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Artykuły w czasopismach na temat "Carbon-hetero bond transformation reactions"
Valdés, Carlos, Raquel Barroso i María Cabal. "Pd-catalyzed Auto-Tandem Cascades Based on N-Sulfonylhydrazones: Hetero- and Carbocyclization Processes". Synthesis 28, nr 19 (10.08.2017): 4434–47. http://dx.doi.org/10.1055/s-0036-1588535.
Pełny tekst źródłaRai, Vijai K., Fooleswar Verma, Suhasini Mahata, Smita R. Bhardiya, Manorama Singh i Ankita Rai. "Metal Doped-C3N4/Fe2O4: Efficient and Versatile Heterogenous Catalysts for Organic Transformations". Current Organic Chemistry 23, nr 12 (20.09.2019): 1284–306. http://dx.doi.org/10.2174/1385272823666190709113758.
Pełny tekst źródłaTietze, L. F., i N. Rackelmann. "Domino reactions in the synthesis of heterocyclic natural products and analogs". Pure and Applied Chemistry 76, nr 11 (1.01.2004): 1967–83. http://dx.doi.org/10.1351/pac200476111967.
Pełny tekst źródłaSmaligo, Andrew J., Manisha Swain, Jason C. Quintana, Mikayla F. Tan, Danielle A. Kim i Ohyun Kwon. "Hydrodealkenylative C(sp3)–C(sp2) bond fragmentation". Science 364, nr 6441 (16.05.2019): 681–85. http://dx.doi.org/10.1126/science.aaw4212.
Pełny tekst źródłaPoursharif, Akram, Mahmood Kazemzad i Nooshin Salman Tabrizi. "Fabrication of Carbon Nanotube Granules as Pd Catalyst Supports for Hydrogenation of Carbon-Carbon Triple Bond". Advanced Materials Research 829 (listopad 2013): 82–85. http://dx.doi.org/10.4028/www.scientific.net/amr.829.82.
Pełny tekst źródłaKumar, Sumit, i Kishor Padala. "The recent advances in K2S2O8-mediated cyclization/coupling reactions via an oxidative transformation". Chemical Communications 56, nr 96 (2020): 15101–17. http://dx.doi.org/10.1039/d0cc06036d.
Pełny tekst źródłaLiu, Leping, Bo Xu i Gerald B. Hammond. "Construction of cyclic enones via gold-catalyzed oxygen transfer reactions". Beilstein Journal of Organic Chemistry 7 (13.05.2011): 606–14. http://dx.doi.org/10.3762/bjoc.7.71.
Pełny tekst źródłaCho, Inha, Zhi-Jun Jia i Frances H. Arnold. "Site-selective enzymatic C‒H amidation for synthesis of diverse lactams". Science 364, nr 6440 (9.05.2019): 575–78. http://dx.doi.org/10.1126/science.aaw9068.
Pełny tekst źródłaQuan, Zheng-Jun, Xi-Cun Wang, Ming-Xia Liu i Hai-Peng Gong. "Palladium-Catalyzed Copper-Promoted Hiyama-Type Carbon–Carbon Cross-Coupling Reactions of Dihetaryl Disulfides as Electrophiles". Synlett 29, nr 03 (26.10.2017): 330–35. http://dx.doi.org/10.1055/s-0036-1589116.
Pełny tekst źródłaYang, Qiaoyu, Xiaoxian Guo, Yuwan Liu i Huifeng Jiang. "Biocatalytic C-C Bond Formation for One Carbon Resource Utilization". International Journal of Molecular Sciences 22, nr 4 (14.02.2021): 1890. http://dx.doi.org/10.3390/ijms22041890.
Pełny tekst źródłaRozprawy doktorskie na temat "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.
Pełny tekst źródłaCataloged 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.
Pełny tekst źródłaRokade, Balaji Vasantrao. "Copper-Catalyzed Novel Oxidative Transformations : Construction of Carbon-Hetero Bonds". Thesis, 2014. http://etd.iisc.ernet.in/2005/3479.
Pełny tekst źródłaDhineshkumar, 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.
Pełny tekst źródłaDhineshkumar, 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.
Pełny tekst źródłaGuan, Shih-Hau, i 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.
Pełny tekst źródła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.
Pełny tekst źródłaCzęści książek na temat "Carbon-hetero bond transformation reactions"
Tobisu, Mamoru, i Naoto Chatani. "Catalytic Transformations Involving the Activation of sp2 Carbon–Oxygen Bonds". W Inventing Reactions, 35–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/3418_2012_42.
Pełny tekst źródłaEngman, Lars, i Vijay Gupta. "Reactions of selenium nucleophiles". W Organoselenium Chemistry, 67–92. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198501411.003.0004.
Pełny tekst źródła"C–C Bond Formation". W Biocatalysis in Organic Synthesis: The Retrosynthesis Approach, 217–53. The Royal Society of Chemistry, 2018. http://dx.doi.org/10.1039/bk9781782625308-00217.
Pełny tekst źródła"Alkylation". W Greener Organic Transformations, 19–29. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00019.
Pełny tekst źródła"Organometallic Addition Reactions to Ketones". W Greener Organic Transformations, 96–99. The Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781837670895-00096.
Pełny tekst źródłaBietti, M., i F. Dénès. "1.12 Intermolecular Radical C—H Functionalization". W 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.
Pełny tekst źródłaZhang, J., D. Liu i Y. Chen. "1.9 Oxygen-Centered Radicals". W 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.
Pełny tekst źródłaKeeler, James, i Peter Wothers. "Organic chemistry 1: functional groups". W Chemical Structure and Reactivity. Oxford University Press, 2013. http://dx.doi.org/10.1093/hesc/9780199604135.003.0012.
Pełny tekst źródłaTaber, Douglass F. "Carbon–Carbon Bond Construction". W Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0027.
Pełny tekst źródłaHafeman, N. J., S. R. Sardini, Jr., V. Bhat i B. M. Stoltz. "9 Transition-Metal-Catalyzed Dynamic Kinetic Asymmetric Transformations (DYKATs) and Stereoablative Transformations". W 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.
Pełny tekst źródłaRaporty organizacyjne na temat "Carbon-hetero bond transformation reactions"
Sengupta-Gopalan, Champa, Shmuel Galili i Rachel Amir. Improving Methionine Content in Transgenic Forage Legumes. United States Department of Agriculture, luty 2001. http://dx.doi.org/10.32747/2001.7580671.bard.
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