Letteratura scientifica selezionata sul tema "Homolysis"
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Articoli di riviste sul tema "Homolysis":
Zhang, Chen, Junxia Pi, Shu Chen, Ping Liu e Peipei Sun. "Construction of a 4H-pyrido[4,3,2-gh]phenanthridin-5(6H)-one skeleton via a catalyst-free radical cascade addition/cyclization using azo compounds as radical sources". Organic Chemistry Frontiers 5, n. 5 (2018): 793–96. http://dx.doi.org/10.1039/c7qo00926g.
Shin, Jeongcheol, Jiseon Lee, Jong-Min Suh e Kiyoung Park. "Ligand-field transition-induced C–S bond formation from nickelacycles". Chemical Science 12, n. 48 (2021): 15908–15. http://dx.doi.org/10.1039/d1sc05113j.
Qianzhu, Haocheng, Wenjuan Ji, Xinjian Ji, Leixia Chu, Chuchu Guo, Wei Lu, Wei Ding, Jiangtao Gao e Qi Zhang. "Reactivity of the nitrogen-centered tryptophanyl radical in the catalysis by the radical SAM enzyme NosL". Chemical Communications 53, n. 2 (2017): 344–47. http://dx.doi.org/10.1039/c6cc08869d.
Ishihara, Koji, e Thomas Wilson Swaddle. "The pressure dependence of rates of homolytic fission of metal–ligand bonds in aqueous solution". Canadian Journal of Chemistry 64, n. 11 (1 novembre 1986): 2168–70. http://dx.doi.org/10.1139/v86-356.
Yorimitsu, Hideki. "Homolytic substitution at phosphorus for C–P bond formation in organic synthesis". Beilstein Journal of Organic Chemistry 9 (28 giugno 2013): 1269–77. http://dx.doi.org/10.3762/bjoc.9.143.
Cameron, Dale R., Alison M. P. Borrajo, Gregory R. J. Thatcher e Brian M. Bennett. "Organic nitrates, thionitrates, peroxynitrites, and nitric oxide: a molecular orbital study of the (X = O, S) rearrangement, a reaction of potential biological significance". Canadian Journal of Chemistry 73, n. 10 (1 ottobre 1995): 1627–38. http://dx.doi.org/10.1139/v95-202.
Edeleva, Mariya, Gerard Audran, Sylvain Marque e Elena Bagryanskaya. "Smart Control of Nitroxide-Mediated Polymerization Initiators’ Reactivity by pH, Complexation with Metals, and Chemical Transformations". Materials 12, n. 5 (26 febbraio 2019): 688. http://dx.doi.org/10.3390/ma12050688.
Shu, Xing-Zhong, e Xiaobo Pang. "Titanium: A Unique Metal for Radical Dehydroxylative Functionalization of Alcohols". Synlett 32, n. 13 (4 marzo 2021): 1269–74. http://dx.doi.org/10.1055/a-1406-0484.
Koppenol, Willem H., e Reinhard Kissner. "Can ONOOH Undergo Homolysis?" Chemical Research in Toxicology 11, n. 2 (febbraio 1998): 87–90. http://dx.doi.org/10.1021/tx970200x.
Turrà, Natascia, Ulrich Neuenschwander e Ive Hermans. "Molecule-Induced Peroxide Homolysis". ChemPhysChem 14, n. 8 (4 aprile 2013): 1666–69. http://dx.doi.org/10.1002/cphc.201300130.
Tesi sul tema "Homolysis":
Marquess, Daniel. "Studies on the insertion-homolysis mechanism for carbon-sulphur bond formation in penicillin biosynthesis". Thesis, University of Oxford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306548.
Helling, Christoph [Verfasser], e Stephan [Akademischer Betreuer] Schulz. "Pnictogen–Carbon Bond Homolysis : an approach to the synthesis of group 13 metal-substituted pnictanyl radicals / Christoph Helling ; Betreuer: Stephan Schulz". Duisburg, 2021. http://d-nb.info/123491123X/34.
Havot, Jeffrey. "Synthèse et étude d'alcoxyamines inédites : de la théranostique à l'activation par résonnance plasmonique". Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0080.
