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1

Čermák, Jan, Vratislav Blechta, and Václav Chvalovský. "Cooligomerization of propadiene with propyne catalysed by nickel(0) complexes." Collection of Czechoslovak Chemical Communications 53, no. 6 (1988): 1274–86. http://dx.doi.org/10.1135/cccc19881274.

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Cooligomerization of propadiene with propyne catalysed by bis(1,5-cyclooctadiene)nickel and tetrakis(triphenylphosphine)nickel gives a variety of products, including besides the cooligomers also the homooligomers of both monomers. The type of catalyst affects partially the product distribution due to changes in the degree of oligomerization. Cooligomerization of propadiene with 3-deuteriopropyne provided information about relative proportion of propadiene and propyne units in the oligomers.
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2

Ramaotsoa, G. Valerie, Ian Strydom, Jenny-Lee Panayides, and Darren Riley. "Immobilized tetrakis(triphenylphosphine)palladium(0) for Suzuki–Miyaura coupling reactions under flow conditions." Reaction Chemistry & Engineering 4, no. 2 (2019): 372–82. http://dx.doi.org/10.1039/c8re00235e.

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An immobilized triphenylphosphine scaffold was prepared by precipitation polymerization and functionalized to afford a cost-effective source of solid-supported tetrakis(triphenylphosphine)palladium(0).
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3

Avent, Anthony G., F. Goeffrey N. Cloke, Jeremy P. Day, Elaine A. Seddon, Kenneth R. Seddon, and Stephen M. Smedley. "Tetrakis(trimethylphosphine)nickel(0)." Journal of Organometallic Chemistry 341, no. 1-3 (March 1988): 535–41. http://dx.doi.org/10.1016/0022-328x(88)89106-x.

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4

Crayston, J. A., and G. Davidson. "Vibrational spectroscope of complexes of platinum(0)—I. Tetrakis(triphenylphosphine)platinum(0) and Dioxygenbis(triphenylphosphine)platinum(0)." Spectrochimica Acta Part A: Molecular Spectroscopy 42, no. 11 (January 1986): 1311–16. http://dx.doi.org/10.1016/0584-8539(86)80232-x.

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5

Zhou, Qi-Lin, and Yao-Zeng Huang. "Direct fluoroalkylation of aromatic compounds catalyzed by tetrakis(triphenylphosphine)nickel." Journal of Fluorine Chemistry 43, no. 3 (June 1989): 385–92. http://dx.doi.org/10.1016/s0022-1139(00)82725-6.

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6

Xu, Jie, and Peter Wipf. "Indole synthesis by palladium-catalyzed tandem allylic isomerization – furan Diels–Alder reaction." Organic & Biomolecular Chemistry 15, no. 34 (2017): 7093–96. http://dx.doi.org/10.1039/c7ob01654a.

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7

Plinta, Hans-Jürgen, Robert Gereke, Axel Fischer, Peter G. Jones, and Reinhard Schmutzler. "Darstellung und Reaktionen von zweikernigen Platin(II)-Komplexen; Einkristall-Röntgenstrukturanalyse eines Tetrakis(difluorphosphonato)-Palladat(II)-Komplexes / Preparation and Reactions of Binuclear Platinum(II) Complexes. Single Crystal X-Ray Diffraction Study of a Tetrakis(difluorophosphonato)palladate(II) Complex." Zeitschrift für Naturforschung B 48, no. 6 (June 1, 1993): 737–46. http://dx.doi.org/10.1515/znb-1993-0607.

