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Published: 10 December 2022

Last updated: 28 January 2023

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1

Jiao, Yunzhe, William W. Brennessel, and William D. Jones. "A tris(pyrazolyl)borate rhodium phosphite complex that undergoes an Arbusov-like rearrangement." Acta Crystallographica Section C Crystal Structure Communications 69, no. 9 (August 3, 2013): 939–42. http://dx.doi.org/10.1107/s0108270113015953.

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Tp′Rh[P(OMe)3](Me)H, loses methane in pentane solution containing CH2F2to give the scorpionate complex bis(μ-dimethyl phosphito)-κ2P:O;κ2O:P-bis{methyl[tris(3,5-dimethyl-1H-pyrazol-1-yl-κN2)borato]rhodium(III)}, [Rh2(CH3)2(C2H6O3P)2(C15H22BN6)2], in which the phosphine O—Me bond is cleaved. The product is dimeric and resembles the Arbusov-type rearrangement product known to form from trimethyl phosphite.

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2

Zhang, Jie, Jiarui Chang, Ting Liu, Bula Cao, Yazhou Ding, and Xuenian Chen. "Application of POCOP Pincer Nickel Complexes to the Catalytic Hydroboration of Carbon Dioxide." Catalysts 8, no. 11 (November 1, 2018): 508. http://dx.doi.org/10.3390/catal8110508.

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The reduction of CO2 is of great importance. In this paper, different types of bis(phosphinite) (POCOP) pincer nickel complexes, [2,6-(R2PO)2C6H3]NiX (R = tBu, iPr, Ph; X = SH, N3, NCS), were applied to the catalytic hydroboration of CO2 with catecholborane (HBcat). It was found that pincer complexes with tBu2P or iPr2P phosphine arms are active catalysts for this reaction in which CO2 was successfully reduced to a methanol derivative (CH3OBcat) with a maximum turnover frequency of 1908 h−1 at room temperature under an atmospheric pressure of CO2. However, complexes with phenyl-substituted phosphine arms failed to catalyze this reaction—the catalysts decomposed under the catalytic conditions. Complexes with iPr2P phosphine arms are more active catalysts compared with the corresponding complexes with tBu2P phosphine arms. For complexes with the same phosphine arms, the catalytic activity follows the series of mercapto complex (X = SH) ≈ azido complex (X = N3) >> isothiocyanato complex (X = NCS). It is believed that all of these catalytic active complexes are catalyst precursors which generate the nickel hydride complex [2,6-(R2PO)2C6H3]NiH in situ, and the nickel hydride complex is the active species to catalyze this reaction.

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3

Itazaki, Masumi, Shinya Katsube, Masahiro Kamitani, and Hiroshi Nakazawa. "Synthesis of vinylphosphines and unsymmetric diphosphines: iron-catalyzed selective hydrophosphination reaction of alkynes and vinylphosphines with secondary phosphines." Chemical Communications 52, no. 15 (2016): 3163–66. http://dx.doi.org/10.1039/c5cc10185a.

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4

Schaefer, W. P., D. K. Lyon, J. A. Labinger, and J. E. Bercaw. "A platinum chloro (fluoroaryl)phosphine complex." Acta Crystallographica Section C Crystal Structure Communications 48, no. 9 (September 15, 1992): 1582–84. http://dx.doi.org/10.1107/s0108270192001008.

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5

Almenara, N., J. I. Miranda, A. Rodríguez-Diéguez, M. A. Garralda, and M. A. Huertos. "A phosphine-stabilized silylene rhodium complex." Dalton Transactions 48, no. 46 (2019): 17179–83. http://dx.doi.org/10.1039/c9dt04071d.

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6

Lozano González, Mariana, Laura Bousquet, Sophie Hameury, Cecilio Alvarez Toledano, Nathalie Saffon-Merceron, Vicenç Branchadell, Eddy Maerten, and Antoine Baceiredo. "Phosphine/Sulfoxide-Supported Carbon(0) Complex." Chemistry - A European Journal 24, no. 11 (January 31, 2018): 2570–74. http://dx.doi.org/10.1002/chem.201705557.

