Littérature scientifique sur le sujet « Carbon-hetero bond transformation reactions »
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Articles de revues sur le sujet "Carbon-hetero bond transformation reactions"
Valdés, Carlos, Raquel Barroso et María Cabal. « Pd-catalyzed Auto-Tandem Cascades Based on N-Sulfonylhydrazones : Hetero- and Carbocyclization Processes ». Synthesis 28, no 19 (10 août 2017) : 4434–47. http://dx.doi.org/10.1055/s-0036-1588535.
Texte intégralRai, Vijai K., Fooleswar Verma, Suhasini Mahata, Smita R. Bhardiya, Manorama Singh et Ankita Rai. « Metal Doped-C3N4/Fe2O4 : Efficient and Versatile Heterogenous Catalysts for Organic Transformations ». Current Organic Chemistry 23, no 12 (20 septembre 2019) : 1284–306. http://dx.doi.org/10.2174/1385272823666190709113758.
Texte intégralTietze, L. F., et N. Rackelmann. « Domino reactions in the synthesis of heterocyclic natural products and analogs ». Pure and Applied Chemistry 76, no 11 (1 janvier 2004) : 1967–83. http://dx.doi.org/10.1351/pac200476111967.
Texte intégralSmaligo, Andrew J., Manisha Swain, Jason C. Quintana, Mikayla F. Tan, Danielle A. Kim et Ohyun Kwon. « Hydrodealkenylative C(sp3)–C(sp2) bond fragmentation ». Science 364, no 6441 (16 mai 2019) : 681–85. http://dx.doi.org/10.1126/science.aaw4212.
Texte intégralPoursharif, Akram, Mahmood Kazemzad et Nooshin Salman Tabrizi. « Fabrication of Carbon Nanotube Granules as Pd Catalyst Supports for Hydrogenation of Carbon-Carbon Triple Bond ». Advanced Materials Research 829 (novembre 2013) : 82–85. http://dx.doi.org/10.4028/www.scientific.net/amr.829.82.
Texte intégralKumar, Sumit, et Kishor Padala. « The recent advances in K2S2O8-mediated cyclization/coupling reactions via an oxidative transformation ». Chemical Communications 56, no 96 (2020) : 15101–17. http://dx.doi.org/10.1039/d0cc06036d.
Texte intégralLiu, Leping, Bo Xu et Gerald B. Hammond. « Construction of cyclic enones via gold-catalyzed oxygen transfer reactions ». Beilstein Journal of Organic Chemistry 7 (13 mai 2011) : 606–14. http://dx.doi.org/10.3762/bjoc.7.71.
Texte intégralCho, Inha, Zhi-Jun Jia et Frances H. Arnold. « Site-selective enzymatic C‒H amidation for synthesis of diverse lactams ». Science 364, no 6440 (9 mai 2019) : 575–78. http://dx.doi.org/10.1126/science.aaw9068.
Texte intégralQuan, Zheng-Jun, Xi-Cun Wang, Ming-Xia Liu et Hai-Peng Gong. « Palladium-Catalyzed Copper-Promoted Hiyama-Type Carbon–Carbon Cross-Coupling Reactions of Dihetaryl Disulfides as Electrophiles ». Synlett 29, no 03 (26 octobre 2017) : 330–35. http://dx.doi.org/10.1055/s-0036-1589116.
Texte intégralYang, Qiaoyu, Xiaoxian Guo, Yuwan Liu et Huifeng Jiang. « Biocatalytic C-C Bond Formation for One Carbon Resource Utilization ». International Journal of Molecular Sciences 22, no 4 (14 février 2021) : 1890. http://dx.doi.org/10.3390/ijms22041890.
Texte intégralThèses sur le sujet "Carbon-hetero bond transformation reactions"
Senecal, Todd D. (Todd Dale). « Carbon-trifluoromethyl bond forming reactions and palladium-catalyzed cyanation of (hetero)aryl halides ». Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/82321.
Texte intégralCataloged from PDF version of thesis.
Includes bibliographical references.