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o-Methylbenzyldifluorophosphite 2 was obtained by the reaction of o-methylbenzyltrimethyl silyl ether 1 with chlorodifluorophosphine PF2Cl. The reaction of 2 with the palladium(II) complex 3 led to the tetrakis(difluorophosphonato)palladate(II) complex 7. The X-ray structure analysis of 7 confirmed the nearly exact square planar structure at the metal atom of the tetrakis(difluorophosphonato)palladate(II) dianion. Minimal deviations from the ideal geometry at palladium and phosphorus are mainly the result of thermal motion or disorder phenomena in the crystal. In the reaction of the platinum(II) complex 8 with chlorodifluorophosphine the binuclear tetrakis(chlorodifluorophosphine)platinum(II)chloro complex 9 was obtained. In acetonitrile, 9 was cleaved to form the mononuclear complex 10. Similar results were obtained in the oxidative addition reactions of the platinum(0) complex 11 with sulfuryl chloride fluoride, 12, sulfuryl fluoride, 13, and phosphorus pentafluoride. Tetrakis-(triphenylphosphine)-μ-dichlorodiplatinum(II) hexafluorophosphate 14 was isolated. In acetonitrile the mononuclear acetonitrile-bis(triphenylphosphine)chloroplatinum(II) hexafluorophosphate complex 15 was isolated.
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8

Cai, Ming-Zhong, Chun-Yun Peng, Hong Zhao, and Jia-Di Huang. "Stereoselective Synthesis of 1,3-enynylselenides via Palladium-Catalysed Cross Coupling Reactions." Journal of Chemical Research 2002, no. 8 (August 2002): 376–77. http://dx.doi.org/10.3184/030823402103172365.

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( E)-α-Bromovinylselenides undergo a cross coupling reaction with alkynyl Grignard reagents in the presence of tetrakis(triphenylphosphine)palladium(0) in THF at room temperature to afford 1,3-enynylselenides in good yields.
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9

Cai, Mingzhong, Wenyan Hao, Hong Zhao, and Caisheng Song. "Stereoselective Synthesis of 1,3-Enynylsilanes via Hydromagnesiation Reaction of Alkynylsilanes." Journal of Chemical Research 2003, no. 8 (August 2003): 485–86. http://dx.doi.org/10.3184/030823403103174623.

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Hydromagnesiation of alkynylsilanes gives ( Z)-α-silylvinyl Grignard reagents, which are cross-coupled with alkynyl iodides in the presence of tetrakis(triphenylphosphine)palladium(0) catalyst to afford stereoselectively 1,3-enynylsilanes in good yields.
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10

Piers, Edward, and Fraser F. Fleming. "Palladium(0)-catalyzed conversion of vinyl trifluoromethanesulfonates into α,β-unsaturated nitriles." Canadian Journal of Chemistry 71, no. 11 (November 1, 1993): 1867–72. http://dx.doi.org/10.1139/v93-234.

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Treatment (benzene, room temperature) of each of the vinyl trifluoromethanesulfonates 16–23 with dry lithium cyanide in the presence of catalytic amounts of tetrakis(triphenylphosphine)palladium(0) and the crown ether 12-crown-4 provides good to excellent yields of the corresponding α,β-unsaturated nitriles 24–31.
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11

Pombrik, S. I., A. A. Bezrukova, L. S. Golovchenko, A. S. Peregudov, A. Z. Rubezhov, and D. N. Kravtsov. "Redox-demercuration of phenylmercury 4-fluorothiophen-oxide by tetrakis(triphenylphosphine)platinum(0)." Journal of Organometallic Chemistry 293, no. 1 (September 1985): C1—C4. http://dx.doi.org/10.1016/0022-328x(85)80253-9.

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12

Hahn, F. Ekkehardt, Marco Münder, and Roland Fröhlich. "Homoleptic Nickel(0) Phenyl Isocyanide Complexes." Zeitschrift für Naturforschung B 59, no. 8 (August 1, 2004): 850–54. http://dx.doi.org/10.1515/znb-2004-0814.