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7

Duczmal, Wojciech, Bogdan Marciniec, and Elżbieta Śliwinska. "Substitution of phosphine in the complex [RhCl(cyclooctadiene)(phosphine)] by 1-hexene." Transition Metal Chemistry 14, no. 2 (April 1989): 105–9. http://dx.doi.org/10.1007/bf01040601.

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8

ITO, Jun, Norio TERAMAE, Masahide NOJI, and Hiroki HARAGUCHI. "FT-Raman spectroscopy of platinum phosphine complex." Bunseki kagaku 41, no. 11 (1992): 551–54. http://dx.doi.org/10.2116/bunsekikagaku.41.11_551.

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9

Laneman, Scott A. "ChemInform Abstract: The Ubiquitous Phosphine-Borane Complex." ChemInform 41, no. 24 (June 15, 2010): no. http://dx.doi.org/10.1002/chin.201024251.

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10

Bradford, Arleen M., Michael C. Jennings, and Richard J. Puddephatt. "Fluxionality of phosphine and phosphite ligands on a coordinatively unsaturated platinum cluster complex." Organometallics 7, no. 3 (March 1988): 792–93. http://dx.doi.org/10.1021/om00093a042.

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11

Horiuchi, Toshihide, Tetsuo Ohta, Eiji Shirakawa, Kyoko Nozaki, and Hidemasa Takaya. "Asymmetric hydroformylation of conjugated dienes catalyzed by chiral phosphine-phosphite-Rh(I) complex." Tetrahedron 53, no. 23 (June 1997): 7795–804. http://dx.doi.org/10.1016/s0040-4020(97)00471-7.

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12

Benak, Kelly R., and Bruce N. Storhoff. "A RE(I) COMPLEX OF THE PHOSPHINE OBTAINED BY REACTING DIPHENYLPHOSPHINE WITHTERT-BUTYL ACRYLATE: A PHOSPHINE-ESTER COMPLEX THAT CAN BE CONVERTED TO THE PHOSPHINE-ACID COMPLEX UNDER MILD CONDITIONS." Journal of Coordination Chemistry 36, no. 4 (December 1995): 303–9. http://dx.doi.org/10.1080/00958979508022680.

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13

Matsumura, Mio, Mizuki Yamada, Atsuya Muranaka, Misae Kanai, Naoki Kakusawa, Daisuke Hashizume, Masanobu Uchiyama, and Shuji Yasuike. "Synthesis and photophysical properties of novel benzophospholo[3,2-b]indole derivatives." Beilstein Journal of Organic Chemistry 13 (October 30, 2017): 2304–9. http://dx.doi.org/10.3762/bjoc.13.226.

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The parent benzophospholo[3,2-b]indole was prepared by the reaction of dichlorophenylphosphine with a dilithium intermediate, which was prepared in two steps from 2-ethynyl-N,N-dimethylaniline. Using the obtained benzophosphole-fused indole as a common starting material, simple modifications were carried out at the phosphorus center of the phosphole, synthesizing various functionalized analogs. The X-ray structure analysis of trivalent phosphole and phosphine oxide showed that the fused tetracyclic moieties are planar. The benzophosphole-fused indoles, such as phosphine oxide, phospholium salt, and borane complex, exhibited strong photoluminescence in dichloromethane (Φ = 67–75%).

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14

Hirai, Yoshinori, and Yasuhiro Uozumi. "Preparation of Aryl(dicyclohexyl)phosphines by C–P Bond-Forming Cross-Coupling in Water Catalyzed by an Amphiphilic-Resin-Supported Palladium Complex." Synlett 28, no. 20 (October 16, 2017): 2966–70. http://dx.doi.org/10.1055/s-0036-1590926.

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Aryl(dicyclohexyl)phosphines were prepared by a catalytic C–P bond-forming cross-coupling reaction of haloarenes with dicyclohexylphosphine under heterogeneous conditions in water containing an immobilized palladium complex coordinated to an amphiphilic polystyrene–poly(ethylene glycol) resin supported di(tert-butyl)phosphine ligand.

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15

Caldwell, Sharon L., Joe B. Gilroy, Rajsapan Jain, Evan Crawford, Brian O. Patrick, and Robin G. Hicks. "Synthesis and redox properties of a phosphine-subsituted para-dioxolene and its bimetallic palladium complex." Canadian Journal of Chemistry 86, no. 10 (October 1, 2008): 976–81. http://dx.doi.org/10.1139/v08-127.

