Academic literature on the topic 'Carbenes (Methylene compounds) Nitrenes'

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Journal articles on the topic "Carbenes (Methylene compounds) Nitrenes"

1

Suvorov, A. A., and M. A. Kuznetsov. "The Interaction of Carbenes and Nitrenes with Azo-compounds." Russian Chemical Reviews 56, no. 8 (1987): 756–63. http://dx.doi.org/10.1070/rc1987v056n08abeh003303.

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Wentrup, Curt, and David Kvaskoff. "1,5-(1,7)-Biradicals and Nitrenes Formed by Ring Opening of Hetarylnitrenes." Australian Journal of Chemistry 66, no. 3 (2013): 286. http://dx.doi.org/10.1071/ch12502.

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Several aromatic and heteroaromatic nitrenes and carbenes undergo photochemical and sometimes also thermal ring opening. Depending on benz-annelation, the ring-opened species may have the character of either nitrenes (for α-annelation) or 1,5-(1,7-)-biradicals (for β-annelation). Both types have been observed, and they are clearly distinguished by their characteristic electron spin resonance spectra. In addition, ring opening of hetarylnitrenes to nitrile ylides can be observed whenever there is a meta-relationship between a ring nitrogen atom and the nitrene (or carbene) centre. The factors g
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Wentrup, Curt. "Nitrogen- and Sulfur-Containing Energetic Compounds. 64 Years of Fascinating Chemistry." Australian Journal of Chemistry 72, no. 8 (2019): 585. http://dx.doi.org/10.1071/ch19263.

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This essay details the author’s work with high-energy molecules based on sulfur or nitrogen, or both, which started with amateur rocket propellants like zinc dust and sulfur followed by experiments with the highly sensitive compounds nitrogen trichloride and fulminating gold. Research on the inorganic and organic fulminates and the isomeric cyanates led to detailed investigations of reactive intermediates generated by flash vacuum pyrolysis or photolysis, in particular nitrenes and carbenes derived from azides, diazo compounds, triazoles, and tetrazoles and characterized in low temperature mat
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Mbuvi, Harun M., Erik R. Klobukowski, Gina M. Roberts, and L. Keith Woo. "O-H insertion and tandem N-H insertion/cyclization reactions using an iron porphyrin as catalyst with diazo compounds as carbene sources." Journal of Porphyrins and Phthalocyanines 14, no. 03 (2010): 284–92. http://dx.doi.org/10.1142/s1088424610001982.

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Iron(III) tetraphenylporphyrin chloride, Fe(TPP)Cl , efficiently catalyzed the insertion of carbenes derived from methyl 2-phenyldiazoacetates into O-H bonds of aliphatic and aromatic alcohols, with yields generally above 80%. Although the analogous N-H insertions are rapid at room temperature, the O-H insertion reactions are slower and required heating in refluxing methylene chloride for about 8 hours using 1.0 mol.% catalyst. Fe(TPP)Cl was also found to be effective for tandem N-H insertion/cyclization reactions when 1,2-diamines and 1,2-alcoholamines were treated with diazo reagents to give
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Moody, Christopher J. "Charles Wayne Rees CBE. 15 October 1927 — 21 September 2006." Biographical Memoirs of Fellows of the Royal Society 61 (January 2015): 351–78. http://dx.doi.org/10.1098/rsbm.2015.0023.

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Charles Rees was an eminent organic chemist. He specialized in the area of heterocyclic chemistry—the study of rings made up of carbon, nitrogen, oxygen and sulphur atoms—an important subject given that many medicines, agrochemicals, dyes and reprographic materials, as well as a very large number of naturally occurring compounds, including the DNA bases, the building blocks of life itself, are heterocyclic molecules. His scientific work was dominated by two overarching themes: reactive intermediates, in particular neutral, electron-deficient species such as carbenes, nitrenes and arynes, and u
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Kidonakis, Marios, та Manolis Stratakis. "Reduction of the Diazo Functionality of α-Diazocarbonyl Compounds into a Methylene Group by NH3BH3 or NaBH4 Catalyzed by Au Nanoparticles". Nanomaterials 11, № 1 (2021): 248. http://dx.doi.org/10.3390/nano11010248.

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Supported Au nanoparticles on TiO2 (1 mol%) are capable of catalyzing the reduction of the carbene-like diazo functionality of α-diazocarbonyl compounds into a methylene group [C=(N2) → CH2] by NH3BH3 or NaBH4 in methanol as solvent. The Au-catalyzed reduction that occurs within a few minutes at room temperature formally requires one hydride equivalent (B-H) and one proton that originates from the protic solvent. This pathway is in contrast to the Pt/CeO2-catalyzed reaction of α-diazocarbonyl compounds with NH3BH3 in methanol, which leads to the corresponding hydrazones instead. Under our stoi
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Kysilka, Ondřej, Markéta Rybáčková, Martin Skalický, Magdalena Kvíčalová, Josef Cvačka, and Jaroslav Kvíčala. "HFPO Trimer-Based Alkyl Triflate, a Novel Building Block for Fluorous Chemistry. Preparation, Reactions and 19F gCOSY Analysis." Collection of Czechoslovak Chemical Communications 73, no. 12 (2008): 1799–813. http://dx.doi.org/10.1135/cccc20081799.