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AbstractThe tetrakis(phenyl isocyanide)nickel(0) complexes [Ni(CNR)4](R = C6H5, 1; R= C6H3-2,6-Me2, 2; R = C6H4-2-NO2, 3) have been synthesized from [Ni(COD)2] and the corresponding phenyl isocyanides in toluene. Complexes 1 - 3 were characterized by X-ray diffraction. All three complexes contain a nickel atom which is coordinated in a slightly distorted tetrahedral fashion.
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13

Moncol, Jan, Milan Gembicky, and Phillip Coppens. "Dicarbonylbis(triphenylphosphine)nickel(0): a redetermination at 90 K." Acta Crystallographica Section E Structure Reports Online 60, no. 11 (October 9, 2004): m1582—m1583. http://dx.doi.org/10.1107/s1600536804024377.

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14

Myagmarsuren, G. "Novel boron trifluoride cocatalyst for norbornene polymerization Tetrakis(triphenylphosphine)nickel/boron trifluoride etherate system." Applied Catalysis A: General 255, no. 2 (December 8, 2003): 203–9. http://dx.doi.org/10.1016/s0926-860x(03)00558-1.

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15

Chen, Ling-Ching, Rei-Sheu Hou, Huey-Min Wang, and Hsin-Yu Huang. "Allylation of Meldrum’s Acids by Allylic Alcohols Using Tetrakis[triphenylphosphine]palladium(0) Catalysts." HETEROCYCLES 65, no. 8 (2005): 1917. http://dx.doi.org/10.3987/com-05-10437.

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16

S. Akl, Nuhad, and Hassan A. Tayim. "Reactions of tetrakis(triphenylphosphine)platinum(0) with alcohols: New platinum(IV) hydrido complexes." Journal of Organometallic Chemistry 297, no. 3 (December 1985): 371–74. http://dx.doi.org/10.1016/0022-328x(85)80439-3.

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17

Bartlett, Stuart A., Katrina A. Badiola, Hamidreza Arandiyan, Anthony F. Masters, and Thomas Maschmeyer. "The Autocatalytic Isomerization of Allylbenzene by Nickel(0) Tetrakis(triethylphosphite)." European Journal of Inorganic Chemistry 2018, no. 29 (July 10, 2018): 3384–87. http://dx.doi.org/10.1002/ejic.201800462.

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18

Bergbreiter, David E., and David A. Weatherford. "Alkylation of active methylene compounds by allylic alcohols using tetrakis(triphenylphosphine)palladium(0) catalysts." Journal of the Chemical Society, Chemical Communications, no. 13 (1989): 883. http://dx.doi.org/10.1039/c39890000883.

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19

Nagasaki, Tohru, Katsunori Sakai, Masaharu Segawa, Yoshihiko Katsuyama, Nobuhiro Haga, Masahiro Koike, Kenji Kawada, and Shozo Takechi. "A new practical tritium labelling procedure using sodium borotritide and tetrakis(triphenylphosphine)palladium(0)." Journal of Labelled Compounds and Radiopharmaceuticals 44, no. 14 (2001): 993–1004. http://dx.doi.org/10.1002/jlcr.521.

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20

Myagmarsuren, G., O. Yong Jeong, and Son-Ki Ihm. "Polymerization of norbornene in the presence of ethene over tetrakis(triphenylphosphine)nickel/boron trifluoride etherate system." Applied Catalysis A: General 275, no. 1-2 (November 2004): 271–77. http://dx.doi.org/10.1016/j.apcata.2004.07.040.

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21

Patonay, Tamás, István Pazurik, and Anita Ábrahám. "C-Alkynylation of Chromones by Sonogashira Reaction." Australian Journal of Chemistry 66, no. 6 (2013): 646. http://dx.doi.org/10.1071/ch13006.