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Oxidation of 2,5-bis(diphenylphosphino)-1,4-hydroquinone (8) with iodobenzene diacetate produces the corresponding bis(phosphine) substituted benzoquinone (9), the first phosphine-substitued quinone. Cyclic voltammetry studies reveal that the redox functionality of the quinone unit in 9 is retained, and the reduction potentials render this compound slightly more easily reduced than the parent p-benzoquinone. Reaction of the precursor hydroquinone 8 with Pd(hfac)2 affords a binuclear complex 10 with the hydroquinonate ligand bridging two Pd(hfac) substrates. The redox activity of the bridging dioxolene ligand is retained in complex 10, although there are significant changes in the redox potentials relative to those of the free quinone 9. Chemical oxidation of 10 with AgPF6 yields a persistent cationic complex 11, which, based on EPR and electronic spectroscopy, can be formulated as containing a bridging semiquinone ligand.Key words: p-quinones, phosphines, bridging ligands, redox properties.

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16

Mihichuk, Lynn, Monica Pizzey, Beverly Robertson, and Richard Barton. "The synthesis and seven-coordinate structure of (CH3)2AsC(CF3=C(CF3)As(CH3)2W(CO)Br2[P(OCH3)3]2." Canadian Journal of Chemistry 64, no. 5 (May 1, 1986): 991–95. http://dx.doi.org/10.1139/v86-166.

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(L–L)W(CO)4 (L–L = (CH3AsC(CF3)=C(CF3)As(CH3)2) is oxidized by Br2 to yield the seven-coordinate complex (L–L)W(CO)3Br2, which reacts with monodentate phosphines or phosphites to form (L–L)W(CO)Br2P2 (P = phosphine or phosphite). Crystals of (L–L)W(CO)Br2[P(OCH3)3]2 are monoclinic, space group P21/c, a = 19.110(5), b = 9.208(3), c = 17.845(6) Å, β = 108.93(2)° at 21 °C with Z = 4. The structure was solved from a Patterson map and refined by least squares to a conventional R value of 0.092 using 2330 independent reflections. The crystal structure indicated the tungsten atom to be seven-coordinate with the geometry most closely approximated by a capped trigonal prismatic environment, the capping group being a bromine atom (W—Br, 2.686(5) Å). The capped face consists of the remaining bromine atom (W—Br, 2.695(5) Å), a phosphorus atom (W—P, 2.465(9) Å), and the two arsenic atoms from the bidentate ligand (W—As, 2.619(3) and 2.526(4) Å). The W—As bond trans to a phosphite is significantly longer (by 0.093 Å) than the W—As bond trans to a bromine. The 1H nmr data indicate that the complex is stereochemically rigid at 25 °C and nonrigid at higher temperatures; however, the data at 25 °C are not consistent with the configuration found in the crystal.

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17

Baranov, A. Yu, T. S. Sukhikh, and A. V. Artem’ev. "1,2-Bis[bis(pyridin-2-yl-methyl)phosphino]ethane and its PdCl2-based complex: synthesis and crystal structure." Журнал структурной химии 63, no. 4 (2022): 524–26. http://dx.doi.org/10.26902/jsc_id95500.

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1,2-Bis[bis(pyridin-2-ylmethyl)phosphino]ethane, R2PCH2CH2PR2 (R = 2-PyCH2), has been synthesized in 92% yield via the reaction of Cl2PCH2CH2PCl2 with 2-[(trimethylsilyl)methyl]pyridine. Treatment of this phosphine with Pd(COD)Cl2 affords chelating complex of [PdLCl2] type, wherein the Pd(II) ion displays a square-planar [Pd@Cl2P2] geometry.

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18

Kurtz, Daniel A., Jibo Zhang, Arvin Sookezian, Jeremy Kallick, Michael G. Hill, and Bryan M. Hunter. "A Cobalt Phosphine Complex in Five Oxidation States." Inorganic Chemistry 60, no. 23 (November 23, 2021): 17445–49. http://dx.doi.org/10.1021/acs.inorgchem.1c03020.

