Relevant bibliographies by topics / Acyl ligand reactions

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Academic literature on the topic 'Acyl ligand reactions'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Acyl ligand reactions"

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Jeong, Hye Jin, Suyeon Chae, Keunhong Jeong, and Sung Keon Namgoong. "Diverse One-Pot Electrophilic Trapping Reactions of 2-Quinolyl­zincates with Acyl Chlorides and Allyl Iodide." Synthesis 52, no. 03 (November 21, 2019): 378–92. http://dx.doi.org/10.1055/s-0039-1690036.

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The tandem acylation reactions of 2-quinolylzincates under one-pot reaction conditions facilitated the formation of biologically active (Z)-3-alkylidenephthalides and multifunctionalized quinoline derivatives at specific positions. The reactions of these zincates with allyl iodide produced three different types of temperature- and alkyl-ligand-dependent C-2 homologated quinolines. The reaction mechanisms for the formation of the presented products from 2-quinolylzincates are also proposed in detail.
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Gondolova, Gulnar H. "SYNTHESIS AND STUDY OF Zn COMPLEXES WITH N'-ACYL-SALICYLHYDRAZIDES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no. 9 (August 30, 2019): 27–32. http://dx.doi.org/10.6060/ivkkt.20196209.5902.

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Zn complexes with potentially tridentate (carbonyl and hydroxyl oxygen atoms of the salicylic fragment and nitrogen atom of the amide group) were synthesized by the ligand N'-phthalimido-salicylamide (H2L) and potentially heptadentate (carbonyl and hydroxyl oxygen atoms of the salicylic fragment, two nitrogen atoms of the hydrazide moiety and two oxygen atoms of the carbonyl and carboxyl groups of the maleic fragment) with the ligand N'-maleoal-salicylhydrazide (H4L) with 78% and 86% yield, respectively. The structural features of the N'-phthalimido-salicylamide (H2L) and N'-maleoyl-salicylhydrazide (H4L) obtained were established by IR and 1H and 13C NMR spectroscopy. In the 1H NMR spectra, signals from proton-containing groups are detected in the expected region. Also the structure of the ligands confirms 13C NMR spectroscopy. The yield of ligands is 92% and 95%, respectively. It was found that both ligands, in the conducted synthesis reactions, behave as bidentate, are in the enol form. Ligand-N- (salicylamide) -phthalimide is coordinated with zinc ion through the oxygen atoms of the phenol and nitrogen amide groups. The N’-maleoyl-salicylhydrazide ligand is coordinated with the zinc ion through the oxygen atoms of the salicylic residue and the nitrogen atom of the amide group of the maleic residue. The structures of synthesized Zn coordination compounds with H2L and H4L have been studied by IR and electronic absorption spectrometry, elemental analysis and thermogravimetry. These analyzes helped to establish that the metal ion in complex compounds is bound to two water molecules by a hydrogen bond and forms a distorted octahedral geometry. Coordination with water molecules is also confirmed by the TG curves, in which the first and second stages of weight loss are attributed to the removal of solvent molecules — coordinated water molecules and DMF.
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García-Ramírez, Verónica G., Abel Suarez-Castro, Ma Guadalupe Villa-Lopez, Erik Díaz-Cervantes, Luis Chacón-García, and Carlos J. Cortes-García. "Synthesis of Novel Acylhydrazone-Oxazole Hybrids and Docking Studies of SARS-CoV-2 Main Protease." Chemistry Proceedings 3, no. 1 (November 14, 2020): 1. http://dx.doi.org/10.3390/ecsoc-24-08329.

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A novel synthetic strategy to obtain acylhydrazone-oxazole hybrids in three-step reactions in moderate to good yields is reported. The key step reaction consists in a Van Leusen reaction using a bifunctional component of both an aldehyde and a functional group. The target molecules were evaluated via in-silico by molecular docking with the main protease enzyme of SARS-Cov-2, where two acyl hydralazine-oxazoles yielded good predicted free energy values in comparison to the co-crystalized ligand.
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Wang, Aohan, Masanori Toyofuku, Nobuhiko Nomura, and Hiromasa Goto. "Quorum Sensing Materials as New Ligand for Palladium Catalyzed Migita-Kosugi-Stille Polycondensation." International Letters of Chemistry, Physics and Astronomy 32 (April 2014): 62–70. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.32.62.

