901177.

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33

Pellon, Pascal, Celine Le Goaster, and Loic Toupet. "Diastereoselective synthesis of diphosphines, effect of their configuration in asymmetric catalysis." Tetrahedron Letters 37, no. 27 (1996): 4713–16. http://dx.doi.org/10.1016/0040-4039(96)00948-3.

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34

Macêdo, R. R., P. I. S. Maia, V. M. Deflon, G. F. de S. Miguel, A. E. H. Machado, and G. v. Poelhsitz. "Synthesis and characterization of CIS-[Ru(DPPM)2(BTA)]PF6 (BTA– = 4,4,4-trifluoro-1-phenyl-1,3-butanedionate)." Журнал структурной химии 64, no. 4 (2023): 108210. http://dx.doi.org/10.26902/jsc_id108210.

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The title complex cis-[Ru(dppm)2(bta)]PF6, dppm = 1,1-bis(diphenylphosphino)methane; bta– = 4,4,4-trifluoro-1-phenyl-1,3-butanedionate, was prepared from the cis-[RuCl2(dppm)2] precursor in mild conditions. Elemental analysis, spectroscopy (FTIR, 1H, 31P{1H} and 19F{1H} NMR) as well as single-crystal X-ray diffraction were used to characterize the new complex. Electronic structure of the complex was described utilizing TD-DFT analysis. All data indicate a good degree of purity, a cis arrangement for the diphosphines and a distorted geometry for the ruthenium center.

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35

Spiridonova, Yu S., I. A. Litvinov, E. I. Musina, and A. A. Karasik. "N,O-, N,N-, N,S- AND N,N,S-HETEROCYCLES WITH AN EXOCYCLIC AMINOGROUP IN THE SYNTHESIS OF 1,5,3,7-DIAZADIPHOSPHACYCLOOCTANES." Доклады Российской академии наук. Химия, науки о материалах 510, no. 1 (2023): 40–47. http://dx.doi.org/10.31857/s2686953522600386.

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New 1,5,3,7-diazadiphosphacyclooctanes with N,O-, N,N-, N,S- and N,N,S-heterocyclic substituents at nitrogen atoms were synthesized. The influence of amines containing sp2-hybridized nitrogen atom on the ortho-position of the heterocyclic substituent on the result of a Mannich condensation of primary phosphines, paraformaldehyde and primary amines is revealed. The stabilization of intermediate acyclic products – aminomethyl(hydroxymethyl)arylphosphines and bis(aminomethyl)arylphosphines due to amino-imine tautomerism is a reason of the low yield of cyclic diphosphines on the base of above ment

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36

Xie, Jian-Hua, Li-Xin Wang, Yu Fu, et al. "Synthesis of Spiro Diphosphines and Their Application in Asymmetric Hydrogenation of Ketones." Journal of the American Chemical Society 125, no. 15 (2003): 4404–5. http://dx.doi.org/10.1021/ja029907i.

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37

Buhling, Armin, Jaap W. Elgersma, Steve Nkrumah, Paul C. J. Kamer, and Piet W. N. M. van Leeuwen. "Novel amphiphilic diphosphines: synthesis, rhodium complexes, use in hydroformylation and rhodium recycling." Journal of the Chemical Society, Dalton Transactions, no. 10 (1996): 2143. http://dx.doi.org/10.1039/dt9960002143.

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38

Ma, Meng-Lin, Zong-Hai Peng, Li Chen, Yu Guo, Hua Chen, and Xian-Jun Li. "Synthesis of New MeO-BIPHEP-type Chiral Diphosphines by an Improved Way." Chinese Journal of Chemistry 24, no. 10 (2006): 1391–96. http://dx.doi.org/10.1002/cjoc.200690260.

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39

Tagne Kuate, Alain C., Roger A. Lalancette, Dirk Bockfeld, Matthias Tamm, and Frieder Jäkle. "Palladium(0) complexes of diferrocenylmercury diphosphines: synthesis, X-ray structure analyses, catalytic isomerization, and C–Cl bond activation." Dalton Transactions 50, no. 13 (2021): 4512–18. http://dx.doi.org/10.1039/d1dt00641j.

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In trigonal LPd<sup>0</sup>(dba) complexes with diastereomeric diferrocenylmercury diphosphine ligands the Pd environment and Hg⋯Pd separation are starkly different. The rates of Pd<sup>0</sup> complex formation and their CH<sub>2</sub>Cl<sub>2</sub> oxidative addition vary significantly.

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40

Zhao, Kai-Chun, Lei Liu, Xiao-Chao Chen, et al. "Multiple-Functional Diphosphines: Synthesis, Characterization, and Application to Pd-Catalyzed Alkoxycarbonylation of Alkynes." Organometallics 41, no. 6 (2022): 750–60. http://dx.doi.org/10.1021/acs.organomet.1c00713.