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19

Zidan, M. D., A. W. Allaf, A. Allahham, and A. AL-Zier. "Optical nonlinearities of tetracarbonyl-chromium triphenyl phosphine complex." Chinese Physics B 26, no. 4 (April 2017): 044205. http://dx.doi.org/10.1088/1674-1056/26/4/044205.

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20

Bedford, R. B., P. A. Chaloner, and P. B. Hitchcock. "An iridium complex of tris(4-methoxyphenyl)phosphine." Acta Crystallographica Section C Crystal Structure Communications 50, no. 3 (March 15, 1994): 354–56. http://dx.doi.org/10.1107/s0108270193008819.

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21

Bedford, R. B., P. A. Chaloner, P. B. Hitchcock, and S. S. Al-Juaid. "An iridium complex of tris(2,4,6-trimethoxyphenyl)phosphine." Acta Crystallographica Section C Crystal Structure Communications 50, no. 3 (March 15, 1994): 356–58. http://dx.doi.org/10.1107/s0108270193009424.

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22

Dias, H. V. Rasika, Chandrakanta Dash, Muhammed Yousufuddin, Mehmet Ali Celik, and Gernot Frenking. "Cationic Gold Carbonyl Complex on a Phosphine Support." Inorganic Chemistry 50, no. 10 (May 16, 2011): 4253–55. http://dx.doi.org/10.1021/ic200757j.

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23

Mihichuk, Lynn M., Carolyn L. Giesinger, Beverly E. Robertson, and Richard J. Barton. "Seven coordination. 1. Synthesis, structure, and fluxionality of(CH3)2AsC(CF3)=C(CF3)As(CH3)2W(CO)2I2P(OCH3)3." Canadian Journal of Chemistry 65, no. 11 (November 1, 1987): 2634–38. http://dx.doi.org/10.1139/v87-435.

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(L—L)W(CO)4 (L—L = (CH3)2AsC(CF3)=C(CF3)As(CH3)2) is oxidized by I2 to yield the seven-coordinate complex (L—L)W(CO)3I2 which reacts with monodentate phosphines or phosphites to form (L—L)W(CO)2I2P (P = phosphine or phosphite). Crystals of (L—L)W(CO)2I2P(OCH3)3 are monoclinic, space group P21/c, a = 15.711(3), b = 13.134(2), c = 13.800(3) Å, β = 111.81(2)° with Z = 4. The structure was solved from a Patterson map and anisotropically refined by least squares to a conventional R value of 0.039 using 3737 independent reflections. The crystal structure showed the tungsten atom to be seven-coordinate with a geometry most closely approximated by a capped octahedral environment, the capping group being a carbonyl moiety ([W—C] = 1.95 (1) Å). The capped face consists of the carbon atom ([W—C] = 1.98(1) Å) of the remaining carbonyl, an arsenic atom ([W—As] = 2.556(1) Å), and the phosphorus atom ([W—P] = 2.466(3) Å). The W—As bond trans to a phosphite group is longer (by 0.050(2) Å) than the W—As bond trans to an iodine atom. 1H nmr data indicate the complex to be fluxional at 298 K and rigid at lower temperatures, the data at lower temperatures being consistent with the configuration found in the crystal. The nmr data at lower temperatures suggest two exchange processes are occurring; one which averages two sets of As—CH3 groups and another process which averages all four As—CH3 groups.

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24

Tan, Xuefeng, Weijun Zeng, Xiaoyong Zhang, Lung Wa Chung, and Xumu Zhang. "Development of a novel secondary phosphine oxide–ruthenium(ii) catalyst and its application for carbonyl reduction." Chemical Communications 54, no. 5 (2018): 535–38. http://dx.doi.org/10.1039/c7cc07647a.

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25

Navarro, Miquel, Juan Miranda-Pizarro, Juan J. Moreno, Carlos Navarro-Gilabert, Israel Fernández, and Jesús Campos. "A dicoordinate gold(i)–ethylene complex." Chemical Communications 57, no. 73 (2021): 9280–83. http://dx.doi.org/10.1039/d1cc02769g.

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The use of the exceptionally bulky tris-2-(4,4′-di-tert-butylbiphenylyl)phosphine ligand allows the isolation and complete characterization of the first dicoordinate gold(i)–ethylene adduct, filling a missing fundamental piece on the organometallic chemistry of gold.

