Relevant bibliographies by topics / Helical Metal Salen Complexes

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Helical Metal Salen Complexes'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Helical Metal Salen Complexes"

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Wiznycia, Alexander V., John Desper, and Christopher J. Levy. "Zinc and iron complexes of a helix-directing (1R,2R)-cyclohexyl salen ligand with phenanthryl sidearms." Canadian Journal of Chemistry 87, no. 1 (2009): 224–31. http://dx.doi.org/10.1139/v08-125.

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A symmetrical salen ligand is formed by the condensation of (1R,2R)-diaminocyclohexane with 4-hydroxy-3-phenanthrenecarboxaldehyde. Crystallographic characterization of the metal complexes (ZnII, FeII, and FeIII) show 1:1 mixtures of diastereomeric M and P helical molecules. ECD spectra of the ZnII complex combined with DFT simulations strongly suggest that the M conformation is dominant in solution. This is supported by 1H and 13C NMR data, which are consistent with a single species in solution.Key words: zinc, iron, ECD, DFT, salen complexes.
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Akine, Shigehisa. "Dynamic Helicity Control of Oligo(salamo)-Based Metal Helicates." Inorganics 6, no. 3 (2018): 80. http://dx.doi.org/10.3390/inorganics6030080.

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Much attention has recently focused on helical structures that can change their helicity in response to external stimuli. The requirements for the invertible helical structures are a dynamic feature and well-defined structures. In this context, helical metal complexes with a labile coordination sphere have a great advantage. There are several types of dynamic helicity controls, including the responsive helicity inversion. In this review article, dynamic helical structures based on oligo(salamo) metal complexes are described as one of the possible designs. The introduction of chiral carboxylate
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Liu, Qiancai, Christian Meermann, Hans W. Görlitzer, et al. "Cationic rare-earth metal SALEN complexes." Dalton Transactions, no. 44 (2008): 6170. http://dx.doi.org/10.1039/b808781d.

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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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Koyama, Kyohei, Kodai Iijima, Dongho Yoo, and Takehiko Mori. "Transistor properties of salen-type metal complexes." RSC Advances 10, no. 49 (2020): 29603–9. http://dx.doi.org/10.1039/d0ra05449f.

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H. Ali, Safaa, Hassan M. A. Al-Redha, and Bassam A. Sachit. "Antibacterial activity of some Salen metal complexes." IOP Conference Series: Materials Science and Engineering 928 (November 19, 2020): 052016. http://dx.doi.org/10.1088/1757-899x/928/5/052016.

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Leoni, Luca, and Antonella Dalla Cort. "The Supramolecular Attitude of Metal–Salophen and Metal–Salen Complexes." Inorganics 6, no. 2 (2018): 42. http://dx.doi.org/10.3390/inorganics6020042.

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Mihan, Francesco Yafteh, Silvia Bartocci, Michele Bruschini, et al. "Ion-Pair Recognition by Metal - Salophen and Metal - Salen Complexes." Australian Journal of Chemistry 65, no. 12 (2012): 1638. http://dx.doi.org/10.1071/ch12353.

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The development of heteroditopic receptor systems that can simultaneously bind cationic and anionic species is one of the most challenging research topics in supramolecular chemistry, attracting the attention of a large number of research groups worldwide. Such an interest is due especially to the fact that the overall receptor–ion-pair complex is neutral and this can be advantageous in many situations, such as salt solubilization and extraction, and membrane-transport applications. Receptors designed for ion-pair complexation are molecules comprising well-known anion-binding motifs and famili
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Barman, Sanmitra, Smita Patil, John Desper, Christine M. Aikens, and Christopher J. Levy. "Helical Oxidovanadium(IV) Salen-Type Complexes: Synthesis, Characterisation and Catalytic Behaviour." European Journal of Inorganic Chemistry 2013, no. 33 (2013): 5708–17. http://dx.doi.org/10.1002/ejic.201300635.

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Lima, L. F., M. L. Corraza, L. Cardozo-Filho, H. Márquez-Alvarez, and O. A. C. Antunes. "Oxidation of limonene catalyzed by Metal(Salen) complexes." Brazilian Journal of Chemical Engineering 23, no. 1 (2006): 83–92. http://dx.doi.org/10.1590/s0104-66322006000100009.

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Dissertations / Theses on the topic "Helical Metal Salen Complexes"

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Barman, Sanmitra. "Helical transition metal complexes as catalysts for asymmetric sulfoxidations and aldol addition reactions." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/7015.

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Doctor of Philosophy<br>Department of Chemistry<br>Christopher J. Levy<br>Stepped helical salen complexes with vanadium as the central metal were synthesized and characterized. The helicity in these complexes arise from the fused phenyl rings (phenanthryl and benz[a]anthryl) as sidearms, whereas the chirality arises from the chiral cyclohexyl diamine or binaphthyl diamine backbones. These complexes showed good yields and moderate enantioselectivity in asymmetric sulfoxidation reactions with methylphenyl sulfide as the substrate and H2O2 or cumene hydroperoxide as the oxidants. To further impro
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Zieleniuk, Candace A. "Anion binding and catalytic studies of metal salen complexes." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024865.

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Horn, Caitlin Janet. "The supramolecular chemistry of helical metal complexes." Thesis, University of Nottingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.416421.

