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Journal articles on the topic 'Salen chiraux'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Gualandi, Andrea, Francesco Calogero, Simone Potenti, and Pier Giorgio Cozzi. "Al(Salen) Metal Complexes in Stereoselective Catalysis." Molecules 24, no. 9 (2019): 1716. http://dx.doi.org/10.3390/molecules24091716.

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Salen ligands are a class of Schiff bases simply obtained through condensation of two molecules of a hydroxyl-substituted aryl aldehyde with an achiral or chiral diamine. The prototype salen, or N,N′-bis(salicylidene)ethylenediamine has a long history, as it was first reported in 1889, and immediately, some of its metal complexes were also described. Now, the salen ligands are a class of N,N,O,O tetradentate Schiff bases capable of coordinating many metal ions. The geometry and the stereogenic group inserted in the diamine backbone or aryl aldehyde backbone have been utilized in the past to ef

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2

Adão, Pedro, Mannar R. Maurya, Umesh Kumar, et al. "Vanadium-salen and -salan complexes: Characterization and application in oxygen-transfer reactions." Pure and Applied Chemistry 81, no. 7 (2009): 1279–96. http://dx.doi.org/10.1351/pac-con-08-09-07.

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Salen complexes are a versatile and standard system in oxidation catalysis. Their reduced derivatives, called salan, share their versatility but are still widely unexplored. We report the synthesis of a group of new vanadium-salen and -salan complexes, their characterization and application in the oxidation of simple organic molecules with H2O2. The ligands are derived from pyridoxal and chiral diamines (1,2-diaminocyclohexane and 1,2-diphenylethylenediamine) and were easily obtained in high yields. The VIV complexes were prepared and characterized in the solid state (Fourier transform infrare

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3

Zuo, Shengli, Shuxiang Zheng, Jianjun Liu та Ang Zuo. "Mechanochemical synthesis of unsymmetrical salens for the preparation of Co–salen complexes and their evaluation as catalysts for the synthesis of α-aryloxy alcohols via asymmetric phenolic kinetic resolution of terminal epoxides". Beilstein Journal of Organic Chemistry 18 (10 жовтня 2022): 1416–23. http://dx.doi.org/10.3762/bjoc.18.147.

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In this paper, we report the mechanochemical synthesis of unsymmetrical salens using grinding and ball milling technologies, respectively, both of which were afforded in good yield. The chelating effect of the unsymmetrical salens with zinc, copper, and cobalt was studied and the chiral Co–salen complex 2f was obtained in 98% yield. Hydrolytic kinetic resolution (HKR) of epichlorohydrin with water catalyzed by complex 2f (0.5 mol %) was explored and resulted in 98% ee, suggesting complex 2f could serve as an enantioselective catalyst for the asymmetric ring opening of terminal epoxides by phen

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4

Li, Ningning, Quanyu Ma, and Jiaxi Xu. "Scandium(III)-Enlarged Salen Complex-Catalyzed Asymmetric Michael Addition of Indoles to Enones." Molecules 30, no. 3 (2025): 459. https://doi.org/10.3390/molecules30030459.

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Salens are a class of important ligands and have been widely applied in asymmetric catalytic organic reactions. Enlarged salen-like ligands containing flexible chains were synthesized from L-phenylalanine, ethane/propanediamines, and salicylaldehydes, and successfully utilized in the scandium-catalyzed enantioselective Michael addition of indoles and enones (2-cinnamoylpyridine 1-oxides). The catalytic system demonstrates excellent reactivity and stereoselective control over electron-rich indole substrates with up to 99% yield and 99% enantiomeric excess. The enlarged Salen ligands with flexib

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5

Karukurichi, Kannan R., Xiang Fei, Robert A. Swyka, et al. "Mini-ISES identifies promising carbafructopyranose-based salens for asymmetric catalysis: Tuning ligand shape via the anomeric effect." Science Advances 1, no. 6 (2015): e1500066. http://dx.doi.org/10.1126/sciadv.1500066.