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26

Peng, Weimin, and Jean’ne M. Shreeve. "Rapid and high yield oxidation of phosphine, phosphite and phosphinite compounds to phosphine oxides, phosphates and phosphinates using hypofluorous acid–acetonitrile complex." Journal of Fluorine Chemistry 126, no. 7 (July 2005): 1054–56. http://dx.doi.org/10.1016/j.jfluchem.2005.02.012.

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27

Cleaves, Peter A., Ben Gourlay, Robert J. Newland, Robert Westgate, and Stephen M. Mansell. "Reactivity Studies of Phosphinines: The Selenation of Diphenyl-Phosphine Substituents and Formation of a Chelating Bis(Phosphinine) Palladium(II) Complex." Inorganics 10, no. 2 (February 3, 2022): 17. http://dx.doi.org/10.3390/inorganics10020017.

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Phosphinines and donor-substituted phosphinines are of recent interest due to their use in homogeneous catalysis. In this article, a Pd(II) bis(phosphinine) complex was characterised and phosphorus–selenium coupling constants were used to assess the donor properties of the diphenylphosphine substituents of phosphinine ligands to promote their further use in catalysis. The selenation of 2,5-bis(diphenylphosphino)-3,6-dimethylphosphinine (5) and 2-diphenylphosphino-3-methyl-6-trimethylsilylphosphinine (6) gave the corresponding phosphine selenides 8 and 9, respectively, leaving the phosphinine ring intact. Multinuclear NMR spectroscopy, mass spectrometry and single crystal X-ray diffraction confirmed the oxidation of all the diphenylphosphine substituents with 1JP-Se coupling constants determined to be similar to SePPh3, indicating that the phosphinine rings were electronically similar to phenyl substituents. Solutions of 6 were found to react with oxygen slowly to produce the phosphine oxide 10 along with other by-products. The reaction of [bis{3-methyl-6-(trimethylsilyl)phosphinine-2-yl}dimethylsilane] (4) with [PdCl2(COD)] gave the chelating dichloropalladium(II) complex, as determined by multinuclear NMR spectroscopy, mass spectrometry and an elemental analysis. The molecular structure of the intermediate 2 in the formation of 4,6-di(tert-butyl)-1,3,2-diazaphosphinine (3) was also determined, which confirmed the structure of the diazaphosphacycle P(Cl){N=C(tBu)CH=C(tBu)-N(H)}.

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28

Römbke, Patric, Annette Schier, and Hubert Schmidbaur. "(Phosphine)Silver(I) Sulfonate Complexes." Zeitschrift für Naturforschung B 58, no. 1 (January 1, 2003): 168–72. http://dx.doi.org/10.1515/znb-2003-0126.

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Abstract Phosphine)silver(I) organosulfonate complexes of the type (R3P)AgOS(O)2R’ have been prepared in good yields from the corresponding silver sulfonates and tertiary phosphines in dichloromethane solution [R3 = Ph3, Ph2(2-Py), Me2Ph, with R’ = 4-Me-C6H4; R = Ph, R’ = Et and 2,5-Me2-C6H4]. If ethanol is present in the reaction mixture, the products contain one equivalent of ethanol. The crystal structures of (Ph3P)AgOS(O)2(C6H4-4-Me)(EtOH) (1), and (Me2PhP)AgOS(O)2(C6H4-4- Me) (5) have been determined. Complex 1 is present as a dimer in which the monomeric units feature intermolecular Ag-O donor/acceptor bonding in a four-membered ring. The coordination sphere of the silver atoms is further complemented by an ethanol molecule which is also engaged in hydrogen bonding with one of the sulfonate oxygen atoms. The solvent-free complex 5 is associated into helical chains via Ag-O coordinative bonds which provide the silver atoms with a distorted planar T-shaped coordination.

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29

Mino, Takashi, Yoshiaki Shirae, Masami Sakamoto, and Tsutomu Fujita. "Phosphine-Free Suzuki-MiyauraReactions Catalyzed by Bishydrazone-Pd-Complex." Synlett, no. 6 (2003): 0882–84. http://dx.doi.org/10.1055/s-2003-38755.

