Academic literature on the topic 'Sandmeyer's reaction'

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Journal articles on the topic "Sandmeyer's reaction"

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Silva, Bárbara V., Flávio A. Violante, Angelo C. Pinto, and Leonardo S. Santos. "The mechanism of Sandmeyer's cyclization reaction by electrospray ionization mass spectrometry." Rapid Communications in Mass Spectrometry 25, no. 3 (2011): 423–28. http://dx.doi.org/10.1002/rcm.4869.

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Kölmel, Dominik K., Nicole Jung, and Stefan Bräse. "Azides – Diazonium Ions – Triazenes: Versatile Nitrogen-rich Functional Groups." Australian Journal of Chemistry 67, no. 3 (2014): 328. http://dx.doi.org/10.1071/ch13533.

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For more than 100 years, nitrogen-rich compounds such as azides, diazonium ions, and triazenes have proved to be extremely valuable. Because these functional groups can be easily introduced into various substrates, they are frequently used nowadays. More importantly, they can be converted into a great number of other functional groups. The scope of this article is thus to summarize possible synthetic routes for the formation of these functional groups as well as to highlight some of the most prominent applications of these exciting moieties in chemical biology and combinatorial chemistry. Many of the most famous name reactions such as the Staudinger reduction, Staudinger ligation, Sandmeyer reaction, Wallach reaction, Mitsunobu reaction, Huisgen reaction, Balz–Schiemann reaction, Meerwein arylation, Pschorr reaction or Gomberg–Bachmann reaction are covered.
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Liu, Qianyi, Beiqi Sun, Zheng Liu, et al. "A general electrochemical strategy for the Sandmeyer reaction." Chemical Science 9, no. 46 (2018): 8731–37. http://dx.doi.org/10.1039/c8sc03346c.

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Dai, Jian-Jun, Chi Fang, Bin Xiao, et al. "Copper-Promoted Sandmeyer Trifluoromethylation Reaction." Journal of the American Chemical Society 135, no. 23 (2013): 8436–39. http://dx.doi.org/10.1021/ja404217t.

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Matheis, C., B. Bayarmagnai, K. Jouvin, and L. J. Goossen. "Convenient synthesis of pentafluoroethyl thioethers via catalytic Sandmeyer reaction with a stable fluoroalkylthiolation reagent." Organic Chemistry Frontiers 3, no. 8 (2016): 949–52. http://dx.doi.org/10.1039/c6qo00194g.

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Striela, Romualdas, Gintaras Urbelis, Jurgis Sūdžius, Sigitas Stončius, Rita Sadzevičienė, and Linas Labanauskas. "Synthesis of bromocyclopropylpyridines via the Sandmeyer reaction." Tetrahedron Letters 58, no. 17 (2017): 1681–83. http://dx.doi.org/10.1016/j.tetlet.2017.03.029.

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Dai, Jian-Jun, Chi Fang, Bin Xiao, et al. "ChemInform Abstract: Copper-Promoted Sandmeyer Trifluoromethylation Reaction." ChemInform 44, no. 46 (2013): no. http://dx.doi.org/10.1002/chin.201346047.

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Hanson, Peter, Jason R. Jones, Alec B. Taylor, Paul H. Walton, and Allan W. Timms. "Sandmeyer reactions. Part 7.1 An investigation into the reduction steps of Sandmeyer hydroxylation and chlorination reactions." Journal of the Chemical Society, Perkin Transactions 2, no. 6 (April 19, 2002): 1135–50. http://dx.doi.org/10.1039/b200748g.

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Ghosh, Sujit, Kinkar Biswas, and Basudeb Basu. "Recent Advances in Microwave Promoted C-P Cross-coupling Reactions." Current Microwave Chemistry 7, no. 2 (2020): 112–22. http://dx.doi.org/10.2174/2213335607666200401144724.

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: Organophosphorous compounds are of potential importance in diverse fields. They are often used as intermediates for making functionalized phosphine ligands as well as find vast applications in the areas of industrial, agricultural and biological chemistry. The microwave-assisted synthesis of C-P bonds has become increasingly popular because of its various advantages over conventional heating in the perspectives of green chemistry. : This review article has primarily focused on the synthesis of various organophosphorous molecules via microwave promoted C-P cross-coupling reactions under metal-catalyzed or metal–free conditions over the last two decades. The synthesis of phosphine ligands on 4,4′-bisquinolone structural framework, disubstituted phosphinic acid esters, vinyl phosphines, aryl- and vinylphosphonates, sugar and nucleoside phosphonates, aminobisphosphonates, triphenyl phosphines, water-soluble tertiary phosphine oxides and many other potentially useful organophosphorous compounds have been illustrated critically. The Hirao reaction, Michaelis-Arbuzov reaction and Sandmeyer type of reactions are generally involved in creating C-P bonds. The role of various metal catalysts, solvents, bases, additives and temperature in different literatures are carefully discussed.
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Fedorov, Alexey, Ekaterina Shchegravina, Elena Svirshchevskaya, and Hans-Günther Schmalz. "A Facile Synthetic Approach to Nonracemic Substituted Pyrrolo-allocolchicinoids Starting from Natural Colchicine." Synthesis 51, no. 07 (2018): 1611–22. http://dx.doi.org/10.1055/s-0037-1610673.