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This study introduces new methods of screening for and tuning chiral space and in so doing identifies a promising set of chiral ligands for asymmetric synthesis. The carbafructopyranosyl-1,2-diamine(s) and salens constructed therefrom are particularly compelling. It is shown that by removing the native anomeric effect in this ligand family, one can tune chiral ligand shape and improve chiral bias. This concept is demonstrated by a combination of (i) x-ray crystallographic structure determination, (ii) assessment of catalytic performance, and (iii) consideration of the anomeric effect and its u

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6

Chaudhary, Pooja, Geeta Devi Yadav, Krishna K. Damodaran, and Surendra Singh. "Synthesis of new chiral Mn(iii)–salen complexes as recoverable and reusable homogeneous catalysts for the asymmetric epoxidation of styrenes and chromenes." New Journal of Chemistry 46, no. 3 (2022): 1308–18. http://dx.doi.org/10.1039/d1nj04758b.

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7

Soundararajan, Karthikeyan, Helen Ratna Monica Jeyarajan, Raju Subimol Kamarajapurathu, and Karthik Krishna Kumar Ayyanoth. "Facile and innovative catalytic protocol for intramolecular Friedel–Crafts cyclization of Morita–Baylis–Hillman adducts: Synergistic combination of chiral (salen)chromium(III)/BF3·OEt2 catalysis." Beilstein Journal of Organic Chemistry 17 (August 26, 2021): 2186–93. http://dx.doi.org/10.3762/bjoc.17.140.

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The chiral (salen)Cr(III)/BF3·OEt2 catalytic combination was found to be an effective catalyst for intramolecular Friedel–Crafts cyclization of electron-deficient Morita–Baylis–Hillman adducts. In presence of mild reaction conditions the chiral (salen)Cr(III)/BF3·OEt2 complex affords 2-substituted-1H-indenes from unique substrates of Morita–Baylis–Hillman adducts via an easy operating practical procedure.

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8

Ikbal, Sk Asif, Yoko Sakata, and Shigehisa Akine. "A chiral spirobifluorene-based bis(salen) zinc(ii) receptor towards highly enantioselective binding of chiral carboxylates." Dalton Transactions 50, no. 12 (2021): 4119–23. http://dx.doi.org/10.1039/d1dt00218j.

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9

Pappalardo, Andrea, Francesco P. Ballistreri, Rosa Maria Toscano, et al. "Alkene Epoxidations Mediated by Mn-Salen Macrocyclic Catalysts." Catalysts 11, no. 4 (2021): 465. http://dx.doi.org/10.3390/catal11040465.

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Three new chiral Mn macrocycle catalysts containing 20 or 40 atoms in the macrocycle were synthetized and tested in the enantioselective epoxidation of cis-β-ethyl-styrene and 1,2-dihydronathalene. The effect of the presence of a binaphtol (BINOL) compound in the catalyst backbone has been evaluated, including by Density Functional Theory (DFT) calculations.

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10

Jia, Yihong, Asma A. Alothman, Rui Liang, et al. "Oligomeric (Salen)Mn(III) Complexes Featuring Tartrate Linkers Immobilized over Layered Double Hydroxide for Catalytically Asymmetric Epoxidation of Unfunctionalized Olefins." Materials 13, no. 21 (2020): 4860. http://dx.doi.org/10.3390/ma13214860.

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A series of oligomeric (salen)Mn(III) complexes featuring tartrate linkers were prepared and immobilized over layered double hydroxide, and then used as catalysts for asymmetric epoxidation of unfunctionalized olefins. Comprehensive characterizations including 1H NMR, FT-IR, UV-Vis, elemental analysis, GPC, and ICP-AES were used to illustrate structures of oligomeric (salen)Mn(III) complexes, while powdered XRD, nitrogen physisorption, together with XPS studies provided further details to detect structures of heterogeneous catalysts. Interestingly, scanning electron microscopy found an interes

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11

Kim, Sung Soo. "Asymmetric cyanohydrin synthesis from aldehydes and ketones using chiral metal (salen) complex as catalyst." Pure and Applied Chemistry 78, no. 5 (2006): 977–83. http://dx.doi.org/10.1351/pac200678050977.

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12

Saravanan, S., Noor-ul H. Khan, Ajay Jakhar, et al. "Enantioselective Strecker reaction of aldimines using potassium cyanide catalyzed by a recyclable macrocyclic V(v) salen complex." RSC Advances 5, no. 121 (2015): 99951–58. http://dx.doi.org/10.1039/c5ra18914d.

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Chiral dimeric V(v) salen complexes have been synthesized and used as catalysts for asymmetric Strecker reaction of N-benzylimines using both KCN to produce chiral α-amino nitrile. The catalyst was recycled upto five times without loss in its activity.