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30

Saravana Bharathi, D., M. A. Sridhar, J. Shashidhara Prasad, and Ashoka G. Samuelson. "The first copper(I) complex of tris(hydroxymethyl)phosphine." Inorganic Chemistry Communications 4, no. 9 (September 2001): 490–92. http://dx.doi.org/10.1016/s1387-7003(01)00253-2.

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31

Wang, Yanhua, Xiaowei Wu, Fang Cheng, and Zilin Jin. "Thermoregulated phase-separable phosphine ruthenium complex for hydrogenation catalysis." Journal of Molecular Catalysis A: Chemical 195, no. 1-2 (March 2003): 133–37. http://dx.doi.org/10.1016/s1381-1169(02)00575-7.

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32

Buggey, Lesley A., and Eric G. Hope. "A platinum (II) phosphine complex containing the OTeF5− ligand." Journal of Fluorine Chemistry 73, no. 2 (August 1995): 247–49. http://dx.doi.org/10.1016/0022-1139(94)03222-l.

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33

HORIUCHI, T., T. OHTA, E. SHIRAKAWA, K. NOZAKI, and H. TAKAYA. "ChemInform Abstract: Asymmetric Hydroformylation of Conjugated Dienes Catalyzed by Chiral Phosphine-Phosphite-Rh(I) Complex." ChemInform 28, no. 41 (August 3, 2010): no. http://dx.doi.org/10.1002/chin.199741049.

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34

Godfrey, Stephen M., Charles A. McAuliffe, Peter T. Ndifon, and Robin G. Pritchard. "Controlled reaction of molecular oxygen with [Mnl2(PPh2Me)2] to form the mixed phosphine–phosphine oxide complex [Mnl2(OPPh2Me)(PPh2Me)] and the Bis(phosphine oxide) complex [Mnl2(OPPh2Me)2]." J. Chem. Soc., Dalton Trans., no. 22 (1993): 3373–77. http://dx.doi.org/10.1039/dt9930003373.

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35

Matsumura, Mio, Takahiro Teramoto, Masato Kawakubo, Masatoshi Kawahata, Yuki Murata, Kentaro Yamaguchi, Masanobu Uchiyama, and Shuji Yasuike. "Synthesis, structural characterization, and optical properties of benzo[f]naphtho[2,3-b]phosphoindoles." Beilstein Journal of Organic Chemistry 17 (March 5, 2021): 671–77. http://dx.doi.org/10.3762/bjoc.17.56.

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Phosphole-fused π-conjugated acenes have been attracting interest because of the attractive features of the phosphole moiety, such as fluorescence and chemically modifiable properties. Herein, 6-phenyl-6H-benzo[f]naphtho[2,3-b]phosphoindole was prepared by reacting dichlorophenylphosphine with a dilithium intermediate derived from 3,3′-dibromo-2,2′-binaphthyl. Various derivatives, such as a phospholium salt and a borane–phosphole complex with functional groups on the phosphorus atom were synthesized using the obtained phosphole as a common starting material. Single-crystal X-ray analysis of the parent benzo[f]naphtho[2,3-b]phosphoindole revealed that the pentacyclic ring is almost planar. Fluorescence spectroscopy data showed that the phosphole derivatives, such as phosphine oxide and the phospholium salt and borane complex exhibited photoluminescence in chloroform.

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36

Mazzacano, Thomas J., and Neal P. Mankad. "Thermal C–H borylation using a CO-free iron boryl complex." Chemical Communications 51, no. 25 (2015): 5379–82. http://dx.doi.org/10.1039/c4cc09180a.

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37

Matsubara, Fujii, Hosokawa, Inatomi, Yamada, and Koga. "Fluorine-Substituted Arylphosphine for an NHC-Ni(I) System, Air-Stable in a Solid State but Catalytically Active in Solution." Molecules 24, no. 18 (September 4, 2019): 3222. http://dx.doi.org/10.3390/molecules24183222.

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Monovalent NHC-nickel complexes bearing triarylphosphine, in which fluorine is incorporated onto the aryl groups, have been synthesized. Tris(3,5-di(trifluoromethyl)-phenyl)phosphine efficiently gave a monovalent nickel bromide complex, whose structure was determined by X-ray diffraction analysis for the first time. In the solid state, the Ni(I) complex was less susceptible to oxidation in air than the triphenylphosphine complex, indicating greatly improved solid-state stability. In contrast, the Ni(I) complex in solution can easily liberate the phosphine, high catalytic activity toward the Kumada–Tamao–Corriu coupling of aryl bromides.