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Williamson, Courtney Meghann. "Asymmetric catalysis of cyanide addition reactions using metal(salen) complexes." Thesis, University of Newcastle Upon Tyne, 2011. http://hdl.handle.net/10443/1168.

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Chiral cyanohydrins and α-aminonitriles are versatile intermediates and are of great importance to the pharmaceutical industry due to the ability to convert them into useful chemicals via simple chemical transformations. Chiral cyanohydrins and α-aminonitriles can be obtained from asymmetric cyanohydrin synthesis and asymmetric Strecker reactions respectively. In this project, bimetallic aluminium(salen) complex 1 was studied extensively and was shown to be very active in cyanohydrin synthesis using trimethylsilylcyanide (TMSCN), giving the cyanohydrin trimethylsilyl ether derived from benzald
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Achard, Thierry R. J. "Asymmetric catalysis of enolate reactions induced by metal(salen) complexes." Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427192.

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Patil, Smita S. "The preparation and use of metal salen complexes derived from cyclobutane diamine." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/18670.

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Doctor of Philosophy<br>Department of Chemistry<br>Christopher J. Levy<br>The helix is an important chiral motif in nature, there is increasing development in field of helical transition metal complexes and related supramolecular structures. Hence, the goals of this work are to apply the principles of helicity in order to produce metal complexes with predictable molecular shapes and to study their properties as asymmetric catalysts. Computational studies suggest that the (1R,2R)-cyclobutyldiamine unit can produce highly twisted salen complexes with a large energy barrier between the M and P h
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Niederer-Bátorfi, Melinda [Verfasser]. "Enantioselective ring opening reactions catalysed by heterogenized metal salen complexes / Melinda Niederer-Bátorfi." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1019762705/34.

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Hunt, Jamie. "C1- and C2- Symmetrical Metal-Salen Complexes and their Application to Asymmetric Catalysis." Thesis, University of Newcastle Upon Tyne, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515075.

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Dyers, Leon Jr. "Development of salen metal complexes for the potential catalytic use in asymmetric reaction." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2005. http://digitalcommons.auctr.edu/dissertations/2359.

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This research effort is focused on the development of new transition-metal salencomplexes bearing bulky t-pentyl groups to further understand their role in the directing of substrates to the reactive metal centers. These new chiral and achiral transition-metal salen complexes also possess the ability to be novel asymmetrical catalysts. A series ofsalen ligands were prepared by the condensation of 3,5-di-t-pentyl salicylaldehyde with five different diamines: (1) 1,3-diamino-propan-2-01, (2) benzene-l,2-diamine, (3) ethylene-l,2-diamine, (4) (S,S)-1,2-diamino-l,2-diphenylethane, and (5) 1,2- dia
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Pop, Mihaela Diana. "Symmetrical and asymmetrical Salen-type Schiff-base ligands and their transition metal complexes." Thesis, University College London (University of London), 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408061.

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Books on the topic "Helical Metal Salen Complexes"

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Beynek, N. Metal-ion control in the template synthesis of helical complexes. UMIST, 1997.

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Book chapters on the topic "Helical Metal Salen Complexes"

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Elias, Horst, Frank Stock, Waldemar Adam, Catherine Mitchell, Margareta Neuburger, and Markus Neuburger. "Salen-type Oxo Vanadium Complexes as Catalysts for Sulfoxidation and Epoxidation Reactions with Hydroperoxides." In Selective Reactions of Metal-Activated Molecules. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-00975-8_38.

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Peters, Dennis G., Kent S. Alleman, and Michael J. Samide. "Catalytic Reduction of Halogenated Organic Compounds with Electrogenerated Metal(I) Salen Complexes." In Novel Trends in Electroorganic Synthesis. Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-65924-2_113.

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Darensbourg, Donald J. "Salen Metal Complexes as Catalysts for the Synthesis of Polycarbonates from Cyclic Ethers and Carbon Dioxide." In Synthetic Biodegradable Polymers. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/12_2011_135.

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Freire, Felix, José Manuel Seco, Emilio Quiñoá, and Ricardo Riguera. "Helical Polymer–Metal Complexes: The Role of Metal Ions on the Helicity and the Supramolecular Architecture of Poly(phenylacetylene)s." In Hierarchical Macromolecular Structures: 60 Years after the Staudinger Nobel Prize II. Springer International Publishing, 2013. http://dx.doi.org/10.1007/12_2013_260.

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Shimazaki, Yuichi. "Oxidation Chemistry of Metal(II) Salen-Type Complexes." In Electrochemistry. InTech, 2013. http://dx.doi.org/10.5772/48372.

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Katsuki, T. "Enantioselective Epoxidation Using Metal–Salen/Salalen/Salan Complexes as Catalyst." In Water in Organic Synthesis. Georg Thieme Verlag KG, 2012. http://dx.doi.org/10.1055/sos-sd-206-00058.

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Conference papers on the topic "Helical Metal Salen Complexes"

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Romero, María J., Sandra Fernández-Fariña, Luis M. González-Barcia, Rosa Pedrido, Ana M. González-Noya, and Marcelino Maneiro. "Synthesis of two asymmetric half-salen imine-type ligands as precursors of polynuclear metal complexes." In The 21st International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2017. http://dx.doi.org/10.3390/ecsoc-21-04752.

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