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Sonogashira reaction of bromochromones and -flavones with a bromine atom on their benzene or heterocyclic ring with various terminal alkynes gave the desired products with nearly the same efficiency as the previously used iodine derivatives. The coupling reactions were performed in the presence of [tetrakis(triphenylphosphine)palladium(0)], copper(i) co-catalyst, and triethylamine, resulting in the formation of numerous hitherto unknown alkynylated oxygen heterocycles, and provide further proof for the applicability of this reaction for these O-heterocycles. Chromones with ethynyl functionality were prepared by removal of the trimethylsilyl protecting group and used as terminal alkynes in a second cross-coupling reaction.
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22

Edwards, Howell G. M., and Victor Fawcett. "Force constant calculations for tetrakis(tribromophosphine)nickel(0), Ni(PBr3)4." Inorganica Chimica Acta 197, no. 1 (July 1992): 89–93. http://dx.doi.org/10.1016/s0020-1693(00)85524-3.

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23

Bessler, Eberhard, Browdo Marins Barbosa, Wolfgang Hiller, and Johann Weidlein. "Synthese und Eigenschaften von Tetrakis(trimethylsilylisocyanid)nickel(0), Ni(C=N—SiMe3)4 / Synthesis and Properties of Tetrakis(trimethylsilylisocyanide)nickel(0), Ni(C=N—SiMe3)4." Zeitschrift für Naturforschung B 46, no. 4 (April 1, 1991): 490–94. http://dx.doi.org/10.1515/znb-1991-0411.

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Ni(CNSiMe3)4 (Me = CH3), the first homoleptic isocyanosilane complex, has been prepared by reaction of bis(1,5-cyclooctadiene)nickel(0) with trimethylcyanosilane in ether and characterized by its infrared, Raman spectra, 13C NMR spectra.
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24

Kamiya, Ikuyo, Etsuyo Nishinaka, and Akiya Ogawa. "A highly regioselective bisselenation of allenes with diphenyl diselenide catalyzed by tetrakis(triphenylphosphine)palladium(0)." Tetrahedron Letters 46, no. 21 (May 2005): 3649–52. http://dx.doi.org/10.1016/j.tetlet.2005.03.168.

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25

IOELE, M., G. ORTAGGI, M. SCARSELLA, and G. SLEITER. "ChemInform Abstract: Oxidation of Terminal Olefins by Hydrogen Peroxide Catalyzed by Tetrakis(triphenylphosphine)palladium(0)." ChemInform 24, no. 28 (August 20, 2010): no. http://dx.doi.org/10.1002/chin.199328121.

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26

Kamigata, Nobumasa, Tetsuya Kondoh, Masayuki Kameyama, Takeshi Satoh, and Michio Kobayashi. "Reaction of Arylazo Aryl Sulfone with Olefins in the Presence of Tetrakis(triphenylphosphine)palladium(0)." Chemistry Letters 16, no. 2 (February 5, 1987): 347–50. http://dx.doi.org/10.1246/cl.1987.347.

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27

Enzmann, Armin, and Wolfgang Beck. "Metal Complexes of Biologically Important Ligands, CLV [1]. Some Derivatives of 4-Ethynylphenylalanine." Zeitschrift für Naturforschung B 59, no. 8 (August 1, 2004): 865–68. http://dx.doi.org/10.1515/znb-2004-0817.

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AbstractThe benzoyl protected 4-ethynyl-L-phenylalanine methyl ester gives with octacarbonyldicobalt and ethylene-bis(triphenylphosphine)platinum(0) the complexes Co2(CO)6(HC≡CR) and (Ph3P)2 Pt(HC≡CR) (R = p-C6H4CH2CH(CO2Me)N(HCOPh). The heterocumulene [Cp(Ph3P)2Ru=C=C(H)R]+BF4− (R = p-C6H4CH2C(H)N(H)-Boc is formed from [Cp(Ph3P)2Ru]+BF4− and N-t-Boc-4-ethynylphenylalanine methyl ester. The alkynyl bridged tetraamino acid with a tetraphenylmethane backbone C[p-C6H4C≡C-p-C6H4-CH2CH(CO2Me)NH-t- Boc]4 was synthesized from tetrakis(4-iodophenyl)methane and N-Boc-4-ethynylphenylalanine methyl ester by Sonogashira coupling.
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28

Chmovzh, Timofey N., and Oleg A. Rakitin. "tert-Butyl Bis(4′-(Hexyloxy)-[1,1′-biphenyl]-4-yl)carbamate." Molbank 2021, no. 3 (July 5, 2021): M1247. http://dx.doi.org/10.3390/m1247.