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38

Simms, Ryan W., Mark J. Drewitt, and Michael C. Baird. "Equilibration between a Phosphine−Cobalt Complex and an Analogous Complex Containing an N-Heterocyclic Carbene: The Thermodynamics of a Phosphine−Carbene Exchange Reaction." Organometallics 21, no. 14 (July 2002): 2958–63. http://dx.doi.org/10.1021/om020110+.

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39

Hashimoto, Hisako, Yumiko Sekiguchi, Yohei Sekiguchi, Takeaki Iwamoto, Chizuko Kabuto, and Mistuo Kira. "Comparison of structures between platinum and palladium complexes of a tetrasilyldisilene." Canadian Journal of Chemistry 81, no. 11 (November 1, 2003): 1241–45. http://dx.doi.org/10.1139/v03-108.

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The first η2-disilenepalladium complexes were synthesized using two different reactions; the reactions of bis(phosphine)dichloropalladiums with a 1,2-dilithiotetrakis(trialkylsilyl)disilane, which was prepared by the reaction of a stable tetrakis(trialkylsilyl)disilene with lithium (Method A) and the direct reactions of the bis(phosphine)dichloropalladiums with the stable disilene (Method B). Comparison of X-ray structural parameters of the disilenepalladium complexes with those of the corresponding platinum complex has indicated that the palladium complex is a metallacycle but its π-complex character is stronger than that of the platinum complex.Key words: disilene complex, palladium, platinum, X-ray structure, metallacycle, π-complex.

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40

Nell, Bryan P., Charles D. Swor, Lev N. Zakharov, and David R. Tyler. "Synthesis of the hydrophilic phosphine complex Cu(DHMPE)2+ from Cu(I) chloride (DHMPE=1,2-bis[(dihydroxymethyl)phosphino]ethane, a water-soluble bidentate phosphine)." Polyhedron 45, no. 1 (September 2012): 30–34. http://dx.doi.org/10.1016/j.poly.2012.07.053.

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41

Smith, Joel D., Javier Borau-Garcia, Warren E. Piers, and Denis Spasyuk. "Systematic dismantling of a carefully designed PCcarbeneP pincer ligand via C–C bond activations at an iridium centre." Canadian Journal of Chemistry 94, no. 4 (April 2016): 293–96. http://dx.doi.org/10.1139/cjc-2015-0251.

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An electron-rich PCsp2P ligand, incorporating N,N-dimethylamino groups para to the anchoring carbene donor of the ligand, was prepared and coordinated to iridium, producing the iridium carbene chloride 2. This species undergoes facile reaction with N2O to afford an iridaepoxide complex, 3, in which an oxygen atom has been transferred to the Ir=C bond. The rate of this reaction is significantly faster than that observed for the less electron rich, unsubstituted ligand. However, further reaction of 3 involving cleavage of one of the ligand C–C bonds was observed, producing the bis-phosphine chorido complex 4. This process was accelerated by the presence of H2. Heating 4 under H2 resulted in hydrogenolysis of the ortho-metalated phosphine ligand to give a hydrido complex (5) and decarbonylation of the acyl phosphine ligand to give, finally, Vaska’s complex analog 6. All compounds were fully characterized, and the sequence represents the dismantling of the PCsp2P ligand framework.

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Ogata, Kenichi, Shin-ichi Fukuzawa, Oji Oka, Akinori Toyota, and Noriyuki Suzuki. "Phosphine-Dependent Selective Cross-Dimerization between Terminal Alkylacetylene and Silylacetylene by Iridium(I) Guanidinate Complex-Phosphine System." Synlett 2008, no. 17 (October 1, 2008): 2663–66. http://dx.doi.org/10.1055/s-0028-1083514.

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43

Reinholdsson, Per, Antonios Nikitidis, and Carlaxel Andersson. "Poly(trimethylolpropane trimethacrylate) particles with phosphine functionality. A new type of support for metal phosphine complex catalysts." Reactive Polymers 17, no. 2 (May 1992): 187–95. http://dx.doi.org/10.1016/0923-1137(92)90151-q.

