Academic literature on the topic 'Nitrenen'

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Journal articles on the topic "Nitrenen"

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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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Badiei, Yosra M., Ammani Krishnaswamy, Marie M. Melzer, and Timothy H. Warren. "Transient Terminal Cu−Nitrene Intermediates from Discrete Dicopper Nitrenes." Journal of the American Chemical Society 128, no. 47 (2006): 15056–57. http://dx.doi.org/10.1021/ja065299l.

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Chapyshev, Sergei V., Denis V. Korchagin, Patrik Neuhaus, and Wolfram Sander. "High-spin intermediates of the photolysis of 2,4,6-triazido-3-chloro-5-fluoropyridine." Beilstein Journal of Organic Chemistry 9 (April 16, 2013): 733–42. http://dx.doi.org/10.3762/bjoc.9.83.

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In contrast to theoretical expectations, the photolysis of 2,4,6-triazido-3-chloro-5-fluoropyridine in argon at 5 K gives rise to EPR peaks of just two triplet mononitrenes, two quintet dinitrenes, and a septet trinitrene. EPR spectral simulations in combination with DFT calculations show that observable nitrenes can be assigned to triplet 2,4-diazido-3-chloro-5-fluoropyridyl-6-nitrene (D T = 1.026 cm−1, E T = 0), triplet 2,6-diazido-3-chloro-5-fluoropyridyl-4-nitrene (D T = 1.122 cm−1, E T = 0.0018 cm−1), quintet 4-azido-3-chloro-5-fluoropyridyl-2,6-dinitrene (D Q = 0.215 cm−1, E Q = 0.0545 c
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Chapyshev, Sergei V. "Zero-field splitting parameters of triplet nitreno-s-triazines: a new insight into the geometry of the nitrene centres of triplet and singlet nitrenes." Mendeleev Communications 12, no. 6 (2002): 227–29. http://dx.doi.org/10.1070/mc2002v012n06abeh001683.

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Schomaker, Jennifer M., Logan E. Vine, and Emily E. Zerull. "Taming Nitrene Reactivity with Silver Catalysts." Synlett 32, no. 01 (2020): 30–44. http://dx.doi.org/10.1055/s-0040-1707197.

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Nitrene transfer (NT) is a convenient strategy to directly transform C–H bonds into more valuable C–N bonds and exciting advances have been made to improve selectivity. Our work in silver-based NT has shown the unique ability of this metal to enable tunable chemo-, site-, and stereoselective reactions using simple N-dentate ligand scaffolds. Manipulation of the coordination environment and noncovalent interactions around the silver center furnish unprecedented catalyst control in selective NT and provide insights for further improvements in the field.1 Introduction1.1 Strategies for Nitrene Tr
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Schock, Marvin, and Stefan Bräse. "Reactive & Efficient: Organic Azides as Cross-Linkers in Material Sciences." Molecules 25, no. 4 (2020): 1009. http://dx.doi.org/10.3390/molecules25041009.

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The exceptional reactivity of the azide group makes organic azides a highly versatile family of compounds in chemistry and the material sciences. One of the most prominent reactions employing organic azides is the regioselective copper(I)-catalyzed Huisgen 1,3-dipolar cycloaddition with alkynes yielding 1,2,3-triazoles. Other named reactions include the Staudinger reduction, the aza-Wittig reaction, and the Curtius rearrangement. The popularity of organic azides in material sciences is mostly based on their propensity to release nitrogen by thermal activation or photolysis. On the one hand, th
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Ozturk, Turan, and Alexander McKillop. "The synthesis of pyrido(2,3,4-kl)acridine unit of some marine alkaloids." Canadian Journal of Chemistry 78, no. 9 (2000): 1158–64. http://dx.doi.org/10.1139/v00-119.

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A simple and convenient synthesis of pyrido(2,3,4-kl)acridine (1), the main skeleton of some marine alkaloids, via cyclization and intramolecular nitrene insertion, is described. The importance of the planarity of the molecule during the nitrene insertion is explained.Key words: pyridoacridine, marine alkaloids, nitrene insertion, quinoline, quinolinone.
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Carsch, Kurtis M., Ida M. DiMucci, Diana A. Iovan, et al. "Synthesis of a copper-supported triplet nitrene complex pertinent to copper-catalyzed amination." Science 365, no. 6458 (2019): 1138–43. http://dx.doi.org/10.1126/science.aax4423.

