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Journal articles on the topic 'Cis-Hydrogenation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Muchalal, Muchalal. "PARALLEL REACTION ON CATALYTIC HYDROGENATION REACTION OF CIS-ISOEUGENOL INTO 2-METHOXY-4-PROPYLPHENOL." Indonesian Journal of Chemistry 5, no. 2 (2010): 169–72. http://dx.doi.org/10.22146/ijc.21826.

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Catalytic hydrogenation of eugenol (Mr 164) and isoeugenol (Mr 164) by using synthetic catalyst Ni/-Al2O3 had been carried out. Eugenol transformation into 2-methoxy-4-propylphenol (Mr 166) as a main product could be achieved in 100% and no conversion reaction of eugenol into isoeugenol. If the raw material was 96% trans-isoeugenol or 61% cis-isoeugenol then the product was 67% or 92% of 2-methoxy-4-propylphenol. On the catalytic hydrogenation of trans-isoeugenol into 2-methoxy-4-propylphenol there was no parallel reaction of trans-isoeugenol into cis-isoeugenol. Conversely, catalytic reactio

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2

Cadu, Alban, Kohei Sekine, Jaroslaw Mormul, Dominik M. Ohlmann, Thomas Schaub, and A. Stephen K. Hashmi. "Homogeneous catalysed hydrogenation of HMF." Green Chemistry 20, no. 14 (2018): 3386–93. http://dx.doi.org/10.1039/c8gc01025k.

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3

Noroozi-Shad, Nazanin, Mostafa Gholizadeh, Mohammad Izadyar, and Hossein Eshghi. "Theoretical Evaluation of the Efficiency of Novel Frustrated Lewis Pairs in the cis-Hydrogenation Reaction of Dimethylacetylene." Progress in Reaction Kinetics and Mechanism 42, no. 4 (2017): 372–83. http://dx.doi.org/10.3184/146867817x14954764850469.

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Frustrated Lewis pairs (FLPs) are the combination of Lewis acid and base motifs where steric hindrance prevents strong adduct formation. Accordingly, the ability of FLPs in small molecule activation and their capability in hydrogen cleavage led to their use in the hydrogenation of a wide range of unsaturated substrates. Here, we investigated theoretically the ability of three intramolecular phosphorus/boron FLPs as bifunctional catalysts in the metal-free hydrogenation of dimethylacetylene to cis-alkene. The mechanism of this hydrogenation reaction, based on the boron acceptor [including –OR s

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4

Pei, Yuchen, Minda Chen, Xiaoliang Zhong, et al. "Pairwise semi-hydrogenation of alkyne to cis-alkene on platinum-tin intermetallic compounds." Nanoscale 12, no. 15 (2020): 8519–24. http://dx.doi.org/10.1039/d0nr00920b.

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5

Hu, Shunyou, Linlin Wang, Xiaopeng Chen, Xiaojie Wei, Zhangfa Tong та Lijiang Yin. "The conversion of α-pinene to cis-pinane using a nickel catalyst supported on a discarded fluid catalytic cracking catalyst with an ionic liquid layer". RSC Advances 9, № 11 (2019): 5978–86. http://dx.doi.org/10.1039/c9ra00675c.

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6

Kirkwood, Kathleen, and S. David Jackson. "Hydrogenation and Hydrodeoxygenation of Oxygen-Substituted Aromatics over Rh/silica: Catechol, Resorcinol and Hydroquinone." Catalysts 10, no. 5 (2020): 584. http://dx.doi.org/10.3390/catal10050584.

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The hydrogenation and hydrodeoxygenation (HDO) of dihydroxybenzene isomers, catechol (1,2-dihydroxybenzene), resorcinol (1,3-dihydroxybenzene) and hydroquinone (1,4-dihydroxybenzene) was studied in the liquid phase over a Rh/silica catalyst at 303–343 K and 3 barg hydrogen pressure. The following order of reactivity, resorcinol > catechol > hydroquinone (meta > ortho > para) was obtained. Kinetic analysis revealed that catechol had a negative order of reaction whereas both hydroquinone and resorcinol gave positive half-order suggesting that catechol is more strongly adsorbed. Activ

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7

Tippett, LM, and RA Massywestropp. "Reduction of Substituted 1-Methylene-1,2,3,4-tetrahydronaphthalene Derivatives." Australian Journal of Chemistry 46, no. 6 (1993): 945. http://dx.doi.org/10.1071/ch9930945.