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13

Tanaka, Daiki, Wataru Kawakubo, Erika Tsuda, et al. "Microfluidic synthesis of chiral salen Mn(ii) and Co(ii) complexes containing lysozyme." RSC Advances 6, no. 85 (2016): 81862–68. http://dx.doi.org/10.1039/c6ra09975k.

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14

Roy, Tamal, Sunirmal Barik, Manish Kumar, et al. "Asymmetric hydrolytic kinetic resolution with recyclable polymeric Co(iii)–salen complexes: a practical strategy in the preparation of (S)-metoprolol, (S)-toliprolol and (S)-alprenolol: computational rationale for enantioselectivity." Catal. Sci. Technol. 4, no. 11 (2014): 3899–908. http://dx.doi.org/10.1039/c4cy00594e.

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15

Gao, Bo, Dongni Li, Yanhui Li, Qian Duan, Ranlong Duan, and Xuan Pang. "Ring-opening polymerization of lactide using chiral salen aluminum complexes as initiators: high productivity and stereoselectivity." New Journal of Chemistry 39, no. 6 (2015): 4670–75. http://dx.doi.org/10.1039/c5nj00469a.

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16

Puglisi, Roberta, Francesco P. Ballistreri, Chiara M. A. Gangemi, et al. "Chiral Zn–salen complexes: a new class of fluorescent receptors for enantiodiscrimination of chiral amines." New Journal of Chemistry 41, no. 3 (2017): 911–15. http://dx.doi.org/10.1039/c6nj03592b.

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17

Xi, Xiuxing, Jing Shao, Xingbang Hu, and Youting Wu. "Structure and asymmetric epoxidation reactivity of chiral Mn(iii) salen catalysts modified by different axial anions." RSC Advances 5, no. 98 (2015): 80772–78. http://dx.doi.org/10.1039/c5ra13178b.

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18

Li, Jiawei, Yanwei Ren, Chaorong Qi, and Huanfeng Jiang. "The first porphyrin–salen based chiral metal–organic framework for asymmetric cyanosilylation of aldehydes." Chemical Communications 53, no. 58 (2017): 8223–26. http://dx.doi.org/10.1039/c7cc03499g.

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19

Song, Feijie, Teng Zhang, Cheng Wang, and Wenbin Lin. "Chiral porous metal-organic frameworks with dual active sites for sequential asymmetric catalysis." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 468, no. 2143 (2012): 2035–52. http://dx.doi.org/10.1098/rspa.2012.0100.

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Metal-organic frameworks (MOFs) are a class of organic–inorganic hybrid materials built from metal-connecting nodes and organic-bridging ligands. They have received much attention in recent years owing to the ability to tune their properties for potential applications in various areas. Properly designed MOFs with uniform, periodically aligned active sites have shown great promise in catalysing shape-, size-, chemo-, regio- and stereo-selective organic transformations. This study reports the synthesis and characterization of two chiral MOFs (CMOFs 1 and 2 ) that are constructed from Mn-salen-de

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20

Qu, Lang, Chunbo Li, Guangyu Shen, et al. "Syntheses, crystal structures, chirality and aggregation-induced phosphorescence of stacked binuclear platinum(ii) complexes with bridging Salen ligands." Materials Chemistry Frontiers 3, no. 6 (2019): 1199–208. http://dx.doi.org/10.1039/c9qm00105k.

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21

Gao, Mengqiao, Rong Tan, Pengbo Hao, Yaoyao Zhang, Jiang Deng, and Donghong Yin. "Ultraviolet-responsive self-assembled metallomicelles for photocontrollable catalysis of asymmetric sulfoxidation in water." RSC Advances 7, no. 86 (2017): 54570–80. http://dx.doi.org/10.1039/c7ra11022g.

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22

Lee, Kwang Yeon, Young Hee Lee, Chang Kyo Shin, and Geon Joong Kim. "Chiral (Salen) Complexes Encapsulated in Mesoporous ZSM-5 as an Optical Active Catalyst for Asymmetric Phenolic Ring Opening of Terminal Epoxides." Solid State Phenomena 124-126 (June 2007): 1809–12. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.1809.