Alkoxyamines are molecules well-known for their abilities to generate radicals from C-ON bond homolysis. This homolysis can be induced by various methods like thermally, by photocatalysis or by enzymatic activation. In addition, it is easy to modulate their chemical properties by modifying their structure. Thus we can imagine many various applications for these compounds. Here we will describe the synthesis of new alkoxyamines and investigations about their properties. These alkoxyamines have ben developed in order to acquire new knowledge about their reactivity, but also to improve their structures with respect to innovative applications like theranostic, or some new homolysis pathways like localized plasmon resonance
Robertson, Jeremy. "Ring expansion reaction via homolytic pathways". Thesis, University of Oxford, 1990. http://ora.ox.ac.uk/objects/uuid:194ca194-4848-470b-a21f-c16869257b96.
Spratley, A. "Some studies of the homolytic reactions of chlorinated benzenes". Thesis, City University London, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355587.
Norberg, Daniel. "Quantum Chemical Studies of Radical Cation Rearrangement, Radical Carbonylation, and Homolytic Substitution Reactions". Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8178.
Carré, Christiane. "Étude des réactions photoinduites de l'octahydro-1,2,3,4,6,7,8,9 phénazine en solution ou la voie des diazines vers la photo-homolyse de l'eau". Paris 11, 1985. http://www.theses.fr/1985PA112084.
Ni, Liming. "Synthesis and evaluation of new peptidyl phosphonate analogs of benzamidine, lysine and homolysine as irreversible inhibitors for thrombin and other trypsin-like enzymes". Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/27080.
Lingua, Hugo. "SH2 sur les dialkylzincs par les radicaux α-alcoxycarbonyle, carbozincations et additions radicalaires impliquant des ynamides : approches expérimentales et théoriques". Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0564.
The reactivity of ethyl α-bromoacrylate and ethyl benzylidene malonate towards dialkylzincs in aerobic medium was studied in order to evaluate the capacity of tertiary α-alcoxycarbonyl radicals to undergo SH2 at zinc leading to a zinc enolate. The use of ethyl α-bromoacrylate allowed the synthesis of cyclopropanes and keto-esters. With the second substrate, the addition of the alkyl group was shown to be reversible. The inhibitor effect of additives like TMSCl or CuCl suggested that zinc peroxydes formed in situ could play a key role in the process. Theoretical studies highlighted the crucial role of the stabilization of the zinc enolate through the formation of a 5 or 6-membered chelate. Regio- and stereoselective synthesis of tri- and tetra-substituted enamides was achieved through the carbozincation of ynamides in the presence of dialkylzincs and CuI or FeCl2 as catalyst. CuI was shown to be more efficient and less substrate-dependent than FeCl2. Molecular modelings were performed to better understand this phenomen. Finally, intermolecular addition of sulfanyl radicals onto ynamides was revisited. Theoretical calculations and experimental results showed that the regio- and stereo-selectivity of the process depended on the nature of the substituent on the carbon in β position of the nitrogen atom and on experimental conditions. Unprecedented intermolecular addition of a carbon-centered radical has been described and opened new perspectives for the synthesis of original tetrasubstituted enamides
Vallet, Anne-Laure. "Réactivités de NHC-Boranes Soufrés". Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112261.
Along with the development of green chemistry, it became necessary to avoid toxic metallic complexes in organic reactions and replace them by more sustainable compounds. An hydrogen donors for radical reactions, trialkylstannanes are still widely used. NHC-boranes seem to be good substitutes for deoxygenation reactions. However, dehalogenation reactions are less effective and polar reversal catalysis was used. This work was the starting point of this Ph.D thesis where the synthesis of new NHC-boranes bearing a B-S or B-N bound is developed. The study of the properties of these new complexes was performed and applications in organic chemistry as well as in polymer science were found. Besides, to study polar effects on the formation and on the reactivity of boryl radicals, a new family of carbene-boranes was synthesized
Libri sul tema "Homolysis":
Turovsʹkyĭ, A. A. Non-valency interaction in organic peroxides homolysis reactions. Hauppauge, N.Y: Nova Science Publishers, 2011.
