Academic literature on the topic 'Acyloins'
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Journal articles on the topic "Acyloins"
Patrzałek, Michał, Aleksandra Zasada, Anna Kajetanowicz, and Karol Grela. "Tandem Olefin Metathesis/α-Ketohydroxylation Revisited." Catalysts 11, no. 6 (June 9, 2021): 719. http://dx.doi.org/10.3390/catal11060719.
Full textGill, M., MJ Kiefel, DA Lally, and A. Ten. "Pigments of Fungi. XV. An Efficient, Unambiguous Route to Unsymmetrically Substituted Dibenzyl Acyloins and Their Use in the Synthesis of Fungus Pigments of the Pulvinone and Grevillin Types." Australian Journal of Chemistry 43, no. 9 (1990): 1497. http://dx.doi.org/10.1071/ch9901497.
Full textNeuser, Frauke, Holger Zorn, and Ralf G. Berger. "Formation of Aliphatic and Aromatic α-Hydroxy Ketones by Zygosaccharomyces bisporus." Zeitschrift für Naturforschung C 55, no. 7-8 (August 1, 2000): 560–68. http://dx.doi.org/10.1515/znc-2000-7-814.
Full textMarples, Brian A., and Christopher D. Spilling. "Ene reactions of unsaturated acyloins." Tetrahedron Letters 26, no. 52 (January 1985): 6515–18. http://dx.doi.org/10.1016/s0040-4039(00)99041-5.
Full textMontgomery, J. A., M. Jetté, S. Huot, and C. Des Rosiers. "Acyloin production from aldehydes in the perfused rat heart: the potential role of pyruvate dehydrogenase." Biochemical Journal 294, no. 3 (September 15, 1993): 727–33. http://dx.doi.org/10.1042/bj2940727.
Full textSuárez, Anisley, Fernando Martínez, and Roberto Sanz. "Synthesis of α-functionalized α-indol-3-yl carbonyls through direct SN reactions of indol-3-yl α-acyloins." Organic & Biomolecular Chemistry 14, no. 47 (2016): 11212–19. http://dx.doi.org/10.1039/c6ob02125e.
Full textLiang, Deqiang, Xiangguang Li, Yanni Li, Yungang Yang, Shulin Gao, and Ping Cheng. "Br2-Catalyzed regioselective dehydrative coupling of indoles with acyloins: direct synthesis of α-(3-indolyl) ketones." RSC Advances 6, no. 35 (2016): 29020–25. http://dx.doi.org/10.1039/c6ra03321k.
Full textFirouzabadi, Habib, Babak Karimi, and Mohammad Abbassi. "Efficient Solvent-free Oxidation of Benzylic and Aromatic Allylic Alcohols and Biaryl Acyloins by Manganese Dioxide and Barium Manganate." Journal of Chemical Research 23, no. 3 (March 1999): 236–37. http://dx.doi.org/10.1177/174751989902300333.
Full textÖdman, Peter, Ludger A. Wessjohann, and Uwe T. Bornscheuer. "Chemoenzymatic Dynamic Kinetic Resolution of Acyloins." Journal of Organic Chemistry 70, no. 23 (November 2005): 9551–55. http://dx.doi.org/10.1021/jo051661n.
Full textOstrowski, Karoline A., Thiemo A. Faßbach, and Andreas J. Vorholt. "Tandem Hydroformylation/Acyloin Reaction - The Synergy of Metal Catalysis and Organocatalysis Yielding Acyloins Directly from Olefins." Advanced Synthesis & Catalysis 357, no. 7 (April 23, 2015): 1374–80. http://dx.doi.org/10.1002/adsc.201401031.
Full textDissertations / Theses on the topic "Acyloins"
Simsek, Ilke. "Benzaldehyde Lyase Catalyzed Synthesis Of Novel Acyloins." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610901/index.pdf.