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New donor building blocks, i.e., triarylamino derivatives, are of great interest for the production of organic photovoltaic materials. In this communication, bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)amine was synthesized in a two-step process via hydrolysis of its tert-butyl carbamate derivative. tert-Butyl bis(4′-(hexyloxy)-[1,1′-biphenyl]-4-yl)carbamate was obtained by Suzuki cross-coupling reaction of tert-butyl bis(4-bromophenyl)carbamate and (4-(hexyloxy)phenyl)boronic acid in the presence of tetrakis(triphenylphosphine)palladium(0). The structure of newly synthesized compounds was established by means of elemental analysis, high resolution mass-spectrometry, 1H, 13C-NMR, IR and UV spectroscopy and mass-spectrometry.
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29

Dolšak, Ana, Kristjan Mrgole, and Matej Sova. "Microwave-Assisted Regioselective Suzuki Coupling of 2,4-Dichloropyrimidines with Aryl and Heteroaryl Boronic Acids." Catalysts 11, no. 4 (March 30, 2021): 439. http://dx.doi.org/10.3390/catal11040439.

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Suzuki coupling reaction has been often used for the preparation of a diverse set of substituted pyrimidines. In this study, the Suzuki coupling of 2,4-dichloropyrimidines with aryl and heteroaryl boronic acids was investigated. A thorough screening of reaction conditions and the use of microwave irradiation led to a very efficient and straightforward synthetic procedure providing C4-substituted pyrimidines in good to excellent yields. Short reaction time (15 min) and extremely low catalyst loading (0.5 mol%) are the main advantages of our tetrakis(triphenylphosphine)palladium(0) catalyzed microwave-assisted procedure, which could be used for quick and low-cost regioselective preparation of substituted pyrimidine rings.
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30

Liu, Linlin, Bing Yang, Houyu Zhang, Shi Tang, Zengqi Xie, Huiping Wang, Zhiming Wang, Ping Lu, and Yuguang Ma. "Role of Tetrakis(triphenylphosphine)palladium(0) in the Degradation and Optical Properties of Fluorene-Based Compounds." Journal of Physical Chemistry C 112, no. 27 (June 13, 2008): 10273–78. http://dx.doi.org/10.1021/jp8010316.

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31

IOELE, M., G. ORTAGGI, M. SCARSELLA, and G. SLEITER. "ChemInform Abstract: A Rapid and Convenient Synthesis of Tetrakis(triphenylphosphine) palladium(0) and -platinum(0) Complexes by Phase-Transfer Catalysis." ChemInform 23, no. 9 (August 22, 2010): no. http://dx.doi.org/10.1002/chin.199209267.

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32

Kamiya, Ikuyo, Jun-ichi Kawakami, Shigenobu Yano, Akihiro Nomoto, and Akiya Ogawa. "A Highly Regioselective Cyanothiolation of Alkynes via Oxidative Addition of Thiocyanates to Tetrakis(triphenylphosphine)palladium(0) Catalyst." Organometallics 25, no. 15 (July 2006): 3562–64. http://dx.doi.org/10.1021/om0600442.

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33

Čermák, Jan, Magdalena Kvíčalová, and Vratislav Blechta. "Nickel(0) and Palladium(0) Complexes with 1,3,5-Triaza-7-phosphaadamantane. Catalysis of Buta-1,3-diene Oligomerization or Telomerization in an AqueousBiphasic System." Collection of Czechoslovak Chemical Communications 62, no. 2 (1997): 355–63. http://dx.doi.org/10.1135/cccc19970355.