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Signal molecules for quorum sensing are employed for ligands to palladium. The complex canbe used as a catalyst. Migita-Kosugi-Stille coupling reactions are driven by using a series of N-(3-oxo-acyl)-L-homoserine lactones as ligands coordinating with Pd. Catalysis of [Pd-(signal moleculesfor quorum sensing), or Pd/QS] allows production of conjugated polymers with light-emittingfunctions.
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Asawa, Yasunobu, Aleksandra V. Arsent’eva, Sergey A. Anufriev, Alexei A. Anisimov, Kyrill Yu Suponitsky, Oleg A. Filippov, Hiroyuki Nakamura, and Igor B. Sivaev. "Synthesis of Bis(Carboranyl)amides 1,1′-μ-(CH2NH(O)C(CH2)n-1,2-C2B10H11)2 (n = 0, 1) and Attempt of Synthesis of Gadolinium Bis(Dicarbollide)." Molecules 26, no. 5 (March 2, 2021): 1321. http://dx.doi.org/10.3390/molecules26051321.

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Bis(carboranyl)amides 1,1′-μ-(CH2NH(O)C(CH2)n-1,2-C2B10H11)2 (n = 0, 1) were prepared by the reactions of the corresponding carboranyl acyl chlorides with ethylenediamine. Crystal molecular structure of 1,1′-μ-(CH2NH(O)C-1,2-C2B10H11)2 was determined by single crystal X-ray diffraction. Treatment of bis(carboranyl)amides 1,1′-μ-(CH2NH(O)C(CH2)n-1,2-C2B10H11)2 with ammonium or cesium fluoride results in partial deboronation of the ortho-carborane cages to the nido-carborane ones with formation of [7,7′(8′)-μ-(CH2NH(O)C(CH2)n-7,8-C2B9H11)2]2−. The attempted reaction of [7,7′(8′)-μ-(CH2NH(O)CCH2-7,8-C2B9H11)2]2− with GdCl3 in 1,2-dimethoxy- ethane did not give the expected metallacarborane. The stability of different conformations of Gd-containing metallacarboranes has been estimated by quantum-chemical calculations using [3,3-μ-DME-3,3′-Gd(1,2-C2B9H11)2]− as a model. It was found that in the most stable conformation the CH groups of the dicarbollide ligands are in anti,anti-orientation with respect to the DME ligand, while any rotation of the dicarbollide ligand reduces the stability of the system. This makes it possible to rationalize the design of carborane ligands for the synthesis of gadolinium metallacarboranes on their base.
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Soupene, Eric, and Frans A. Kuypers. "Ligand binding to the ACBD6 protein regulates the acyl-CoA transferase reactions in membranes." Journal of Lipid Research 56, no. 10 (August 19, 2015): 1961–71. http://dx.doi.org/10.1194/jlr.m061937.

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Stȩpowska, Halszka, and Aleksander Zamojski. "Alkylation and aldol reactions of acyl and phosphine ligand in (η5-C5H5)Fe(CO)(CH3PPh2)(COCH2R)." Journal of Organometallic Chemistry 456, no. 2 (September 1993): 221–28. http://dx.doi.org/10.1016/0022-328x(93)80429-f.

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Guo, Zhong-Wu, and Aleksander Zamojski. "Base-dependent stereoselectivity in reactions of acyl ligand in phenylacetyliron complex (η5-C5H5)Fe(CO)(PPh3)(COCH2Ph)." Tetrahedron Letters 33, no. 8 (February 1992): 1105–8. http://dx.doi.org/10.1016/s0040-4039(00)91872-0.

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Fischer, Ernst Otto, Christos Apostolidis, Ernst Dornberger, Alexander C. Filippou, Basil Kanellakopulos, Bernhard Lungwitz, Jakob Müller, Bernhard Powietzka, Jean Rebizant, and Werner Roth. "Carben- und Carbin-Komplexe des Technetiums und Rheniums - Synthese, Struktur und Reaktionen / Carbene and Carbyne Complexes of Technetium and Rhenium - Synthesis, Structure and Reactions." Zeitschrift für Naturforschung B 50, no. 9 (September 1, 1995): 1382–95. http://dx.doi.org/10.1515/znb-1995-0916.