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41

Brunet, Jean-Jacques, Montserrat Gómez, Hassane Hajouji, and Denis Neibecker. "CHIRAL DIPHOSPHOLES 4. SYNTHESIS AND NMR STUDY OF PHOSPHOLYL-BASED OPTICALLY ACTIVE DIPHOSPHINES." Phosphorus, Sulfur, and Silicon and the Related Elements 85, no. 1-4 (1993): 207–15. http://dx.doi.org/10.1080/10426509308038200.

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42

Morandini, Franco, and Giambattista Consiglio. "Synthesis, characterisation and stereochemistry of indenyl complexes of iridium(I) containing chiral diphosphines." Inorganica Chimica Acta 258, no. 1 (1997): 77–80. http://dx.doi.org/10.1016/s0020-1693(96)05535-1.

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43

Bergamini, Paola, Giancarlo Fantin, Marco Fogagnolo, Licia Gualandi, and Alessandro Medici. "New chiral diphosphines by ketalization of bile acid derivatives: synthesis and chelating properties." Inorganic Chemistry Communications 1, no. 4 (1998): 125–27. http://dx.doi.org/10.1016/s1387-7003(98)00032-x.

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44

Diéguez, Montserrat, Oscar Pàmies, Aurora Ruiz, and Carmen Claver. "Synthesis and structural studies of rhodium(I)-catalytic precursors containing two furanoside diphosphines." Journal of Organometallic Chemistry 629, no. 1-2 (2001): 77–82. http://dx.doi.org/10.1016/s0022-328x(01)00819-1.

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45

Kottsieper, Konstantin W., Uwe Kühner, and Othmar Stelzer. "Synthesis of enantiopure C1 symmetric diphosphines and phosphino-phosphonites with ortho-phenylene backbones." Tetrahedron: Asymmetry 12, no. 8 (2001): 1159–69. http://dx.doi.org/10.1016/s0957-4166(01)00175-6.

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46

Huang, Yinhua, Sumod A. Pullarkat, Mingjun Yuan, Yi Ding, Yongxin Li, and Pak-Hing Leung. "Palladium Template Promoted Asymmetric Synthesis of 1,2-Diphosphines by Hydrophosphination of Functionalized Allenes." Organometallics 29, no. 3 (2010): 536–42. http://dx.doi.org/10.1021/om900829t.

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47

Morandini, Franco, Giuseppe Pilloni, Giambattista Consiglio, and Antonio Mezzetti. "Synthesis and Characterization of Cationic Square-Planar Iridium(I) Complexes Containing Chiral Diphosphines." Organometallics 14, no. 7 (1995): 3418–22. http://dx.doi.org/10.1021/om00007a048.

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48

Abreu, Artur R., Andreia F. Peixoto, Ana R. Almeida, et al. "Synthesis of Chiral Bis-MOP-type Diphosphines. Chelating Effect in Nickel-catalyzed Phosphination." Chemistry Letters 42, no. 1 (2013): 37–39. http://dx.doi.org/10.1246/cl.2013.37.

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Köllner, Christoph, and Antonio Togni. "Synthesis, characterization, and application in asymmetric catalysis of dendrimers containing chiral ferrocenyl diphosphines." Canadian Journal of Chemistry 79, no. 11 (2001): 1762–74. http://dx.doi.org/10.1139/v01-145.

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Résumé :

Starting from the functionalized Josiphos derivatives (R)-1-[(S)-2-(diphenylphosphino)-1'-(dimethyl-3''-aminopropylsilyl)-ferrocenyl]ethyldicyclohexylphosphine ((R)-(S)-3), (R)-1-[(S)-2-(diphenylphosphino)-1'-(hydroxy methyl) ferrocenyl]ethyldicyclohexylphosphine ((R)-(S)-4), and (R)-1-[(S)-2-(diphenylphosphino)-1'-(3''-hydroxy propyl)ferrocenyl]ethyldicyclohexylphosphine ((R)-(S)-5), a series of dendrimers containing up to sixteen ferrocenyl diphosphine units were prepared. Dendrimer cores are based on benzene 1,3,5-tricarboxylic acid and 1,3,5,7-adaman tanetetracarboxylic acid, with 5-substi

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50

PELLON, P., C. LE GOASTER, and L. TOUPET. "ChemInform Abstract: Diastereoselective Synthesis of Diphosphines, Effect of Their Configuration in Asymmetric Catalysis." ChemInform 27, no. 41 (2010): no. http://dx.doi.org/10.1002/chin.199641165.

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