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New homoleptic nickel(0) and palladium(0) complexes with a water-soluble ligand, 1,3,5-triaza-7-phosphaadamantane, were prepared and characterized by 1H, 13C, and 31P NMR spectra. The complexes, together with the known analogous Ni(0) and Pd(0) complexes with tris(hydroxymethyl)phosphine, were found to be catalysts for buta-1,3-diene oligomerization or telomerization with water in an aqueous biphasic system without a cosolvent or a modifier. Tetrakis[tris(hydroxymethyl)phosphine]nickel (7) preferentially catalyzes oligomerization (both linear and cyclic) in the first example of a nickel-catalyzed buta-1,3-diene oligomerization in an aqueous biphasic system. Palladium complexes give telomers or linear oligomers in quantitative yields. In the case of the triazaphosphaadamantane complex 4, high selectivity to octadienyl ethers (87%) was observed. High values of metal leaching into the product phase in these reactions suggest an easy extraction of starting or intermediate metal complexes caused by the fact that both monomer and products are good ligands for the metal complexes in this particular case.
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34

Waterman, Rory, and Gregory L. Hillhouse. "Synthesis and structure of a terminal dinitrogen complex of nickel." Canadian Journal of Chemistry 83, no. 4 (April 1, 2005): 328–31. http://dx.doi.org/10.1139/v05-011.

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Reaction of petroleum ether solutions of [(dtbpe)Ni]2(η2,µ-C6H6) (1, dtbpe = 1,2-bis(di-tert-butylphosphino)ethane) with triphenylphosphine under a dinitrogen atmosphere gives the Ni(0) dinitrogen adduct (dtbpe)Ni(N2)(PPh3) (2), which can be isolated as dark red crystals in 87% yield. The X-ray crystal structure of 2 reveals pseudotetrahedral geometry about Ni and a terminal dinitrogen ligand with Ni—N(1) = 1.830(2) Å, N(1)—N(2) = 1.112(2) Å, and Ni-N(1)-N(2) = 177.5(2)°. Key words: dinitrogen, nickel, X-ray.
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35

Hursthouse, Michael B., Keith J. Izod, Majid Motevalli, and Peter Thornton. "Crystal and molecular structure of tetrakis(triethylphosphine)nickel(0); the first solid state structural determination of a homoleptic nickel(0) trialkylphosphine complex." Polyhedron 13, no. 1 (January 1994): 151–53. http://dx.doi.org/10.1016/s0277-5387(00)86651-6.

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36

Edwards, Alison J., Mikael Retbøll, and Eric Wenger. "The tetrahedral tetrakis(phosphine) complex [bis(diphenylphosphino)butane-κP,P]nickel(0)–benzene (1/2.5)." Acta Crystallographica Section E Structure Reports Online 58, no. 7 (June 29, 2002): m375—m377. http://dx.doi.org/10.1107/s1600536802011121.

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37

Bartlett, Stuart A., Katrina A. Badiola, Hamidreza Arandiyan, Anthony F. Masters, and Thomas Maschmeyer. "Cover Feature: The Autocatalytic Isomerization of Allylbenzene by Nickel(0) Tetrakis(triethylphosphite) (Eur. J. Inorg. Chem. 29/2018)." European Journal of Inorganic Chemistry 2018, no. 29 (July 10, 2018): 3356. http://dx.doi.org/10.1002/ejic.201800833.

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38

Ishikawa, Mitsuo, Joji Ohshita, and Yoshihiko Ito. "Silicon carbon unsaturated compounds. 21. Isomerization of a 1-silapropadiene in the presence of tetrakis(triethylphosphine)nickel(0)." Organometallics 5, no. 7 (July 1986): 1518–19. http://dx.doi.org/10.1021/om00138a045.