Chapter 1 Nucleophilic trifluoromethyl sources were systematically examined in stoichiometric palladium experiments to determine the most efficient class of reagents for transmetallation. In conjunction with reductive elimination studies, this led to the development of the first system for the trifluoromethylation of aryl chlorides. Chapter 2 A method for the oxidative trifluoromethylation of (hetero)aryl boronic acids is reported. Bench top setup and visual reaction monitoring makes this process particularly well suited to medicinal and academic chemists. Fast reaction times allow for the trifluoromethylation of heterocyclic boronic acids that are prone to facile protodeboronation. Chapter 3 A trifluoromethylation of potassium vinyl trifluoroborates via iron catalysis has been developed. Excellent E:Z ratios are observed for styryl trifluoroborates. Initial investigations suggest a mechanistic pathway that diverges from our previous (hetero)aryl trifluoromethylation systems. Chapter 4 A highly efficient system for the palladium-catalyzed cyanation of (hetero)aryl halides is disclosed. By employing palladacycle precatalysts, cyanide binding during catalyst formation is minimized, allowing for low catalyst loadings even with unactivated aryl chlorides. The method utilizes a non-toxic cyanide source and exhibits excellent functional group tolerance, particularly of free N-H groups and typically challenging five membered heterocycles.
by Todd D. Senecal.
Ph.D.in Organic Chemistry
Rokade, Balaji Vasantrao. « Copper-Catalyzed Novel Oxidative Transformations : Construction of Carbon-Hetero Bonds ». Thesis, 2014. http://etd.iisc.ac.in/handle/2005/3479.
Texte intégralRokade, Balaji Vasantrao. « Copper-Catalyzed Novel Oxidative Transformations : Construction of Carbon-Hetero Bonds ». Thesis, 2014. http://etd.iisc.ernet.in/2005/3479.
Texte intégralDhineshkumar, J. « Iodine and Copper Catalyzed Oxidative Cross Coupling Reactions : Design and Development of Carbon-Carbon and Carbon-Heteroatom Bond Forming Reactions ». Thesis, 2016. http://etd.iisc.ac.in/handle/2005/3020.
Texte intégralDhineshkumar, J. « Iodine and Copper Catalyzed Oxidative Cross Coupling Reactions : Design and Development of Carbon-Carbon and Carbon-Heteroatom Bond Forming Reactions ». Thesis, 2016. http://hdl.handle.net/2005/3020.
Texte intégralGuan, Shih-Hau, et 管仕豪. « Studies of Carbon-Carbon Bond Formation Reactions Based on Ni(II) and Pd(II) Catalysts Bearing Nitrogen-Containing Hetero-functional Bidentate Ligands ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/64240078354258185606.
Texte intégral國立臺灣大學
化學研究所
95
In this thesis, carbon-carbon bond formations are studied through three kinds of reactions: styrene polymerization, cross-couplings and nucleophilic additions. A new series of Ni(II) complexes [(N,N'')NiBr2] bearing bidentate amino-oxazoline ligands have been synthesized and applied for polymerization of styrene. With cocatalyst, MAO, these Ni(II) complexes 4 are highly efficient catalysts for styrene polymerization with activities up to ~107 g / mol [Ni] × h under optimized conditions, which possess the best performance among the catalytic Ni systems now. Effects of the structures of catalysts and the reaction parameters on the activities and characteristic properties for the polymers have been discussed here. From the 13C NMR data, the degree of stereoregularity of the synthesized polystyrene could be moderately controlled by the chiral center in the oxazoline ring although atactic polymers were generally obtained by these Ni(II) catalysts. The neutral Pd(II) complexes [(N,N'')PdCH3Cl] 5 and the cationic complexes [(N,N'')PdCH3L]+ 7 were prepared for studying the mechanism for polymerization. For the neutral Pd complexes, their coordination chemistry, dynamic behavior, geometric isomerization, and reactivity toward alkynes have been studied herein. Furthermore, reactions of cationic Pd complexes with styrene, which led to the η3-π-benzyl Pd(II) complexes, made the possible mechanism of the polymerization of styrene for the Ni(II) system. Neutral