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ZSM-5 was modified by alkaline and acidic solution to introduce mesoporosity in the crystals. Heterogenized Co(III) salen was prepared in the mesopores of ZSM-5 by ‘ship-in-a-bottle’ method. Phenolic ring opening of epoxides was performed successfully by using encapsulated chiral salen catalysts. Very high enantioselectivity and conversion were obtained in PKR reaction by immobilized catalysts.

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23

Reyes, Juliana, Jairo Antonio Cubillos, Aída Luz Villa, and Consuelo Montes de Correa. "Effect of substrate and catalyst chirality on the diastereoselective epoxidation of R-(+)-limonene with manganese(III) salen complexes." Revista Facultad de Ingeniería Universidad de Antioquia, no. 48 (July 23, 2013): 18–26. http://dx.doi.org/10.17533/udea.redin.16005.

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The asymmetric epoxidation of R-(+)-limonene in the presence of the Jacobsen´s catalyst in its chiral and achiral either homogeneous or heterogeneous (immobilized on Al-MCM-41) forms was studied using in situ generated dimethyldioxirane as oxidizing agent. It was found that the catalytic activity of the chiral and achiral forms of the Jacobsen´s catalyst was very similar either homogeneous or heterogeneous. This result suggests that the preferential formation of cis-(+)-1,2-limonene oxide depends not only on the catalyst chiral center, but also on the substrate chiral center. This represents a

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24

Xing, Chen, Jiang Deng, Rong Tan, et al. "Cooperative chiral salen TiIV catalyst supported on ionic liquid-functionalized graphene oxide accelerates asymmetric sulfoxidation in water." Catalysis Science & Technology 7, no. 24 (2017): 5944–52. http://dx.doi.org/10.1039/c7cy01511a.

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25

Wang, Weiying, Chaoping Li, Yibing Pi, Jiajun Wang, Rong Tan, and Donghong Yin. "Chiral salen Cr(iii) complexes encapsulated in thermo-responsive polymer nanoreactors for asymmetric epoxidation of alkenes in water." Catalysis Science & Technology 9, no. 20 (2019): 5626–35. http://dx.doi.org/10.1039/c9cy01398a.

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Thermo-responsive polymer nanoreactors containing chiral salen Cr(iii) complexes exhibited unprecedented efficiency and facile reusability in asymmetric epoxidation of unfunctionalized olefins in water.

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26

Savchuk, Mariia, Steven Vertueux, Thomas Cauchy, et al. "Schiff-base [4]helicene Zn(ii) complexes as chiral emitters." Dalton Transactions 50, no. 30 (2021): 10533–39. http://dx.doi.org/10.1039/d1dt01752g.

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27

Shen, Guangyu, Fei Gou, Jinghui Cheng, Xiaohong Zhang, Xiangge Zhou, and Haifeng Xiang. "Chiral and non-conjugated fluorescent salen ligands: AIE, anion probes, chiral recognition of unprotected amino acids, and cell imaging applications." RSC Advances 7, no. 64 (2017): 40640–49. http://dx.doi.org/10.1039/c7ra08267c.

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28

Bandini, Marco, Pier Giorgio Cozzi, and Achille Umani-Ronchi. "Asymmetric synthesis with "privileged" ligands." Pure and Applied Chemistry 73, no. 2 (2001): 325–29. http://dx.doi.org/10.1351/pac200173020325.

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Different types of chiral "privileged" ligands 1 and 2 in promoting enantioselective addition of allylating agents to aliphatic and aromatic aldehydes are described. Here, a new concept in the asymmetric allylation reaction is presented. Redox [Cr (Salen) ] mediated addition of allyl halides to carbonyl compounds is described, and mechanistic investigations are discussed. These results open access to the fascinating area of the catalytic redox processes mediated by metallo-Salen complexes.

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29

Zammataro, Agatino, Chiara Maria Antonietta Gangemi, Andrea Pappalardo, et al. "Covalently functionalized carbon nanoparticles with a chiral Mn-Salen: a new nanocatalyst for enantioselective epoxidation of alkenes." CHEMICAL COMMUNICATIONS 55, no. 36 (2019): 5255. https://doi.org/10.1039/c9cc01825e.