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-Hydroxy phosphonates are versatile building blocks for the synthesis of many biologically active compounds that display antiviral, antibacterial, anticancer, pesticide activities beside their enzyme inhibitory activities such as they are the inhibitors of rennin or human immunodeficiency virus (HIV) protease and polymerase. Benzaldehyde lyase is able to catalyze not only C-C bond formation reactions but also C-C bond breaking reactions with high enantioselectivity that brings about the development of new synthetic methodologies for the synthesis of hydroxy ketones which are the key intermediates in the synthesis of many biologically active compounds due to the versatility of stereogenic center for developing structural diversity. There are several synthetic methodologies for the synthesis of hydroxy phoshonates however, in this work we have achieved the synthesis of hydroxy phoshonates through C-C bond forming reactions catalyzed by Benzaldehyde lyase that offers the use of green methodologies. Moreover, we have achieved the synthesis of hydroxy ketones which are versatile building blocks in the synthesis of many biologically active compounds via the immobilization of BAL enzyme on superparamagnetic solid support with high yield and high enantioselectivity.
Spilling, Christopher D. "The intramolecular ene reactions of some unsaturated acyloins." Thesis, Loughborough University, 1986. https://dspace.lboro.ac.uk/2134/25592.
Full textRichter, Ulla. "Aminosäuren und aromatische Acyloine bei Wildhefen und Saccharomyces cerevisiae." [S.l. : s.n.], 1998. http://deposit.ddb.de/cgi-bin/dokserv?idn=954307038.
Full textJahanshahi, Esfahani Ali. "Synthesis of oxygen containing functionalities : use of the acyloin and metathesis reaction in organic chemistry." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.559765.
Full textRössle, Michael. "Cer-katalysierte Oxidationsreaktionen von [beta]-Dicarbonylverbindungen [Beta-Dicarbonylverbindungen]." Berlin mbv, 2008. http://d-nb.info/991428382/04.
Full textSopaci, Saziye Betul. "Microorganism Mediated Stereoselective Bio-oxidation And Bio-hydrogenation Reactions And Thiamine Pyrophosphate Dependent Enzyme Catalyzed Enantioselective Acyloin Reactions." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610516/index.pdf.
Full text90% yield) confirming the suggested mechanism of oxidation-reduction sequence of hydrobenzoin. Wieland-Miescher ketone (3,4,8,8a-tetrahydro-8a-methylnaphthalene-1,6(2H,7H)-dione) is an important starting material for bioactive compounds like steroids and terpenoids. Many synthetic approaches include enantioselective reduction of this compound. In this study Aspergillus niger (MAM 200909) mediated reduction of Wieland-Miescher ketone was achieved with a high yield (80%), de (79%) and ee (94%) value and these results were found much more superior than previously reported studies. Carboligating enzymes benzaldehyde lyase (BAL) (EC 4.1.2.38) and benzoiyl formate decarboxilase (BFD) (E.C. 4.1.1.7) are used for biocatalytic acyloin synthesis. These enzymes are immobilized to surface modified superparamagnetic silica coated nanoparticles by using metal ion affinity technique. With this system recombinant histidine tagged BAL and BFD purified and immobilized to magnetic particles by one-pot purification-immobilization procedure. SDS page analysis showed that our surface modified magnetic particles were eligible for specific binding of histidine tagged proteins. Conventional BAL and BFD catalyzed benzoin condenzation reactions and some representative acyloin reactions were performed with this system with a high enantioselectivity (99-92%) and yield. Results obtained with magnetic particle-enzyme system were also found comparable with that of free enzyme catalyzed reactions.
Bornemann, Stephen. "Studies on pyruvate decarboxylase-catalysed acyloin formation and the effects of surfactants on lipase-catalysed hydrolysis of esters." Thesis, University of Warwick, 1992. http://wrap.warwick.ac.uk/110304/.
Full textKarkour, Belkacem. "Les cyclopropanols chiraux et leur potentialité synthétique." Paris 11, 1987. http://www.theses.fr/1987PA112378.