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Triflate 4, CF3(CF2)2O-CF(CF3)CF2O-CF(CF3)CH2-OTf (RFOCH2OTf), of the HFPO trimer-based alcohol 3 (RFOCH2OH) is a novel highly fluorinated building block for fluorous chemistry. In analogy to similar polyfluorinated triflates with methylene spacer, its reactivity is limited to strong and soft nucleophiles. Whereas reactions with cyanide anion, phenolate anion, enolate of diethyl malonate or lithium salt of benzaldehyde bis(phenylsulfanyl)acetal were unsuccessful, the corresponding imidazole 5, iodide 6 or azide 7 were prepared in good yields. Reaction of imidazole 5 with (perfluorohexyl)methyl
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8

Zoghbi, Michel, та John Warkentin. "Azetinone formation is not competitive with intermolecular reactions of a β-lactam-4-ylidene". Canadian Journal of Chemistry 70, № 11 (1992): 2792–97. http://dx.doi.org/10.1139/v92-355.

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3-Phenoxy-1-phenyl-2-azetidinon-4-ylidene (β-lactam-4-ylidene) 2a, was generated by thermolysis of a spiro-fused β-lactam oxadiazoline precursor (1). Fast 1,2-H migration, a characteristic reaction of singlet carbenes that would convert 2a to 3-phenoxy-1-phenyl-3-azetin-2-one (4a) could not be demonstrated. Added 1, 3-diphenylisobenzofuran (6) did not afford the [4 + 2] cycloadduct (7) expected from 4a but, instead, the isomeric E- and Z-4-[1-(2-benzoylphenyl)-1-phenyl]-methylene-3-phenoxy-1-phenylazetidin-2-ones (9). Those compounds can be rationalized as the products of rearrangement of firs
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SUVOROV, A. A., and M. A. KUZNETSOV. "ChemInform Abstract: Reaction of Carbenes and Nitrenes with Azo Compounds." ChemInform 18, no. 51 (1987). http://dx.doi.org/10.1002/chin.198751383.

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Dissertations / Theses on the topic "Carbenes (Methylene compounds) Nitrenes"

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Polshakov, Dmitrii Arkadyevich. "Ultrafast spectroscopy and dynamics of nitrenes and carbenes." Columbus, Ohio : Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1130968887.

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Tian, Weiwei. "Rhodium-mediated carbene insertion synthesis of (-)-hamigeran B and the (-)-sordaricin core /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 119 p, 2008. http://proquest.umi.com/pqdweb?did=1609287781&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Khani, Sarah Karbalaei. "Exploring Inorganic Catalysis with Electronic Structure Simulations." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849685/.

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Organometallic catalysis has attracted significant interest from both industry and academia due to its wide applications in organic synthetic transformations. Example of such transformations include the reaction of a zinc carbenoid with olefins to form cyclopropanes. The first project is a computational study using both density functional and correlated wavefunction methods of the reaction between ethylene and model zinc carbenoid, nitrenoid and oxenoid complexes (L-Zn-E-X, E = CH2, NH or O, L = X = I or Cl). It was shown that cyclopropanation of ethylene with IZnCH2I and aziridination of ethy
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Wang, Jin. "Ultrafast studies of reactive intermediates." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1196155202.

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Moeng, Mmushi Moses. "Terthienyl carbene complexes." Diss., Pretoria : [s.n.], 2001. http://upetd.up.ac.za/thesis/available/etd-02092006-153600/.

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6

Lu, Xiaosong. "Generation and reactions of aryloxy and diaryloxycarbenes /." *McMaster only, 2001.

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7

Frankowski, Kevin J. "Carbenes and carbenoids as powerful tools in organic synthesis." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 2.18 Mb., 94 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3205422.

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8

Merkley, Nadine. "Carbenes and radicals from benzyloxy [delta]3-1,3,4-oxadiazolines /." *McMaster only, 2001.

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Thesis (Ph.D.) -- McMaster University, 2001.<br>[Delta] in title is a Greek letter. The number 3 in title is superscript. Includes bibliographical references (leaves 147-162). Also available via World Wide Web.
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9

El-Saidi, Manal M. T. "Synthesis and thermolysis of 2,2-dioxy-5,5-dimethyl-[delta three]-1,3,4-oxadiazolines : dioxycarbenes and their reactions /." *McMaster only, 1996.

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10

Couture, Philippe. "Syntheses and reactions of aminooxycarbenes from thermolysis of [Delta3]-1,3,4-oxadiazolines /." *McMaster only, 1997.

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Books on the topic "Carbenes (Methylene compounds) Nitrenes"

1

Metal carbenes in organic synthesis. Wiley-VCH, 1999.

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2

Nefedov, O. M. Khimii͡a︡ karbenov. Khimii͡a︡, 1990.

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3

V, Kazimirchik I., Lukin K. A, and Nefedov O. M, eds. T͡S︡ikloprisoedinenie dikhlorkarbena k olefinam. "Nauka", 1985.

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4

U, Schubert, ed. Advances in metal carbene chemistry. Kluwer Academic Publishers, 1989.

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5

N-heterocyclic carbenes: From laboratory curiosities to efficient synthetic tools. Royal Society of Chemistry, 2011.

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6

Cazin, Catherine Suzanne Julienne. N-Heterocyclic Carbenes in Transition Metal Catalysis and Organocatalysis. Springer Science+Business Media B.V., 2011.

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7

G, Bertrand, ed. Carbene chemistry: From fleeting intermediates to powerful reagents. Marcel Dekker, 2002.

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8

Bertrand, Guy. Carbene Chemistry: From Fleeting Intermediates to Powerful Reagents. CRC, 2002.

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9

Dötz, K. H. Metal Carbenes in Organic Synthesis. Springer, 2004.

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10

Nolan, Steven P. N-Heterocyclic Carbenes in Synthesis. Wiley-VCH, 2006.

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