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A new protocol to obtain carbon nanoparticles (CNPs) covalently functionalized with a chiral Mn-Salen catalyst is described here. The new nanocatalyst (<strong>CNPs-Mn-Salen</strong>) was tested in the enantioselective epoxidation of some representative alkenes (CN-chromene, 1,2-dihydronaphthalene and <em>cis</em>-β-ethyl styrene), obtaining better enantiomeric excess values than that of the catalyst single molecule, highlighting the role of the nanostructure in the enantioselectivity.

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30

Huang, J., D. W. Qi, J. L. Cai, and X. H. Chen. "Retraction: Olefin epoxidation with chiral salen Mn(iii) immobilized on ZnPS-PVPA upon alkyldiamine." RSC Advances 10, no. 70 (2020): 43010. http://dx.doi.org/10.1039/d0ra90126a.

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31

Zabierowski, Piotr, Janusz Szklarzewicz, Ryszard Gryboś, Barbara Modryl, and Wojciech Nitek. "Assemblies of salen-type oxidovanadium(iv) complexes: substituent effects and in vitro protein tyrosine phosphatase inhibition." Dalton Trans. 43, no. 45 (2014): 17044–53. http://dx.doi.org/10.1039/c4dt02344g.

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A systematic study of 5,5′-disubstituted oxidovanadium(iv) complexes with a chiral salen type ligand showed variable assemblies of complex molecules dependent on steric and electronic factors of the substituents.

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32

Fu, Wenqin, Yibing Pi, Mengqiao Gao, et al. "Light-controlled cooperative catalysis of asymmetric sulfoxidation based on azobenzene-bridged chiral salen TiIV catalysts." Chemical Communications 56, no. 44 (2020): 5993–96. http://dx.doi.org/10.1039/c9cc09827e.

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Azobenzene-bridged chiral salen Ti<sup>IV</sup> catalysts enabled the cooperative bimetallic catalysis of asymmetric sulfoxidation in a light-controllable way through the E/Z photoisomerism of an azobenzene linker.

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33

Chen, Danping, Ran Luo, Meiyan Li, et al. "Salen(Co(iii)) imprisoned within pores of a metal–organic framework by post-synthetic modification and its asymmetric catalysis for CO2 fixation at room temperature." Chemical Communications 53, no. 79 (2017): 10930–33. http://dx.doi.org/10.1039/c7cc06522a.

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34

Roy, Susmita, Piyali Bhanja, Sk Safikul Islam, Asim Bhaumik, and Sk Manirul Islam. "A new chiral Fe(iii)–salen grafted mesoporous catalyst for enantioselective asymmetric ring opening of racemic epoxides at room temperature under solvent-free conditions." Chemical Communications 52, no. 9 (2016): 1871–74. http://dx.doi.org/10.1039/c5cc08675b.

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A new heterogeneous chiral Fe(iii)–salen grafted mesoporous catalyst has been synthesized for the enantioselective (ee > 99%) ARO reaction of racemic epoxides with aromatic amine under solvent-free conditions.

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35

Islam, Md Mominul, Piyali Bhanja, Mita Halder, Sudipta K. Kundu, Asim Bhaumik, and Sk Manirul Islam. "Chiral Co(iii)–salen complex supported over highly ordered functionalized mesoporous silica for enantioselective aminolysis of racemic epoxides." RSC Advances 6, no. 111 (2016): 109315–21. http://dx.doi.org/10.1039/c6ra21523h.

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36

Zheng, Weiguo, Rong Tan, Shenfu Yin, et al. "Ionic liquid-functionalized graphene oxide as an efficient support for the chiral salen Mn(iii) complex in asymmetric epoxidation of unfunctionalized olefins." Catalysis Science & Technology 5, no. 4 (2015): 2092–102. http://dx.doi.org/10.1039/c4cy01290a.

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Chiral salen Mn(iii) complex covalently grafted on IL-functionalized GO sheet, was a highly efficient, universal and reusable catalyst for asymmetric epoxidation of unfunctionalized olefins using aqueous NaOCl as an oxidant.

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37

Xia, Xuexiu, Chengrong Lu, Bei Zhao та Yingming Yao. "Lanthanide complexes combined with chiral salen ligands: application in the enantioselective epoxidation reaction of α,β-unsaturated ketones". RSC Advances 9, № 24 (2019): 13749–56. http://dx.doi.org/10.1039/c9ra01529a.