Pd(II) complexes were synthesized and involved nitrogen-containing ligands, such as mono-oxazolines, amino-oxazolines and pyridyl-pyrazoles. Among them, the chloromethylpalladium(II) complex with bidentate pyridyl-pyrazole ligands exhibited excellent activities toward Heck coupling reactions with high TONs up to 95,000,000, comparable to the palladacycle systems. In addition, the pyridyl-azolate ligands are good candidates for catalytic Suzuki-Miyaura cross-coupling reactions. In the presence of Pd(OAc)2, KF as base, and such ligands in EtOH, the couplings of aryl bromides with phenylboronic acids could proceed with high conversions at room temperature in the air. Under the same conditions, it could slowly couple aryl chloride with phenylboronic acids, which is rare for Pd catalysts with bidentate nitrogen donor ligands. Finally, we synthesized a series of cationic allylpalladium(II) complexes bearing asymmetric amino-oxazoline ligands. The isomer interconversion is demonstrated by NOESY spectra to show a syn-syn, anti-anti exchange. Nucleophilic attacks to the Pd complexes would result in the linear and branched products. The regioselectivity is strongly dependent on the steric/electronic properties of the nucleophiles and the polarity of the used solvents.
Guan, Shih-Hau. « Studies of Carbon-Carbon Bond Formation Reactions Based on Ni(II) and Pd(II) Catalysts Bearing Nitrogen-Containing Hetero-functional Bidentate Ligands ». 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1108200716185900.
Texte intégralChapitres de livres sur le sujet "Carbon-hetero bond transformation reactions"
Tobisu, Mamoru, et Naoto Chatani. « Catalytic Transformations Involving the Activation of sp2 Carbon–Oxygen Bonds ». Dans Inventing Reactions, 35–53. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/3418_2012_42.
Texte intégralEngman, Lars, et Vijay Gupta. « Reactions of selenium nucleophiles ». Dans Organoselenium Chemistry, 67–92. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198501411.003.0004.
Texte intégral« C–C Bond Formation ». Dans Biocatalysis in Organic Synthesis : The Retrosynthesis Approach, 217–53. The Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/bk9781782625308-00217.
Texte intégral« Alkylation ». Dans Greener Organic Transformations, 19–29. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00019.
Texte intégral« Organometallic Addition Reactions to Ketones ». Dans Greener Organic Transformations, 96–99. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00096.
Texte intégralBietti, M., et F. Dénès. « 1.12 Intermolecular Radical C—H Functionalization ». Dans Free Radicals : Fundamentals and Applications in Organic Synthesis 1. Stuttgart : Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-234-00262.
Texte intégralZhang, J., D. Liu et Y. Chen. « 1.9 Oxygen-Centered Radicals ». Dans Free Radicals : Fundamentals and Applications in Organic Synthesis 1. Stuttgart : Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-234-00177.
Texte intégralKeeler, James, et Peter Wothers. « Organic chemistry 1 : functional groups ». Dans Chemical Structure and Reactivity. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199604135.003.0012.
Texte intégralTaber, Douglass F. « Carbon–Carbon Bond Construction ». Dans Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0027.
Texte intégralHafeman, N. J., S. R. Sardini, Jr., V. Bhat et B. M. Stoltz. « 9 Transition-Metal-Catalyzed Dynamic Kinetic Asymmetric Transformations (DYKATs) and Stereoablative Transformations ». Dans Dynamic Kinetic Resolution (DKR) and Dynamic Kinetic Asymmetric Transformations (DYKAT). Stuttgart : Georg Thieme Verlag KG, 2023. http://dx.doi.org/10.1055/sos-sd-237-00105.
Texte intégralRapports d'organisations sur le sujet "Carbon-hetero bond transformation reactions"
Sengupta-Gopalan, Champa, Shmuel Galili et Rachel Amir. Improving Methionine Content in Transgenic Forage Legumes. United States Department of Agriculture, février 2001. http://dx.doi.org/10.32747/2001.7580671.bard.
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