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AbstractSynthesis, structure and reactions of technetium and rhenium complexes bearing metal-carbon multiple bonds are reported. Addition of LiPh to Cp*M (CO)3 (1a : M = Tc; 1b: M = Re) (Cp* = η5-C5Me5) in Et2O yields the acyl complexes Li[Cp*(CO)2MC(O)Ph]·Et2O (2a: M = Tc; 2 b: M = Re). These are converted with Et3OBF4 into the carbene complexes Cp*(CO)2M = C(OEt)Ph (3a, 3b). Reaction of 3a and 3 b with BCl3 affords the carbyne complexes [Cp*(CO)2M ≡ CPh]BCl4 (4a, 4b) in high yield. The acyl complex 2b can be directly converted into the carbyne complex [Cp*(CO)2Re ≡ CPh]Br (5b), when it is treated with oxalyl bromide. Nucleophiles add at the carbynecarbon atoms of 4a and 4b, as demonstrated by the reaction with NaOCy (Cy = cyclohexyl) to afford the carbene complexes Cp*(CO)2M = C(OCy)Ph (6a, 6b). Similarly, reaction of P(OMe)3 with [Cp*(CO)2Re ≡ CPh]Cl (5b'), the latter being generated in situ from 2b and oxalyl chloride, gives the ylide complex {Cp*(CO)2Re = C[P(OMe)3]Ph}Cl (7b'). In comparison, addition of P(OMe)3 to [Cp*(CO)2Tc ≡ CPh]Cl (5a'), generated in situ from 2a and oxalyl chloride, induces a carbvne-carbonvl coupling reaction resulting in the formation of the ketenyl complex . Thermolysis of the compounds 2a, 2b, 4a, 4b and 7b' has been studied in vacuo and the products of decomposition identified by IR spectroscopy. The solid-state structure of the carbene complexes 3 a and 3 b was determined by single crystal X-ray diffraction studies. Both compounds crystallize in the monoclinic space group P21/n with very similar unit cell data. Striking feature of the isostructural carbene complexes is the nearly perpendicular orientation of the carbene ligand relative to the Cp* ring.
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Peterson, Francis C., Dawei Chen, Betsy L. Lytle, Marianna N. Rossi, Ivan Ahel, John M. Denu, and Brian F. Volkman. "Orphan Macrodomain Protein (Human C6orf130) Is an O-Acyl-ADP-ribose Deacylase." Journal of Biological Chemistry 286, no. 41 (August 17, 2011): 35955–65. http://dx.doi.org/10.1074/jbc.m111.276238.

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Post-translational modification of proteins/histones by lysine acylation has profound effects on the physiological function of modified proteins. Deacylation by NAD+-dependent sirtuin reactions yields as a product O-acyl-ADP-ribose, which has been implicated as a signaling molecule in modulating cellular processes. Macrodomain-containing proteins are reported to bind NAD+-derived metabolites. Here, we describe the structure and function of an orphan macrodomain protein, human C6orf130. This unique 17-kDa protein is a stand-alone macrodomain protein that occupies a distinct branch in the phylogenic tree. We demonstrate that C6orf130 catalyzes the efficient deacylation of O-acetyl-ADP-ribose, O-propionyl-ADP-ribose, and O-butyryl-ADP-ribose to produce ADP-ribose (ADPr) and acetate, propionate, and butyrate, respectively. Using NMR spectroscopy, we solved the structure of C6orf130 in the presence and absence of ADPr. The structures showed a canonical fold with a deep ligand (ADPr)-binding cleft. Structural comparisons of apo-C6orf130 and the ADPr-C6orf130 complex revealed fluctuations of the β5-α4 loop that covers the bound ADPr, suggesting that the β5-α4 loop functions as a gate to sequester substrate and offer flexibility to accommodate alternative substrates. The ADPr-C6orf130 complex identified amino acid residues involved in substrate binding and suggested residues that function in catalysis. Site-specific mutagenesis and steady-state kinetic analyses revealed two critical catalytic residues, Ser-35 and Asp-125. We propose a catalytic mechanism for deacylation of O-acyl-ADP-ribose by C6orf130 and discuss the biological implications in the context of reversible protein acylation at lysine residues.
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Dissertations / Theses on the topic "Acyl ligand reactions"

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Easton, R. J. C. "Stereoselective synthesis via iron acyl complexes." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379991.

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Reis, Barbaros. "Addition Of Acyl Phosphonates To Ethylcyanoformate." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12609090/index.pdf.

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Functionalized cyanophosphates are important starting materials for the synthesis of beta-lactam ring moiety of beta-lactam antibiotics. The cyanophosphates are synthesized starting from easily available acylphosphonate and ethylcyanoformate. Acylphosphonates are synthesized starting from acylchloride and trimethylphosphite. Addition of acylphoshonate to ethylcyanoformate furnishes the cyanophosphate with the quaternary center.
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GOMES, DE LIMA LUIS CARLOS. "Reactions d'alcynes cyanes (monocyanoacethylene et dicyanoacethylene), vis-a-vis de complexes organometalliques du fer, du cobalt, du molybdene et du tungstene." Brest, 1986. http://www.theses.fr/1986BRES2009.