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The stereoselectivity of reduction of 4-substituted 1-methylene-1,2,3,4-tetrahydronaphthalenes has been investigated by using catalytic hydrogenation and lithium in ammonia solutions. Serrulatane derivatives underwent highly stereoselective catalytic reduction to yield cis products. Lithium/ammonia reduction was less selective but (3R)-7,8-dimethoxyserrulat-1(20)-en-3-ol showed good selectivity to yield predominantly the cis isomer.

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8

Muchalal, M. "THE STEREOCHEMISTRY EFFECT OF EUGENOL, CIS-ISOEUGENOL AND TRANS-ISOEUGENOL ON THEIR CATALYTIC HIDROGENATION." Indonesian Journal of Chemistry 4, no. 2 (2010): 99–105. http://dx.doi.org/10.22146/ijc.21861.

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The stereochemistry effect of eugenol, cis-isoeugenol and trans-isoeugenol on their catalytic hydrogenation by Ni/g-Al2O3 catalyst was investigated. In this investigation, the catalyst is prepared by impregnation of Nickel into solid of γ-Al2O3 in methanol as a solvent. The calcination process, which is followed by reduction, is performed on Muchalal reactor at 400 oC. After that, the catalytic hydrogenation is carried out under hydrogen gas atmosphere by mixing 10 mL sample and 0.5 g Ni/g-Al2O3 catalyst at 200 oC for 3 hours. The stereochemistry effect of reactants is evaluated by computer mo

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9

Li, Xiuxiu, Cai You, Yusheng Yang та ін. "Rhodium-catalyzed enantioselective hydrogenation of α-amino acrylonitriles: an efficient approach to synthesizing chiral α-amino nitriles". Chemical Communications 53, № 7 (2017): 1313–16. http://dx.doi.org/10.1039/c6cc09662j.

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An efficient asymmetric hydrogenation of α-amino acrylonitriles has been achieved, affording chiral α-amino nitriles in excellent yields and enantioselectivities regardless of the cis–trans configuration of α-amino acrylonitriles.

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10

Mao, Cong, Jingwei Zheng, Babasaheb M. Matsagar, et al. "Highly-efficient Ru/Al–SBA-15 catalysts with strong Lewis acid sites for the water-assisted hydrogenation of p-phthalic acid." Catalysis Science & Technology 10, no. 8 (2020): 2443–51. http://dx.doi.org/10.1039/d0cy00047g.

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A Ru/Al–SBA-15 catalyst with excess Lewis acid sites displayed excellent efficiency (100%), high cis-isomer selectivity (84%), and exceptional stability towards hydrogenation of p-phthalic acid in water.

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11

Chow, Yuan L., and Huali Li. "Light-promoted catalysis of nickel hydride complexes in the isomerization and hydrogenation of cis,cis-1,5-cyclooctadiene: mechanistic studies." Canadian Journal of Chemistry 64, no. 11 (1986): 2229–31. http://dx.doi.org/10.1139/v86-367.

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Xanthone-sensitized photoreduction of Ni(acac)2 in benzene under hydrogen, in the presence of cis,cis-1,5-cyclooctadiene (1,5-COD), causes isomerization and hydrogenation of the diene according to the consecutive transformation 1,5-COD → 1,4-COD → 1,3-COD → cyclooctene → cyclooctane. Evidence was provided that (i) a nickel hydride complex was generated, (ii) the sensitized excitation of this complex caused addition to the double bond, (iii) subsequent elimination caused isomerization, and (iv) triplet excited xanthone sensitized the transformations.

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12

Luo, Zhonghua, Guodong Sun, Zihong Zhou, et al. "Stereogenic cis-2-substituted-N-acetyl-3-hydroxy-indolines via ruthenium(ii)-catalyzed dynamic kinetic resolution-asymmetric transfer hydrogenation." Chemical Communications 54, no. 96 (2018): 13503–6. http://dx.doi.org/10.1039/c8cc07336h.