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38

Zhang, Yaoyao, Rong Tan, Mengqiao Gao, Pengbo Hao, and Donghong Yin. "Bio-inspired single-chain polymeric nanoparticles containing a chiral salen TiIV complex for highly enantioselective sulfoxidation in water." Green Chemistry 19, no. 4 (2017): 1182–93. http://dx.doi.org/10.1039/c6gc02743a.

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Bio-inspired SCPNs containing a chiral salen Ti<sup>IV</sup> complex in the IL-mediated hydrophobic cavity exhibited enzyme-mimetic activity, especially, outstanding selectivity, and facile reusability in enantioselective sulfoxidation in water.

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39

Zhang, Yaoyao, Rong Tan, Mengqiao Gao, Pengbo Hao, and Donghong Yin. "Correction: Bio-inspired single-chain polymeric nanoparticles containing a chiral salen TiIV complex for highly enantioselective sulfoxidation in water." Green Chemistry 19, no. 4 (2017): 1194. http://dx.doi.org/10.1039/c7gc90011b.

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Correction for ‘Bio-inspired single-chain polymeric nanoparticles containing a chiral salen Ti<sup>IV</sup> complex for highly enantioselective sulfoxidation in water’ by Yaoyao Zhang et al., Green Chem., 2017, DOI: 10.1039/c6gc02743a.

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40

Bhunia, Asamanjoy, Subarna Dey, José María Moreno, et al. "A homochiral vanadium–salen based cadmium bpdc MOF with permanent porosity as an asymmetric catalyst in solvent-free cyanosilylation." Chemical Communications 52, no. 7 (2016): 1401–4. http://dx.doi.org/10.1039/c5cc09459c.

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This chiral framework shows the highest H<sub>2</sub> adsorption and CO<sub>2</sub> capacity for currently known salen-based MOFs and shows an excellent performance as an asymmetric catalyst in solvent-free cyanosilylation.

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41

D'Urso, Alessandro, Cristina Tudisco, Francesco P. Ballistreri, et al. "Enantioselective extraction mediated by a chiral cavitand–salen covalently assembled on a porous silicon surface." Chem. Commun. 50, no. 39 (2014): 4993–96. http://dx.doi.org/10.1039/c4cc00034j.

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42

Huang, Jing, Xiangkai Fu, Gang Wang, Qiang Miao, and Guomin Wang. "Correction: Axially coordinated chiral salen Mn(iii) anchored onto azole onium modified ZnPS-PVPA as effective catalysts for asymmetric epoxidation of unfunctionalized olefins." Dalton Transactions 50, no. 23 (2021): 8258. http://dx.doi.org/10.1039/d1dt90084f.

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Correction for ‘Axially coordinated chiral salen Mn(iii) anchored onto azole onium modified ZnPS-PVPA as effective catalysts for asymmetric epoxidation of unfunctionalized olefins’ by Jing Huang et al., Dalton Trans., 2012, 41, 10661–10669, DOI: 10.1039/C2DT30081H.

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43

Zhao, Changjia, та Mukund Sibi. "Enantioselective and Diastereoselective Conjugate Radical Additions to α-Arylidene Ketones and Lactones". Synlett 28, № 20 (2017): 2971–75. http://dx.doi.org/10.1055/s-0036-1590930.

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A highly stereoselective conjugate radical addition to arylidene ketones and lactones has been developed. The conjugate radical additions using chiral salen Lewis acids proceeds with up to 99:1 dr and 87% ee in good to excellent chemical yields.

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44

Zhang, Yaoyao, Rong Tan, Guangwu Zhao, Xuanfeng Luo, and Donghong Yin. "Asymmetric epoxidation of unfunctionalized olefins accelerated by thermoresponsive self-assemblies in aqueous systems." Catalysis Science & Technology 6, no. 2 (2016): 488–96. http://dx.doi.org/10.1039/c5cy00953g.

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A thermoresponsive self-assembled nanoreactor, comprising a hydrophilic PNIPAAm shell and a hydrophobic chiral salen Mn<sup>III</sup> complex core, exhibits unprecedented efficiency and facile reusability in asymmetric epoxidation of unfunctionalized olefins in pure water without using any organic solvents.

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45

Zhang, Mingjie, Zhiyang Tang, Wenqin Fu, Weiying Wang, Rong Tan, and Donghong Yin. "An ionic liquid-functionalized amphiphilic Janus material as a Pickering interfacial catalyst for asymmetric sulfoxidation in water." Chemical Communications 55, no. 5 (2019): 592–95. http://dx.doi.org/10.1039/c8cc08292h.