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39

Čermák, Jan, and Václav Chvalovský. "Influence of ligand nature in tetrakis(ligand)nickel(0) complex catalysts on the course of propadiene-propyne co-oligomerization." Journal of Molecular Catalysis 63, no. 3 (December 1990): 305–12. http://dx.doi.org/10.1016/0304-5102(90)85122-x.

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40

Lützen, A., U. Kiehne, J. Bunzen, and H. Staats. "Synthesis of Substituted 2,2′-Bipyridines from 2-Bromo- or 2-Chloropyridines Using Tetrakis(triphenylphosphine)palladium(0) as a Catalyst in a Modified Negishi Cross-Coupling Reaction." Synthesis 2007, no. 7 (April 2007): 1061–69. http://dx.doi.org/10.1055/s-2007-965952.

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41

Chang, Jong-San, Sang-Eon Park, and Clifford P. Kubiak. "Multiple Bond Metatheses Between Carbon Dioxide and the Isocyanide Ligands of Mononuclear Nickel(0) Tetrakis-Isocyanide Complexes: Catalysis By Alkali Metal Ions." Research on Chemical Intermediates 25, no. 5 (January 1, 1999): 459–69. http://dx.doi.org/10.1163/156856799x00059.

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42

Husebye, Steinar, Michinobu Kato, Knut Maartmann-Moe, Yoneichiro Muto, Michio Nakashima, Tadashi Tokii, Giovanni Sindona, Dagfinn W. Aksnes, and George W. Francis. "Magnetic Properties of Some Nickel(II)-Substituted Propanoate Dimers and the Crystal Structure of Tetrakis(mu-2-methyl-2-phenylpropionato-O,O')bis(triphenylphosphine)dinickel(II), [Ni(Me2PhCCOO)2PPh3]2." Acta Chemica Scandinavica 48 (1994): 628–34. http://dx.doi.org/10.3891/acta.chem.scand.48-0628.

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43

Naka, Akinobu, Jun Sakata, Junnai Ikadai, Hiroyuki Kawasaki, Joji Ohshita, Eigo Miyazaki, Atsutaka Kunai, Kazunari Yoshizawa, and Mitsuo Ishikawa. "Stereochemistry of Disilanylene-containing Cyclic Compounds – Synthesis and Palladium-catalyzed Reactions of cis- and trans-3,4- Benzo-1,2-diisopropyl-1,2-dimethyl-1,2-disilacyclobut-3-ene." Zeitschrift für Naturforschung B 64, no. 11-12 (December 1, 2009): 1580–90. http://dx.doi.org/10.1515/znb-2009-11-1243.

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The synthesis and palladium-catalyzed reactions of cis- and trans-3,4-benzo-1,2-diisopropyl- 1,2-dimethyl-1,2-disilacyclobut-3-ene (1a and 1b) are reported. Their reactions with diphenylacetylene in the presence of a catalytic amount of tetrakis(triphenylphosphine)palladium(0) proceeded with high stereospecificity to give cis- and trans-5,6-benzo-1,4-diisopropyl-1,4-dimethyl- 2,3-diphenyl-1,4-disilacyclohexa-2,5-diene, 2a and 2b, in 95% and 93% yield, respectively. Similar palladium-catalyzed reactions of 1a and 1b with monosubstituted acetylenes, such as 1-hexyne, tert-butylacetylene, phenylacetylene, and trimethylsilylacetylene, also proceeded stereospecifically to afford the respective cis- and trans-5,6-benzo-1,4-disilacyclohexa-2,5-dienes, 3a - 6a and 3b - 6b, in excellent yields and as the sole products. The palladium-catalyzed reaction of 1a with styrene gave a mixture consisting of two stereoisomers, cis-2- and trans-2-phenyl-substituted 5,6- benzo-(r-1),cis-4-diisopropyl-1,4-disilacyclohex-5-ene 7a and 8a in a ratio of 5 : 3 in 72% combined yield, while the reaction of styrene with 1b afforded two stereoisomers, 7b and 8b, in a ratio of 2 : 1 in 80% combined yield. With 1-hexene, 1a gave two stereoisomers, 5,6-benzo-cis-2-(nbutyl)-( r-1),cis-4-diisopropyl- and 5,6-benzo-trans-2-(n-butyl)-(r-1),cis-4-diisopropyl-1,4-dimethyl- 1,4-disilacyclohex-5-ene, 9a and 10a, in a ratio of 1 : 1 in 70% combined yield. A similar reaction of 1b with 1-hexene produced 5,6-benzo-cis-2-(n-butyl)-(r-1),trans-4-diisopropyl-1,4-dimethyl-1,4- disilacyclohex-5-ene in 81% yield and as a single isomer
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44