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Ruthenium(ii)-catalyzed dynamic kinetic resolution-asymmetric transfer hydrogenation of racemic 2-substituted-N-acetyl-3-oxoindolines is reported, affording cis-2-substituted-N-acetyl-3-hydroxyindolines in high yields with excellent diastereoselectivity and enantioselectivity.

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13

BELELLI, PATRICIA G., and NORBERTO J. CASTELLANI. "A THEORETICAL STUDY OF UNSATURATED OLEFIN HYDROGENATION AND ISOMERIZATION ON Pd(111)." Surface Review and Letters 15, no. 03 (2008): 249–59. http://dx.doi.org/10.1142/s0218625x08011329.

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The addition of hydrogen to the carbon–carbon double bond of 2-butenes adsorbed on Pd (111) was studied within the density functional theory (DFT) and using a periodic slab model. For that purpose, the Horiuti–Polanyi mechanisms for both complete hydrogenation and isomerization were considered. The hydrogenation of cis and trans-2-butene to produce butane proceeds via the formation of eclipsed and staggered-2-butyl intermediates, respectively. In both cases, a relatively high energy barrier to produce the half-hydrogenated intermediate makes the first hydrogen addition the slowest step of the

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14

Wang, Jintao, Jiukai Xiong, Juanjuan Li, Jiali Wang, Kerang Wang, and Xiaoliu Li. "Hydrogenation of Alkynes to cis-Alkenes with Hydrazine in Air." Chinese Journal of Organic Chemistry 37, no. 6 (2017): 1407. http://dx.doi.org/10.6023/cjoc201701040.

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15

Wright, A. J., A. L. Mihele, and L. L. Diosady. "Cis selectivity of mixed catalyst systems in canola oil hydrogenation." Food Research International 36, no. 8 (2003): 797–804. http://dx.doi.org/10.1016/s0963-9969(03)00074-7.

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16

Zhang, Zhenhua, and Haifeng Du. "Cis-Selective and Highly Enantioselective Hydrogenation of 2,3,4-Trisubstituted Quinolines." Organic Letters 17, no. 11 (2015): 2816–19. http://dx.doi.org/10.1021/acs.orglett.5b01240.

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17

Vasil’ev, A. A., I. V. Kuchurov, and S. G. Zlotin. "1,4-cis-Hydrogenation of butyl sorbate in supercritical carbon dioxide." Russian Chemical Bulletin 67, no. 5 (2018): 923–26. http://dx.doi.org/10.1007/s11172-018-2158-8.

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18

Hu, Thomas Q., Chung-Li Lee, Brian R. James, and Steven J. Rettig. "Stereoselective hydrogenation of lignin degradation model compounds." Canadian Journal of Chemistry 75, no. 9 (1997): 1234–39. http://dx.doi.org/10.1139/v97-149.

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Di-µ-chloro-bis(η4-1,5-hexadiene)dirhodium(I) in a two-phase hexane–aqueous medium catalyzes the diastereoselective H2-hydrogenation of lignin degradation model compounds 4-propylphenol, 2-methoxy-4-propylphenol, and 2,6-dimethoxy-4-propylphenol. The all-cis diastereomer is obtained selectively when the phenolic hydroxy group is protected as a methyl ether or when a model compound possessing two methoxy substituents adjacent to the phenolic hydroxy group is used. The relative stereochemistries of the hydrogenated products are established by X-ray crystal structure analysis and (or) 1H NMR. Key

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19

Jia, Xiaoqing, Xiaomeng Zhou, Hengdao Quan, Masanori Tamura, and Akira Sekiya. "Preparation of cis-1,1,1,4,4,4-hexafluorobut-2-ene by cis-selective semi-hydrogenation of perfluoro-2-butyne." Journal of Fluorine Chemistry 132, no. 12 (2011): 1188–93. http://dx.doi.org/10.1016/j.jfluchem.2011.06.004.

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20

Shi, Wei, Lianyang Zhang, Zheming Ni, Shengjie Xia, and Xuechun Xiao. "DFT investigations of the adsorption and hydrodesulfurization mechanism of thiophene catalyzed by Pd(111) surface." RSC Adv. 4, no. 102 (2014): 58315–24. http://dx.doi.org/10.1039/c4ra11074a.