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Novel IL-functionalized amphiphilic Janus chiral salen Ti<sup>IV</sup> catalysts behaved as Pickering interfacial catalysts, dramatically accelerating asymmetric sulfoxidation with aq. H<sub>2</sub>O<sub>2</sub> in water through the formation of stable Pickering emulsions.

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46

Gano, Marcin, Michał Wójcicki, and Ewa Janus. "Chiral Salen-Based Organic Salts: Synthesis and Potential Antibacterial Activity." Molecules 30, no. 10 (2025): 2173. https://doi.org/10.3390/molecules30102173.

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New chiral salen-based organic salts were synthesised and evaluated for their antibacterial activity against Serratia fonticola, Escherichia coli, and Enterobacter cloacae. Their structures and physicochemical properties, namely their specific rotation, melting point, thermal stability, and antibacterial efficacy, including minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC), were determined. The synergy between chiral organic salts and bacteriophages was also demonstrated. [(RR)Sal.5C1.PhIM][Cl], [(RR)Sal.5C1.PhIM][BF4], and [(RR)Sal.5C1.Pyr][OTf] had the lowes

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Li, Jiawei, Yanwei Ren, Chaorong Qi, and Huanfeng Jiang. "A chiral salen-based MOF catalytic material with high thermal, aqueous and chemical stabilities." Dalton Transactions 46, no. 24 (2017): 7821–32. http://dx.doi.org/10.1039/c7dt01116d.

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A highly stable chiral Ni(salen)-based MOF material possessing a 1D open channel can efficiently catalyze the cycloaddition of simulated industrial CO<sub>2</sub> with epoxides, as well as the cycloaddition of epoxides with azides and alkynes under mild conditions.

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48

Zhao, Guangwu, Rong Tan, Yaoyao Zhang, Xuanfeng Luo, Chen Xing, and Donghong Yin. "Cooperative chiral salen TiIV catalysts with built-in phase-transfer capability accelerate asymmetric sulfoxidation in water." RSC Advances 6, no. 29 (2016): 24704–11. http://dx.doi.org/10.1039/c6ra01130f.

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Double chiral salen Ti<sup>IV</sup> complexes were flexibly combined into a single molecule through a PEG-based di-imidazolium IL bridge, which provided cooperative, phase transfer catalysts for efficient asymmetric sulfoxidation in water with H<sub>2</sub>O<sub>2</sub>.

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49

Huang, Jing, Xiangkai Fu, Gang Wang, Yaqin Ge, and Qiang Miao. "Retraction: A series of novel types of immobilized chiral salen Mn(iii) on different organic polymer–inorganic hybrid crystalline zinc phosphonate–phosphate act as catalysts for asymmetric epoxidation of unfunctionalized olefins." Catalysis Science & Technology 11, no. 11 (2021): 3932. http://dx.doi.org/10.1039/d1cy90049h.

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Retraction for ‘A series of novel types of immobilized chiral salen Mn(iii) on different organic polymer–inorganic hybrid crystalline zinc phosphonate–phosphate act as catalysts for asymmetric epoxidation of unfunctionalized olefins’ by Jing Huang et al., Catal. Sci. Technol., 2012, 2, 1040–1050, DOI: 10.1039/C2CY00502F.

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50

Huang, Jing, Xiangkai Fu, and Qiang Miao. "Retraction: Synthesis of a novel type of chiral salen Mn(iii) complex immobilized on crystalline zinc poly(styrene-phenylvinylphosphonate)-phosphate (ZnPS-PVPP) as effective catalysts for asymmetric epoxidation of unfunctionalized olefins." Catalysis Science & Technology 11, no. 11 (2021): 3931. http://dx.doi.org/10.1039/d1cy90048j.

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Retraction for ‘Synthesis of a novel type of chiral salen Mn(iii) complex immobilized on crystalline zinc poly(styrene-phenylvinylphosphonate)-phosphate (ZnPS-PVPP) as effective catalysts for asymmetric epoxidation of unfunctionalized olefins’ by Jing Huang et al., Catal. Sci. Technol., 2011, 1, 1472–1482, DOI: 10.1039/C1CY00285F

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