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Etude de la reactivite de complexes thiolates du fer et du tungstene (cp(co)::(n) m(sch::(3))) vis a vis du mono et du dicyanoacetylene. Aptitude des complexes de co(i) a intervenir dans la formation de molecules organiques. Nature des liaisons m-pb(m=mo ou w) dans les complexes cp(co)::(3)m-pbr::(3) et (cp(co)::(3)m)::(2) pbr::(2). Donnes de rmn de **(95)mo et **(207)pb
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Metabanzoulou, Jean-Pierre. "Mecanisme de la complexation de l'ion uo : :(2)**(2+) par des di(acyl-4 pyrazolones-5), des ethers-couronnes, des diazapolyoxamacrocycles et des ligands apparentes." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13146.

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Etude spectrophotometrique de la stabilite des complexes de l'ion uo::(2)**(2+) et de l'ion cu**(2+), dans l'eau et eau-acetonitrile. Structures possibles des complexes 1:1, 1:2 et 2:1. Mecanismes de formation des complexes
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Marouani-Keraghel, Saïda. "Reduction electrochimique de composes d'uranyle en milieu organique." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13175.

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Etude de la reduction chimique de sels (nitrate et acetate) d'uranyle et des complexes (phenyl-1 methyl-3 acyl-4 pyrazolones-5) et beta-cetophosphonates d'uranyle en milieu organique et en presence de perchlorate d'ammonium sur une electrode de mercure
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Chuang, Tsung-Hsun, and 莊宗勳. "1.Reactions of Acyl Silanes with Samarium Diiodide 2.Synthesis and Asymmetric Reactions of C3-Symmetric Tripodal Ligands." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/21483877106447566530.

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Book chapters on the topic "Acyl ligand reactions"

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Matsuo, Kazuya, and Itaru Hamachi. "Ligand-Directed Tosyl and Acyl Imidazole Chemistry." In Chemoselective and Bioorthogonal Ligation Reactions, 147–63. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527683451.ch6.

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Taber, Douglass F. "Organic Functional Group Interconversion." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0003.

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Alois Fürstner of the Max-Planck-Institut Mülheim devised (Angew. Chem. Int. Ed. 2013, 52, 14050) a Ru catalyst for the trans- selective hydroboration of an alkyne 1 to 2. Qingbin Liu of Hebei Normal University and Chanjuan Xi of Tsinghua University coupled (Org. Lett. 2013, 15, 5174) the alkenyl zirconocene derived from 3 with an acyl azide to give the amide 4. Chulbom Lee of Seoul National University used (Angew. Chem. Int. Ed. 2013, 52, 10023) a Rh catalyst to convert a terminal alkyne 5 to the ester 6. Laura L. Anderson of the University of Illinois, Chicago devised (Org. Lett. 2013, 15, 4830) a protocol for the conversion of a ter­minal alkyne 7 to the α-amino aldehyde 9. Dewen Dong of the Changchun Institute of Applied Chemistry developed (J. Org. Chem. 2013, 78, 11956) conditions for the monohydrolysis of a bis nitrile 10 to the monoamide 11. Aiwen Lei of Wuhan University optimized (Chem. Commun. 2013, 49, 7923) a Ni catalyst for the conversion of the alkene 12 to the enamide 13. Kazushi Mashima of Osaka University optimized (Adv. Synth. Catal. 2013, 355, 3391) a boronic ester catalyst for the conversion of an amide 14 to the ester 15. Jean- François Paquin of the Université Laval prepared (Eur. J. Org. Chem. 2013, 4325) the amide 17 by coupling an amine with the activated intermediate from reaction of an acid 16 with Xtal- Fluor E. Steven Fletcher of the University of Maryland School of Pharmacy designed (Tetrahedron Lett. 2013, 54, 4624) the azodicarbonyl dimorpholide 18 as a reagent for the Mitsunobu coupling of 19 with 20. The reduced form of 18 was readily separated by extraction into water and reoxidized. Jens Deutsch of the Universität Rostock found (Chem. Eur. J. 2013, 19, 17702) simple ligands for the Ru-mediated borrowed hydro­gen conversion of an alcohol 22 to the amine 23. Ronald T. Raines of the University of Wisconsin devised (J. Am. Chem. Soc. 2013, 135, 14936) a phosphinoester for the efficient conversion in water of an azide 24 to the diazo 25.
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