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The adsorption of thiophene on Pd(111) surface at hollow site through the ring plane is the most stable. The direct hydrodesulfurization has more than one possible product and is difficult to control. The indirect hydrodesulfurization was the best fit for the 1,2-cis-hydrogenation.

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21

Hušák, Michal, Bohumil Kratochvíl, Petr Sedmera, et al. "Molecular Structure of cis- and trans-Tergurides." Collection of Czechoslovak Chemical Communications 63, no. 3 (1998): 425–33. http://dx.doi.org/10.1135/cccc19980425.

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Four isomers of terguride, a semisynthetic ergot alkaloid derivative, have been prepared by catalytic hydrogenation of (5R,8S)- and (5S,8S)-lisuride [1,1-diethyl-3-(6-methyl-8-ergolenyl)urea]. Relative stereochemistry of the isomers is based on NMR and CD spectra. Absolute configuration of all the series has been confirmed by the X-ray crystal structure determination of (5R,8S,10S)-terguride 2-bromobenzoate [1,1-diethyl-3-(6-methyl-8-isoergolenyl)urea, cis-dihydrolisuride].

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22

van Bekkum, H., H. M. A. Buurmans, G. van Minnen-Pathuis, and B. M. Wepster. "Hydrogenation of 1,3,5-tri-t-butylbenzene over platinum and palladium: Synthesis of cis,cis- and cis,trans-1,3,5-tri-t-butylcyclohexane." Recueil des Travaux Chimiques des Pays-Bas 88, no. 7 (2010): 779–94. http://dx.doi.org/10.1002/recl.19690880703.

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23

Sun, Jing, Muslim Raza, Xinxiao Sun, and Qipeng Yuan. "Biosynthesis of adipic acid via microaerobic hydrogenation of cis,cis-muconic acid by oxygen-sensitive enoate reductase." Journal of Biotechnology 280 (August 2018): 49–54. http://dx.doi.org/10.1016/j.jbiotec.2018.06.304.

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24

Poshyachinda, Saran, and Vivat Kanitthanon. "FT Raman spectroscopic study of the diimide hydrogenation of cis-polybutadiene: Some evidence of cis—trans isomerization." Spectrochimica Acta Part A: Molecular Spectroscopy 50, no. 11 (1994): 2011–17. http://dx.doi.org/10.1016/0584-8539(94)80213-0.

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25

Wang, Qian, Yunchan Hou, Haiyang Zhao, Yuqing Li, and Aijing Jia. "Highly Selective Hydrogenation of Tetralin to cis ‐Decalin Using Ru Catalyst." ChemistrySelect 4, no. 19 (2019): 5796–98. http://dx.doi.org/10.1002/slct.201900709.

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26

Kurahashi, Takuya, Seijiro Matsubara, and Ryo Nishibayashi. "Palladium Porphyrin Catalyzed Hydrogenation of Alkynes: Stereoselective Synthesis of cis-Alkenes." Synlett 25, no. 09 (2014): 1287–90. http://dx.doi.org/10.1055/s-0033-1341240.

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27

Wiesenfeldt, Mario P., Zackaria Nairoukh, Wei Li, and Frank Glorius. "Hydrogenation of fluoroarenes: Direct access to all-cis-(multi)fluorinated cycloalkanes." Science 357, no. 6354 (2017): 908–12. http://dx.doi.org/10.1126/science.aao0270.

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28

Li, Bijin, and Haibo Ge. "Highly selective electrochemical hydrogenation of alkynes: Rapid construction of mechanochromic materials." Science Advances 5, no. 5 (2019): eaaw2774. http://dx.doi.org/10.1126/sciadv.aaw2774.