Akabori, Sadatoshi, Takeshi Kumagai, Toshio Shirahige, Sadao Sato, Kayoko Kawazoe, Chihiro Tamura, and Masaru Sato. "Preparation of novel platinum and palladium complexes by reaction of 1,1'-metallocenedichalcogenols with tetrakis(triphenylphosphine)palladium(0) or -platinum(0). The important role of the coordinating ability of the metal atom of the metallocene in product formation." Organometallics 6, no. 3 (March 1987): 526–31. http://dx.doi.org/10.1021/om00146a015.

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45

Walther, Dirk, Christine Fugger, and Helmar Görls. "1-Azadienes as bridging ligands in nickel(0) complexes of the type [(1-aza-1.3-diene)Ni(L)]2 (L=1-aza-1.3-diene, alkyne, triphenylphosphine)." Journal of Organometallic Chemistry 597, no. 1-2 (March 2000): 116–24. http://dx.doi.org/10.1016/s0022-328x(99)00654-3.

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46

Liang, Hongze, Shigekazu Ito, and Masaaki Yoshifuji. "Characterization of a Novel Binuclear Palladium(II) Complex Formed from the Reaction of 2-Chloro-3, 3-diphenyl-1-(2, 4, 6-tri-tert-butylphenyl)-1, 3-diphosphapropene with Tetrakis(triphenylphosphine)palladium(0) Including Hydrolysis." Zeitschrift für anorganische und allgemeine Chemie 630, no. 89 (August 2004): 1177–80. http://dx.doi.org/10.1002/zaac.200300423.

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47

Pasto, Daniel J., Naizhong Huang, and Charles W. Eigenbrot. "Study of the reactions of substituted allenes with tris(triphenylphosphine)nickel(0). An analysis of the factors affecting the regio- and stereochemistry of .pi.-complex formation and coupling to form nickelacyclopentane complexes." Journal of the American Chemical Society 107, no. 11 (May 1985): 3160–72. http://dx.doi.org/10.1021/ja00297a022.

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48

Rollin, Yolande, Michel Troupel, Gilbert Meyer, and Jacques Perichon. "The electrochemistry of nickel complexes with triphenylphosphine and ethylene in methylpyrrolidinone." Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 183, no. 1-2 (February 1985): 247–60. http://dx.doi.org/10.1016/0368-1874(85)85494-0.

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49

Welch, Jane, Craig Tucker, Robert Bereman, and Phirtu Singh. "Crystal structure of bis(pyrrole-N-carbothioate)bis(triphenylphosphine)nickel(II), C46H38N2S2P2Ni." Inorganica Chimica Acta 121, no. 1 (November 1986): 77–79. http://dx.doi.org/10.1016/s0020-1693(00)87744-0.

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50

Oilunkaniemi, Raija, Risto S. Laitinen, and Markku Ahlgrén. "The X-ray crystallographic study of the reaction of bis(2-thienyl)ditelluride with tetrakis(triphenylphosphine)platinum or -palladium." Journal of Organometallic Chemistry 595, no. 2 (February 2000): 232–40. http://dx.doi.org/10.1016/s0022-328x(99)00630-0.

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