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44

Léval, Alexander, Henrik Junge, and Matthias Beller. "Manganese(i) κ2-NN complex-catalyzed formic acid dehydrogenation." Catalysis Science & Technology 10, no. 12 (2020): 3931–37. http://dx.doi.org/10.1039/d0cy00769b.

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This work updates the first non-phosphine-based Mn complex able to perform the formic acid dehydrogenation (FA DH) in the presence of amines. Significant improvements were achieved regarding TON (>7500), gas evolution (>20 L), and lower CO content.

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45

Morimoto, Tsumoru, Chuang Wang, Hiroki Tanimoto, Levent Artok, and Kiyomi Kakiuchi. "Rhodium(I)-Catalyzed CO-Gas-Free Arylative Dual-Carbonylation of Alkynes with Arylboronic Acids via the Formyl C–H Activation of Formaldehyde." Synthesis 53, no. 18 (March 29, 2021): 3372–82. http://dx.doi.org/10.1055/a-1468-8377.

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AbstractThe rhodium(I)-catalyzed reaction of alkynes with arylboronic acids in the presence of formaldehyde results in a CO-gas-free arylative dual-carbonylation to produce γ-butenolide derivatives. The simultaneous loading of phosphine-ligated and phosphine-free rhodium(I) complexes is required for efficient catalysis. The former complex catalyzes the abstraction of a carbonyl moiety from formaldehyde through the activation of its formyl C–H bond (decarbonylation) and the latter catalyzes the subsequent dual-incorporation of the resulting carbonyl unit (carbonylation). The use of larger amounts of the phosphine-ligated rhodium(I) complex generates more carbonyl units, leading to the formation γ-butenolides via the dual-incorporation of the carbonyl unit.

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Groux, Laurent F., Francine Bélanger-Gariépy, and Davit Zargarian. "Phosphino-indenyl complexes of nickel(II)." Canadian Journal of Chemistry 83, no. 6-7 (June 1, 2005): 634–39. http://dx.doi.org/10.1139/v05-079.

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The BH3-protected phosphinoindenyl ligand indenyl(CH2)2PPh2·BH3 was used in the preparation of (η5/3:η0-indenyl(CH2)2PPh2·BH3)Ni(PPh3)Cl, which has been characterized by NMR spectroscopy and X-ray diffraction studies. On the other hand, all attempts at preparing the closely related complex (η5/3:η1-indenyl(CH2)2PPh2)NiCl, in which the tethered phosphine moiety is coordinated to the Ni centre, were unsuccessful. One of these unsuccessful attempts yielded instead the novel indenyl-PCP pincer complex {κP,κC,κP-1,3-(CH2CH2PPh2)2-2-indenyl}NiCl, which has been characterized by X-ray diffraction studies.Key words: indenyl complexes, tethered phosphines, PCP pincer complexes.

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Krylova, T. E., Yu T. Vigranenko, and S. B. Kocheregin. "Hydrogenation of n-heptanal, catalyzed by cobalt carbonyl phosphine complex." Russian Journal of Applied Chemistry 88, no. 5 (May 2015): 796–99. http://dx.doi.org/10.1134/s1070427215050122.

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Liu, Xu-Feng, Xiao-Yong Yu, and Hao-Qi Gao. "Reactions of Cluster Complex Triiron Enneacarbonyl Disulfide with Phosphine Ligands." Molecular Crystals and Liquid Crystals 592, no. 1 (March 24, 2014): 229–36. http://dx.doi.org/10.1080/15421406.2013.858024.

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Tan, Yu, Qing Zou, Xu-Feng Liu, Xiao-Yong Yu, Ying-Xin Zhang, and Xie Li. "Structural Analysis of Diiron Complex with Tris(p-tolyl)phosphine." Molecular Crystals and Liquid Crystals 623, no. 1 (December 12, 2015): 393–97. http://dx.doi.org/10.1080/15421406.2015.1036513.

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Ito, Hajime, Akiko Watanabe, and Masaya Sawamura. "Versatile Dehydrogenative Alcohol Silylation Catalyzed by Cu(I)−Phosphine Complex." Organic Letters 7, no. 9 (April 2005): 1869–71. http://dx.doi.org/10.1021/ol050559+.

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