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Terminal copper-nitrenoid complexes have inspired interest in their fundamental bonding structures as well as their putative intermediacy in catalytic nitrene-transfer reactions. Here, we report that aryl azides react with a copper(I) dinitrogen complex bearing a sterically encumbered dipyrrin ligand to produce terminal copper nitrene complexes with near-linear, short copper–nitrenoid bonds [1.745(2) to 1.759(2) angstroms]. X-ray absorption spectroscopy and quantum chemistry calculations reveal a predominantly triplet nitrene adduct bound to copper(I), as opposed to copper(II) or copper(III) a
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de Bruin, Bas, and Colet te Grotenhuis. "Radical-type Reactions Controlled by Cobalt: From Carbene Radical Reactivity to the Catalytic Intermediacy of Reactive o-Quinodimethanes." Synlett 29, no. 17 (2018): 2238–50. http://dx.doi.org/10.1055/s-0037-1610204.

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In this account, we summarize our recent efforts in the fields of ‘open-shell organometallic chemistry’ and ‘metalloradical catalysis’. We focus in particular on the use of so-called ‘carbene radicals’ for the synthesis of a variety of useful synthons for organic chemistry. We further show that unexpected reactivity arises from catalytic synthesis of unusual o-quinone methide and o-quinodimethane intermediates that undergo subsequent rearrangements to uncommon products.1 Introduction2 General (Fischer-Type) Carbene and Nitrene Reactivity and Their Relation to Carbene and Nitrene Radical Reacti
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Scamp, Ryan J., Bradley Scheffer, and Jennifer M. Schomaker. "Regioselective differentiation of vicinal methylene C–H bonds enabled by silver-catalysed nitrene transfer." Chemical Communications 55, no. 51 (2019): 7362–65. http://dx.doi.org/10.1039/c9cc04006d.

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Dissertations / Theses on the topic "Nitrenen"

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Schade, Olaf. "Zeitaufgelöste und kryogene Untersuchungen von Carbonylradikalen und Nitrenen." [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963206753.

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Verhaar, Mark Theodoor. "Studies towards syntheses of enantiopure 1-azaadamantane-2-carboxylic acid derivatives." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/57227.

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Afeke, Cephas Ofoe. "Chemistry of Acyl Nitrenes in the Synthesis of Carbamates and Complex Heterocycles." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1442410888.

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York, David C. "Synthesis of azaacridines using nitrene intermediates." Thesis, Keele University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254883.

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Grimshire, Michael J. "Studies on intramolecular trapping of N-nitrenes." Thesis, University of Leicester, 1986. http://hdl.handle.net/2381/33708.

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The research described in this Thesis is an investigation of the intramolecular trapping of N-nitrenes by alkenes and alkynes. In the former case, the objective was to try to obtain a description of the transition state geometry for concerted addition of nitrenes to double bonds. This was attempted by a study of intramolecular nitrene additions since in the latter, some control over the approach geometry of the interacting components can be exercised by design of the molecular framework. From the effect of changes in this framework upon the characteristics of the cycloaddition, and in particul
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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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Vosswinkel, Michael. "Ring expansion and ring opening of heteroaromatic nitrenes." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968868576.

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Polshakov, Dmitrii A. "Ultrafast spectroscopy and dynamics of nitrenes and carbenes." The Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=osu1130968887.

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Hamilton, Charles W. Ph D. Massachusetts Institute of Technology. "Nitrene transfer reactions by late transition metal complexes." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/38618.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2007.<br>Vita.<br>Includes bibliographical references.<br>This thesis presents nitrene transfer reactions that are catalyzed or mediated by late transition metal complexes. Sterically large, fluorinated supporting ligands are used to minimize potential side reactions. A new 1,10-phenanthroline ligand has been synthesized with 2,4,6-(CF3)3C6H2- groups in the 2- and 9-positions (1). A cationic copper(l) complex of 1 catalyzes nitrene transfer from N-(p-toluenesulfonylimino)phenyliodinane (PhlNTs) to the C-H bonds of 1,3-
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Ranaweera, Ranaweera Arachchilage Ajantha Upul. "Photo-induced Nitrogen and Carbon Based Radicals; A study on triplet nitrenes, triplet 1,2 and 1,3-biradicals." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337887740.

