Auswahl der wissenschaftlichen Literatur zum Thema „C-N bond forming“

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Zeitschriftenartikel zum Thema "C-N bond forming"

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Razis, S. Aminah A., M. Sukeri M. Yusof, and Bohari M. Yamin. "N-(4-Methoxyphenyl)-N′-(4-methylbenzoyl)thiourea." Acta Crystallographica Section E Structure Reports Online 63, no. 11 (2007): o4225. http://dx.doi.org/10.1107/s1600536807047551.

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In the title compound, C16H16N2O2S, one of the C—N bonds adopts a transoid configuration, whereas the other C—N bond is cisoid configured. The molecular conformation is stabilized by an intramolecular N—H...O hydrogen bond, and the crystal packing is stabilized by intermolecular N—H...S and C—H...O hydrogen bonds, forming chains parallel to the a axis.
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Frey, Johanna, Sabine Choppin, Françoise Colobert, and Joanna Wencel-Delord. "Towards Atropoenantiopure N–C Axially Chiral Compounds via Stereoselective C–N Bond Formation." CHIMIA International Journal for Chemistry 74, no. 11 (2020): 883–89. http://dx.doi.org/10.2533/chimia.2020.883.

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N–C axial chirality, although disregarded for decades, is an interesting type of chirality with appealing applications in medicinal chemistry and agrochemistry. However, atroposelective synthesis of optically pure compounds is extremely challenging and only a limited number of synthetic routes have been designed. In particular, asymmetric N-arylation reactions allowing atroposelective N–C bond forming events remain scarce, although great advances have been achieved recently. In this minireview we summarize the synthetic approaches towards synthesis of N–C axially chiral compounds via stereocon
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Shen, Hao, and Zuowei Xie. "Titanacarborane mediated C–N bond forming/breaking reactions." Journal of Organometallic Chemistry 694, no. 11 (2009): 1652–57. http://dx.doi.org/10.1016/j.jorganchem.2008.11.010.

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Liu, Yang, Zhongyi Mao, Alexandre Pradal, Pei-Qiang Huang, Julie Oble, and Giovanni Poli. "Palladium-Catalyzed [3 + 2]-C–C/N–C Bond-Forming Annulation." Organic Letters 20, no. 13 (2018): 4057–61. http://dx.doi.org/10.1021/acs.orglett.8b01616.

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Li, Wei, Ruchun Yang, and Qiang Xiao. "(2R,3S,4R,5R)-5-(4-Amino-5-iodo-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4-fluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol." Acta Crystallographica Section E Structure Reports Online 70, no. 2 (2014): o120. http://dx.doi.org/10.1107/s1600536813034995.

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The title compound, C11H12FIN4O3, is composed of a 7-carbapurine moiety connectedviaan N atom to 2-deoxy-2-fluoro-β-D-ribose. The conformation about the N-glycosydic bond is −antiwith χ = −129.0 (11)°. The glycosydic N—C bond length is 1.435 (14) Å. The sugar ring adopts anNconformation with an unsymmetrical twist O-endo-C-exo (oT4). The conformation around the C—C bond is +sc, with a torsion angle of 53.0 (12)°. In the crystal, molecules are linked by N—H...O hydrogen bonds, forming chains propagating along theaaxis. These chains are linkedviaO—H...I and C—H...O hydrogen bonds, forming layers
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Chkirate, Karim, Sevgi Kansiz, Khalid Karrouchi, Joel T. Mague, Necmi Dege, and El Mokhtar Essassi. "Crystal structure and Hirshfeld surface analysis of N-{2-[(E)-(4-methylbenzylidene)amino]phenyl}-2-(5-methyl-1-H-pyrazol-3-yl)acetamide hemihydrate." Acta Crystallographica Section E Crystallographic Communications 75, no. 2 (2019): 154–58. http://dx.doi.org/10.1107/s2056989018017747.

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The asymmetric unit of the title compound, C20H20N4O·0.5H2O, contains two independent organic molecules (1 and 2) and a water molecule of crystallization. The two molecules differ primarily in the dihedral angles between the aromatic rings, which are 7.79 (7) and 29.89 (7)° in molecules 1 and 2, respectively. In each molecule there is intramolecular C—H...O hydrogen bond forming an S(6) ring motif. In molecule 1 there is an intramolecular N—H...π(pyrazole) interaction and an intramolecular C—H...π(pyrazole) interaction present. Molecule 1 is linked to molecule 2 by a C—H...π(benzene ring) inte
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Mague, Joel T., Alaa A. M. Abdel-Aziz, Adel S. El-Azab, and Amer M. Alanazi. "1-Acetyl-5-methoxy-4-(phenylsulfanyl)imidazolidin-2-one." Acta Crystallographica Section E Structure Reports Online 70, no. 2 (2014): o145—o146. http://dx.doi.org/10.1107/s1600536814000117.