(Editor), Gennadii Efremovich Zaikov, Yu B. Monakov (Editor), Alfonso Jimenez (Editor) e Iu B. Monakov (Editor), a cura di. Homolytic and Heterolytic Reactions: Problems and Solutions. Nova Science Publishers, 2004.
Williams, G. H., D. H. R. Barton e W. Doering. Homolytic Aromatic Substitution: International Series of Monographs on Organic Chemistry. Elsevier Science & Technology Books, 2014.
Capitoli di libri sul tema "Homolysis":
Cleaves, Henderson James. "Homolysis". In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_733-3.
Cleaves, Henderson James. "Homolysis". In Encyclopedia of Astrobiology, 1117. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_733.
Cleaves, Henderson James. "Homolysis". In Encyclopedia of Astrobiology, 761–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_733.
Cleaves II, Henderson James. "Homolysis". In Encyclopedia of Astrobiology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-642-27833-4_733-4.
Cleaves II, Henderson James. "Homolysis". In Encyclopedia of Astrobiology, 1343–44. Berlin, Heidelberg: Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_733.
Antal, Michael Jerry, Andrew Brittain, Carlos DeAlmeida, Sundaresh Ramayya e Jiben C. Roy. "Heterolysis and Homolysis in Supercritical Water". In ACS Symposium Series, 77–86. Was,hington, DC: American Chemical Society, 1987. http://dx.doi.org/10.1021/bk-1987-0329.ch007.
Stein, Stephen E., e Mahendra M. Suryan. "Homolysis of Substituted Anisoles: Substituent Effects on Phenoxyl Radical Stabilities". In Oxygen Radicals in Biology and Medicine, 105–14. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5568-7_15.
Fink, Richard G. "Coenzyme B12-Based Chemical Precedent for Co-C Bond Homolysis and Other Key Elementary Steps". In Vitamin B12and B12-Proteins, 383–402. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2007. http://dx.doi.org/10.1002/9783527612192.ch25.
Rossi, Roberto A., María E. Budén e Javier F. Guastavino. "Homolytic Aromatic Substitution". In Arene Chemistry, 219–42. Hoboken, NJ: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781118754887.ch9.
Halpern, J. "Homolytic Ligand Dissociation". In Inorganic Reactions and Methods, 9. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145319.ch5.
Atti di convegni sul tema "Homolysis":
Tumanov, Vladimir Evgen'vich, e Andrei Ivanovich Prokhorov. "Web database on bond dissociation energies of organic compounds". In 23rd Scientific Conference “Scientific Services & Internet – 2021”. Keldysh Institute of Applied Mathematics, 2021. http://dx.doi.org/10.20948/abrau-2021-21.
Jeremić, Svetlana R., Jelena R. Đorović Jovanović, Marijana S. Stanojević Pirković e Zoran S. Marković. "THERMODYNAMICALLY INVESTIGATIONS OF FREE RADICAL SCAVENGER POTENCY OF 1,2,4-TRIHYDROXYTHIOXANTHONE". In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.414j.
Rapporti di organizzazioni sul tema "Homolysis":
Lee, Shaoyung. Kinetic study of the reaction of ferrocenes and ferrocenium ions with ground and excited states of tris(2,2-bipyridine)chromium ions and the preparation and homolysis of organocobalt complexes. Office of Scientific and Technical Information (OSTI), gennaio 1990. http://dx.doi.org/10.2172/6835414.
Heinekey, D. M. Homolytic activation of hydrocarbons and hydrogen by persistent metal radicals. Office of Scientific and Technical Information (OSTI), gennaio 1992. http://dx.doi.org/10.2172/6716196.
Heinekey, D. M. Homolytic activation of hydrocarbons and hydrogen by persistent metal radicals. Progress report, January 1, 1992--November 1, 1992. Office of Scientific and Technical Information (OSTI), dicembre 1992. http://dx.doi.org/10.2172/10136755.
[Homolytic activation of hydrocarbons and hydrogen by persistent radicals]. Office of Scientific and Technical Information (OSTI), gennaio 1993. http://dx.doi.org/10.2172/6837370.
[Homolytic activation of hydrocarbons and hydrogen by persistent radicals]. Final report. Office of Scientific and Technical Information (OSTI), febbraio 1993. http://dx.doi.org/10.2172/10122867.