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Books on the topic "Nitrenen"

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Falvey, Daniel E., and Anna D. Gudmundsdottir, eds. Nitrenes and Nitrenium Ions. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118560907.

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Falvey, Daniel E., and Anna D. Gudmundsdottir. Nitrenes and Nitrenium Ions. Wiley & Sons, Incorporated, John, 2013.

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Falvey, Daniel E., and Anna D. Gudmundsdottir. Nitrenes and Nitrenium Ions. Wiley & Sons, Incorporated, John, 2013.

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Falvey, Daniel E., and Anna D. Gudmundsdottir. Nitrenes and Nitrenium Ions. Wiley & Sons, Incorporated, John, 2013.

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Nitrene And Nitrenium Ions. Wiley-Interscience, 2012.

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3rd Symposium in Carbene and Nitrene Chemistry. Elsevier, 2021. http://dx.doi.org/10.1016/s0065-3055(21)x0003-2.

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Ring-opening and nitrene insertion reactions in isoquinoline derivatives. University of Northumbria, 1993.

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Stanley, Alan Leslie. Ring-opening and nitrene insertion reactions in isoquinoline derivatives. 1993.

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Book chapters on the topic "Nitrenen"

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Platz, Matthew S. "Nitrenes." In Reactive Intermediate Chemistry. John Wiley & Sons, Inc., 2005. http://dx.doi.org/10.1002/0471721492.ch11.

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Gritsan, Nina P. "Properties of Carbonyl Nitrenes and Related Acyl Nitrenes." In Nitrenes and Nitrenium Ions. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118560907.ch12.

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Gras, E., and S. Chassaing. "Carbenes and Nitrenes." In Organic Reaction Mechanisms · 2014. John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781118941829.ch4.

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Christlieb, M., and E. Gras. "Carbenes and Nitrenes." In Organic Reaction Mechanisms · 2006. John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470669587.ch4.

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Moloney, M. G. "Carbenes and Nitrenes." In Organic Reaction Mechanisms · 2008. John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9780470979525.ch4.

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Gras, E., and S. Chassaing. "Carbenes and Nitrenes." In Organic Reaction Mechanisms Series. John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118560273.ch4.

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Muthukrishnan, Sivaramakrishnan, Ranaweera A. A. U. Ranaweera, and Anna D. Gudmundsdottir. "Triplet Alkyl Nitrenes." In Nitrenes and Nitrenium Ions. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118560907.ch5.

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Gras, E. "Carbenes and Nitrenes." In Organic Reaction Mechanisms Series. John Wiley & Sons, Ltd, 2011. http://dx.doi.org/10.1002/9781119972471.ch4.

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Hodgson, D. M., M. Christlieb, and E. Gras. "Carbenes and Nitrenes." In Organic Reaction Mechanisms Series. John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470022051.ch4.

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Hodgson, D. M., M. Christlieb, and E. Gras. "Carbenes and Nitrenes." In Organic Reaction Mechanisms 2001. John Wiley & Sons, Ltd, 2006. http://dx.doi.org/10.1002/0470866748.ch4.

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Conference papers on the topic "Nitrenen"

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Platz, Matthew S., K. Kanakarajan, R. P. Goodrich, M. J. T. Young, and S. Soundararajan. "Spectroscopy Of Nitrenes Bound To ∝-Chymotrypsin." In 1987 Cambridge Symposium, edited by Douglas C. Neckers. SPIE, 1988. http://dx.doi.org/10.1117/12.942690.

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Holzinger, Michael. "Polymerization Of SWCNTs With Di-Nitrens." In MOLECULAR NANOSTRUCTURES: XVII International Winterschool Euroconference on Electronic Properties of Novel Materials. AIP, 2003. http://dx.doi.org/10.1063/1.1627992.

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Reports on the topic "Nitrenen"

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Templeton, J. L. Bond forming reactions of carbyne and nitrene complexes. Final technical report for DE-FG02-96ER14608. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/803353.

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