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Electrochemical hydrogenation has emerged as an environmentally benign and operationally simple alternative to traditional catalytic reduction of organic compounds. Here, we have disclosed for the first time the electrochemical hydrogenation of alkynes to a library of synthetically important Z-alkenes under mild conditions with great selectivity and efficiency. The deuterium and control experiments of electrochemical hydrogenation suggest that the hydrogen source comes from the solvent, supporting electrolyte, and base. The scanning electron microscopy and x-ray diffraction experiments demonst

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29

Buchanan, G. W., Y. Lear, and C. Bensimon. "The sodium perchlorate complex of cis-syn-cis dicyclohexano-24-crown-8 ether. X-ray crystal structure and solution conformations as studied by variable temperature 13C NMR spectroscopy at 125 MHz. An example of eight-coordinate sodium." Canadian Journal of Chemistry 70, no. 6 (1992): 1688–95. http://dx.doi.org/10.1139/v92-212.

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The major isomer obtained by hydrogenation of dibenzo-24-crown-8 ether is shown to have the cis-syn-cis configuration as determined from the crystal structure of its sodium perchlorate complex. This material possesses eight-coordinate sodium with Na—O distances ranging from 2.54 to 2.78 Å. The complex is shown to exist in a single asymmetric conformation below 240 K as determined by 13C NMR at 125 MHz. From NMR coalescence temperature measurement, the free energy of activation for cyclohexane ring inversion in this complex has been determined to be 51.0 ± 0.6 kJ/mol.

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30

Yates, Peter, D. Jean Burnell, Vernon J. Freer, and Jeffery F. Sawyer. "Synthesis of cedranoid sesquiterpenes. III. Functionalization at carbon 4." Canadian Journal of Chemistry 65, no. 1 (1987): 69–77. http://dx.doi.org/10.1139/v87-012.

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Dimethyl 6,6-dimethyl-5,7-dioxobicyclo[2.2.2]oct-2-ene-2,3-dicarboxylate (8) on irradiation in acetophenone gives dimethyl 6,6-dimethyl-4,7-dioxotricyclo[3.2.1.02,8]octane-1,8-dicarboxylate (13), which on treatment with lithium dimethylcuprate followed by monodecarbomethoxylation gives methyl 4,4-endo-8-trimethyl-3,6-dioxo-cis-bicyclo[3.3.0]octane-1-carboxylate (17). Similar irradiation of dimethyl 4,6,6-trimethyl-5,7-dioxobicyclo[2.2.2]oct-2-ene-2,3-dicarboxylate (24) and its 7,7-ethylenedioxy derivative (25) followed by treatment with DBU and concentrated H2SO4, respectively, gives dimethyl

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31

Rosengart, Alessandro, Carlo Pirola, and Sofia Capelli. "Hydrogenation of Trans,Trans-Muconic Acid to Bio-Adipic Acid: Mechanism Identification and Kinetic Modelling." Processes 8, no. 8 (2020): 929. http://dx.doi.org/10.3390/pr8080929.

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The hydrogenation of trans,trans-muconic acid was investigated on a Pt/C 5% (wt) catalyst in a batch slurry reactor at constant hydrogen pressure (4 bar) and temperature (323, 333 and 343 K), with the purpose of developing a kinetic model able to predict conversions and product distributions. A dual-site Langmuir–Hinshelwood–Hougen–Watson (LHHW) model with hydrogen dissociation provided good fitting of the experimental data. The model parameters were regressed by robust numerical methods to overcome the computational challenges of the model parameters’ collinearity. Different reaction mechanis

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32

Wiberg, Kenneth B., David Y. Nakaji, and Kathleen M. Morgan. "Heat of hydrogenation of a cis imine. An experimental and theoretical study." Journal of the American Chemical Society 115, no. 9 (1993): 3527–32. http://dx.doi.org/10.1021/ja00062a017.

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33

B�nnemann, H., W. Brijoux, K. Siepen, et al. "Surfactant stabilized palladium colloids as precursors for cis-selective alkyne-hydrogenation catalysts." Applied Organometallic Chemistry 11, no. 10-11 (1997): 783–96. http://dx.doi.org/10.1002/(sici)1099-0739(199710/11)11:10/11<783::aid-aoc630>3.0.co;2-#.

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34

MaGee, David I., May Ling Lee, and Andreas Decken. "ChemInform Abstract: Construction of cis- and trans-Decahydroisoquinolines via Heterogeneous Catalytic Hydrogenation." ChemInform 30, no. 35 (2010): no. http://dx.doi.org/10.1002/chin.199935164.