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A six-step semisynthetic approach towards chiral nonracemic pyrrolo-allocolchicinoids starting from naturally occurring colchicine was developed. The synthetic scheme includes an electrocyclic tropolone ring contraction to afford allocolchicinic acid followed by the Curtius reaction, giving the corresponding aniline. The Sandmeyer reaction and copper-mediated hydrazination gave hydrazine-substituted allocolchicine. This was introduced into the Fischer indole synthesis, affording libraries of regioisomeric indole-based allocolchicine congeners.
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Dissertations / Theses on the topic "Sandmeyer's reaction"

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Hammond, Roger C. "Kinetic studies directed towards the improvement of Sandmeyer reactions." Thesis, University of York, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296294.

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Book chapters on the topic "Sandmeyer's reaction"

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Li, Jie Jack. "Sandmeyer reaction." In Name Reactions. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_249.

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Li, Jie Jack. "Sandmeyer reaction." In Name Reactions. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_227.

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Li, Jie Jack. "Sandmeyer reaction." In Name Reactions. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_242.

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Li, Jie Jack. "Sandmeyer reaction." In Name Reactions. Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_261.

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Li, Jie Jack. "Sandmeyer Reaction." In Name Reactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-50865-4_132.

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Spitzner, D. "Sandmeyer and Schiemann Reactions." In Six-Membered Hetarenes with One Nitrogen or Phosphorus Atom. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-015-00331.

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Matsumoto, M. "Sandmeyer Reaction of Polychlorodibenzo[,][1,4]dioxinamines." In Six-Membered Hetarenes with Two Identical Heteroatoms. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-016-00036.

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Nelson, S. G. "Displacement of Diazonium Groups by Nucleophiles (The Sandmeyer Reaction)." In Three Carbon-Heteroatom Bonds: Acid Halides; Carboxylic Acids and Acid Salts. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-020-00998.

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Gallagher, P. T. "Replacement of a Diazonium Group by Chlorine (Sandmeyer Reaction)." In Fused Five-Membered Hetarenes with One Heteroatom. Georg Thieme Verlag KG, 2001. http://dx.doi.org/10.1055/sos-sd-010-00972.

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Conference papers on the topic "Sandmeyer's reaction"

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Asano, Yukako, Shigenori Togashi, and Yoshishige Endo. "Optimization of Chemical Reaction Processes in Microreactors Using Reaction Rate Analyses." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-36013.

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We applied microreactors to the three following reactions: a consecutive bromination reaction, the two-step Sandmeyer reaction, and an acetylation reaction including solvent effects. We obtained the reaction rate constants from few experimental data or quantum chemical calculations and optimized the reaction conditions such as the reaction times and temperature. We then experimentally validated them by microreactors. A consecutive bromination reaction, where the objective reaction was followed by the side reaction, was one of the processes. The reaction temperature played an important role in the effects of a microreactor. The yield of the objective product was improved by about 40% using a microreactor. The two-step Sandmeyer reaction was also applied, where the 1st-step reaction was followed by the 2nd-step reaction to produce the objective product. The 1st-step reaction had the diffusion-controlled process, while the 2nd-step reaction had the reaction-controlled one. The yield of the objective product was improved when microreactors were used and the reaction time for the 2nd-step reaction was set appropriately. Moreover, an acetylation reaction including solvent effects on reaction rates was considered and the solvent effects could be predicted from quantum chemical calculations. The calculation suggested that acetic acid with the larger electron-accepting property gave more stability to the species formed in the transition state. The reaction time was shortened using a microreactor, when the reaction process was changed from reaction-controlled to diffusion-controlled by changing the solvent used.
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Quattrociocchi, Daniel Garcez Santos, Antonio Rafael de Oliveira, Douglas da Motta Pio, and Vinicius Rangel Campos. "Estudo teórico da formação da isatina e de seus derivados dimetoxilados pelo método Sandmeyer." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol2020109.

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Isatin has been attracted the researchers attention due the structural versatility and can be used to synthesized other molecules with pharmacological activities. The Sandmeyer method is one of the most common methods for the synthesis of this molecule. Where the reaction with from aniline with chloral hydrate and hydroxyl amine occurs with good yield. When the same reaction is performed with dimethoxylated aniline show low yield or is not observed experimentally. These observations motivate this work and the justification for these facts are given in terms of thermodynamic parameters and by the intermediaries formed during the reactions. In this study, two steps with great relevance in the synthetic route were analyzed: the nucleophilic attack and the cyclization. For this, electronic structure calculations were carried out using the functional B3LYP and the base set 6-311+G(d). In all the three cases investigated were idenfied a transition state in nucleophilic attack. This result is not reported in the literature. The energy barriers found show that this step is determinant to kinetic reaction because can be considered the slow step (barrier energy around 38 kcal mol-1). Ciclization step was highly spontaneous in all the cases studied.
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