Full textThe aim of this thesis is the preparation and study of the synthetic potential of chiral cyclopropanols. The 1-hydroxy 2-methyl cyclopropanecarboxaldehyde available from 2-methylsuccinate, is used to prepare 1-(vinylcarbinol} cyclopropanols which, undergo acid induced C3 C4 regiospecific ring expansion into 2-vinyl cyclobutanones (BF3-Et20) or C3 -+ C4 --+- C5 ring expansion into cyclopenten-2- ones (CH3S03H-P205). The thermal rearrangement of 2-methyl vinylcyclopropanes leads by an ene-reaction to ring-opened products ; therefore the limitation of the thermal vinylcyclopropane-cyclopentene ring enlargement is removed by this new approach. (R)(+) and (S)(-). Dimethyl 2-methylsuccinates, now available from enantiose lective hydrolysis by porcine pancreatic lipase, undergo acyloin type cyclization into (R) and (S) 3-methyl-1,2-disiloxycyclobutene, respectively. Base-induced stereoselective C4 C3 ring contraction of these cyclobutenes provides 1-hydroxycyclopropanecarboxaldehydes which are used to prepare optically active 1-alkenylcyclopropanols. Then, acid-induced regio- and stereospecific C3---+ C4 ring enlargement leads to 2-vinylcyclobutanones with high enantiomeric excesses. These compounds are used to synthetize (S) 5-methyl cyclohexen-2-one and abutenolide ; i. E. The quercus lactone b2-Vinylcyclobutanones are efficient precursors of 5-, 6- and 8-membered rings. Therefore, this new methodology, which does not involve cyclopropylcarbiny1 cations as proven by the stereospecificity of the rearrangements, allows one to prepare from chiral succinates natural compounds bearing different frameworks
Richter, Ulla [Verfasser]. "Aminosäuren und aromatische Acyloine bei Wildhefen und Saccharomyces cerevisiae / von Ulla Richter." 1998. http://d-nb.info/954307038/34.
Full textBooks on the topic "Acyloins"
Bornemann, Stephen. Studies on pyruvate decarboxylase-catalysed acyloin formation and the effects of surfactants on lipase-catalysedhydrolysis of esters. [s.l.]: typescript, 1992.
Find full textSpilling, C. D. The intramolecular ene reactions of some unsaturated acyloins. 1986.
Find full textBook chapters on the topic "Acyloins"
Laue, Thomas, and Andreas Plagens. "Acyloin-Kondensation." In Teubner Studienbücher Chemie, 3–5. Wiesbaden: Vieweg+Teubner Verlag, 1994. http://dx.doi.org/10.1007/978-3-322-94726-0_2.
Full textLaue, Thomas, and Andreas Plagens. "Acyloin-Kondensation." In Teubner Studienbücher Chemie, 3–5. Wiesbaden: Vieweg+Teubner Verlag, 1998. http://dx.doi.org/10.1007/978-3-322-94077-3_2.
Full textLaue, Thomas, and Andreas Plagens. "Acyloin-Kondensation." In Teubner Studienbücher Chemie, 3–5. Wiesbaden: Vieweg+Teubner Verlag, 1994. http://dx.doi.org/10.1007/978-3-322-94015-5_2.
Full textPohl, Martina, Carola Dresen, Maryam Beigi, and Michael Müller. "Acyloin and Benzoin Condensations." In Enzyme Catalysis in Organic Synthesis, 919–45. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527639861.ch22.
Full textWard, Owen P., Richard Wilcocks, Elizabeth Prosen, Scott Collins, Nolan J. Dewdney, and Yaping Hong. "Acyloin Formation Mediated by Benzoylformate Decarboxylases." In Microbial Reagents in Organic Synthesis, 67–75. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2444-7_6.
Full textGrimmett, M. R. "Use of Acyloins and Derivatives." In Five-Membered Hetarenes with Two Nitrogen or Phosphorus Atoms, 1. Georg Thieme Verlag KG, 2002. http://dx.doi.org/10.1055/sos-sd-012-00408.
Full text"7. Acyloin Condensation." In Organic Chemistry: 100 Must-Know Mechanisms, 26–27. De Gruyter, 2020. http://dx.doi.org/10.1515/9783110608373-007.
Full textBrettle, Roger. "Acyloin Coupling Reactions." In Comprehensive Organic Synthesis, 613–32. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-08-052349-1.00074-3.
Full textTobe, Y., and T. Takeda. "By Acyloin Condensation." In Monocyclic Arenes, Quasiarenes, and Annulenes, 1. Georg Thieme Verlag KG, 2010. http://dx.doi.org/10.1055/sos-sd-045-01389.
Full textScheidt, K. A., and E. A. O'Bryan. "3.12 Acyloin Coupling Reactions." In Comprehensive Organic Synthesis II, 621–55. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-08-097742-3.00317-7.
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