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35

Zhang, Zhenhua, and Haifeng Du. "ChemInform Abstract: cis-Selective and Highly Enantioselective Hydrogenation of 2,3,4-Trisubstituted Quinolines." ChemInform 46, no. 42 (2015): no. http://dx.doi.org/10.1002/chin.201542178.

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36

Fang, Wei, and D. W. Rogers. "Enthalpy of hydrogenation of the hexadienes and cis- and trans-1,3,5-hexatriene." Journal of Organic Chemistry 57, no. 8 (1992): 2294–97. http://dx.doi.org/10.1021/jo00034a019.

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37

Ndongou Moutombi, Fanta J., Ayyoub Selka, Anne-Sylvie Fabiano-Tixier, et al. "Highly selective solvent-free hydrogenation of pinenes to added-value cis-pinane." Comptes Rendus Chimie 21, no. 11 (2018): 1035–42. http://dx.doi.org/10.1016/j.crci.2018.09.002.

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38

Shiotani, Akinori. "Darstellung und Strukturelle Charakterisierung von cis-und trans- Dicyclohexyl-3,3′,4,4′-tetracarbonsäure-tetramethylestern / Preparation and Structural Characterization of cis- and trans-Tetramethyl Dicyclohexyl-3,3′,4,4′-tetracarboxylates." Zeitschrift für Naturforschung B 56, no. 2 (2001): 189–201. http://dx.doi.org/10.1515/znb-2001-0211.

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Abstract In the catalytic hydrogenation of tetramethyl biphenyl-3,3′,4,4′-tetracarboxylate, tetramethyl dicyclohexyl-3,3′,4,4′-tetracarboxylates were obtained, from which we have isolated cis isomers as crystals. The base-catalyzed isomerization afforded the trans isomers. The structure of the products isolated was determined by single-crystal x-ray diffraction, which clearly reveals the axial and equatorial positions of the methoxycarbonyl group. The structures in solution are supported by 1H and 13C NMR data, and also by two-dimensional COSY techniques.

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39

Dagys, Laurynas, Barbara Ripka, Markus Leutzsch, et al. "<i>Geminal</i> parahydrogen-induced polarization: accumulating long-lived singlet order on methylene proton pairs." Magnetic Resonance 1, no. 2 (2020): 175–86. http://dx.doi.org/10.5194/mr-1-175-2020.

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Abstract. In the majority of hydrogenative parahydrogen-induced polarization (PHIP) experiments, the hydrogen molecule undergoes pairwise cis addition to an unsaturated precursor to occupy vicinal positions on the product molecule. However, some ruthenium-based hydrogenation catalysts induce geminal hydrogenation, leading to a reaction product in which the two hydrogen atoms are transferred to the same carbon centre, forming a methylene (CH2) group. The singlet order of parahydrogen is substantially retained over the geminal hydrogenation reaction, giving rise to a singlet-hyperpolarized CH2 g

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40

Popescu (Stanica), Andra Ioana, Mihaela Bombos, Roxana Daniela Popovici, Dorin Bombos, and Ion Bolocan. "Hydrogenation of Naphtalene on Pt-Pd Catalyst." Revista de Chimie 68, no. 2 (2017): 210–14. http://dx.doi.org/10.37358/rc.17.2.5421.

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The hydrogenation of naphthalene was conducted on Pt-Pd /g-Al2O3 catalyst. Characterization of the catalyst was carried out by determination of acidity and textural characteristics. The distribution of the acid strength of the prepared catalysts was determined by thermic desorption of diethyl amine and textural characteristics were determined by desorption of liquid nitrogen. Experiments were carried out on 1.5-6h-1 and molar ratio hydrogen/ naphthalene of 10/1. The main compounds identified were tetralin, trans and cis-decalin. The naphthalene conversion was higher and grew up with temperatur

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41

Brisach-Wittmeyer, Anne, Nicolas-Alexandre Bouchard, Raymond Breault, and Hugues Ménard. "Electrocatalytic hydrogenation of catechol on Rh–Al2O3 in different media — pH-Dependent reduction mechanism for intermediate formation." Canadian Journal of Chemistry 84, no. 12 (2006): 1640–47. http://dx.doi.org/10.1139/v06-169.

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The electrocatalytic hydrogenation of catechol was carried out in aqueous media in different pH ranges with Rh–Al2O3 powder catalyst. The reactions were conducted in an H-cell used as a dynamic cell, with a reticulated vitreous carbon electrode in contact with the catalyst powder as the working electrode. It was shown that the final product is 1,2-cyclohexanediol (cis and trans isomers) and that several intermediates are detected depending on the pH of the solution. Different media, from pH 5 to 13, were studied. One of the intermediates is 1,2-cyclohexanedione, detected at all pH values. The

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42

Gao, Hanrong, and Robert J. Angelici. "Rh2Cl2(CO)4 adsorbed and tethered on gold powder: IR spectroscopic characterization and olefin hydrogenation activity." Canadian Journal of Chemistry 79, no. 5-6 (2001): 578–86. http://dx.doi.org/10.1139/v00-190.

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Catalysts were prepared by adsorbing Rh2Cl2(CO)4 directly on gold powder or on gold that contained the tethered ligands 2-(diphenylphosphino)ethane-1-thiol (DPET) or methyl 2-mercaptonicotinate (MMNT). Infrared (IR) studies (diffuse reflectance infrared Fourier transform (DRIFT)) of the catalyst RhAu prepared by adsorbing Rh2Cl2(CO)4 directly on Au indicate that a RhI(CO)2 species is present. IR studies of RhDPET-Au suggest that tethered cis-Rh(DPET)(CO)2Cl is the major species at relatively high Rh2Cl2(CO)4 loadings, but trans-Rh(DPET)2(CO)Cl is observable at low Rh2Cl2(CO)4 loadings. Spect

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43

Bouchry, Naima, Jean-Pierre Aune та Taoufiq Rais. "Pd/AIPO4 CATALYSED SELECTIVE LIQUID-PHASE HYDROGENATION OF β-IONONE INTO CIS-DIHYDROIONONE". Bulletin des Sociétés Chimiques Belges 104, № 7 (2010): 439–47. http://dx.doi.org/10.1002/bscb.19951040706.

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Lund, Clinton L., Michael J. Sgro, Renan Cariou, and Douglas W. Stephan. "A Cis-Bis-Mixed-Carbene Ruthenium Hydride Complex: An Olefin-Selective Hydrogenation Catalyst." Organometallics 31, no. 3 (2012): 802–5. http://dx.doi.org/10.1021/om300014r.

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Nairoukh, Zackaria, Marco Wollenburg, Christoph Schlepphorst, Klaus Bergander, and Frank Glorius. "The formation of all-cis-(multi)fluorinated piperidines by a dearomatization–hydrogenation process." Nature Chemistry 11, no. 3 (2019): 264–70. http://dx.doi.org/10.1038/s41557-018-0197-2.

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Siimer, �. Kh, and S. S. Petrova. "Catalytic hydrogenation of alkynes to cis-alkenes on a modified boron-nickel catalyst." Bulletin of the Academy of Sciences of the USSR Division of Chemical Science 40, no. 12 (1991): 2516–18. http://dx.doi.org/10.1007/bf00959736.

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Tucker, James R., and Dennis P. Riley. "Selective catalytic hydrogenation of 1,4-dienes to cis-monoenes using (naphthalene)(tricarbonyl)chromium." Journal of Organometallic Chemistry 279, no. 1-2 (1985): 49–62. http://dx.doi.org/10.1016/0022-328x(85)87006-6.

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Mihovilovic, Marko D., and Helmut Spreitzer. "Diastereoselective Synthesis of cis-2,6-Disubstituted Perhydro-4-pyranones Using Elevated Pressure Hydrogenation." Monatshefte für Chemie - Chemical Monthly 136, no. 7 (2005): 1197–203. http://dx.doi.org/10.1007/s00706-005-0317-8.

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Wright, A. J., A. Wong, and L. L. Diosady. "Ni catalyst promotion of a Cis-selective Pd catalyst for canola oil hydrogenation." Food Research International 36, no. 9-10 (2003): 1069–72. http://dx.doi.org/10.1016/j.foodres.2003.08.005.

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