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The title compound, C12H14N2O3S, crystallizes with two independent molecules (AandB) in the asymmetric unit. The five-membered imidazolidin-2-one rings in both molecules are twisted about the C—C bond. In the crystal, theAandBmolecules are associatedviapairs of N—H...O hydrogen bonds, formingA–Bdimers. These dimers are linkedviaC—H...S hydrogen bonds, forming double dimers, which are in turn linkedviaC—H...O hydrogen bonds forming two-dimensional networks lying parallel to (001). There are also C—H...π interactions present, which consolide the layers and link them, so forming a three-dimension
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Fujii, Isao. "Crystal structure of (S)-2-amino-2-methylsuccinic acid." Acta Crystallographica Section E Crystallographic Communications 71, no. 10 (2015): o731—o732. http://dx.doi.org/10.1107/s2056989015016709.

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The title compound, C5H9NO4, crystallized as a zwitterion. There is an intramolecular N—H...O hydrogen bond involving thetrans-succinic acid and the ammonium group, forming anS(6) ring motif. In the crystal, molecules are linked by O—H...O hydrogen bonds, formingC(7) chains along thec-axis direction. The chains are linked by N—H...O and C—H...O hydrogen bonds, forming sheets parallel to thebcplane. Further N—H...O hydrogen bonds link the sheets to form a three-dimensional framework.
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Valdés, Carlos, Raquel Barroso, and María Cabal. "Pd-catalyzed Auto-Tandem Cascades Based on N-Sulfonylhydrazones: Hetero- and Carbocyclization Processes." Synthesis 28, no. 19 (2017): 4434–47. http://dx.doi.org/10.1055/s-0036-1588535.

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The Pd-catalyzed cross-coupling between N-tosylhydrazones and organic halides is a powerful method for the creation of C–C bonds. This transformation has been included recently in cascade processes in which the same catalyst promotes various independent catalytic steps, a process known as auto-tandem catalysis. This strategy proves to be very useful for the construction of relatively complex carbo- and heterocyclic structures, as well as for the generation of molecular diversity. This short review will cover the different Pd-catalyzed auto-tandem reactions­ involving N-tosylhydrazones organize
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Morita, Iori, Takahiro Mori, Takaaki Mitsuhashi, et al. "Exploiting a C–N Bond Forming Cytochrome P450 Monooxygenase for C–S Bond Formation." Angewandte Chemie 132, no. 10 (2020): 4017–22. http://dx.doi.org/10.1002/ange.201916269.

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Dissertationen zum Thema "C-N bond forming"

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Mudarra, Alonso Ángel Luis. "Coinage complexes in C-C and C-N bond-forming reactions." Doctoral thesis, Universitat Rovira i Virgili, 2020. http://hdl.handle.net/10803/670357.

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Els complexos organometàl·lics de coure, plata i or juguen un paper fonamental com espècies reactives en diverses transformacions químiques. Aquesta tesi aporta coneixement sobre el comportament d’aquests complexos en la formació d’enllaços C-C i/o C-N. En concret, estudiem: i) el mecanisme de reacció a través del qual els complexos de coure co-catalitzen un acoblament oxidant en el context de sistemes bimetàl·lics de rodi i coure; ii) el potencial de nucleòfils de plata com a agents transmetal·lants en reaccions de trifluorometilació catalitzades per pal·ladi; iii) el mecanisme de reacci
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Kanuru, Vijaykumar. "Understanding surface mediated C-C and C-N bond forming reactions." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608956.

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Wolfe, John P. (John Perry) 1970. "Late transition metal catalyzed C-N and C-C bond forming reactions." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9521.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1999.<br>Includes bibliographical references.<br>New methods for the palladium-catalyzed amination of aryl halides are described. Key to these is the development of new catalysts and reaction conditions for these transformations. Initially, P(o-tol)3 ligated palladium catalysts were investigated but gave way to systems that used chelating phosphine ligands which substantially expanded the scope of the catalytic amination methodology. Palladium catalyst systems based on BINAP ((2,2'-diphenylphosphino)-1, 1 '-binaphthyl)
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Brace, Gareth Neil. "Applications of palladium-catalysed C-N bond forming reactions." Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428381.

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Graham, Alan. "New C-C and C-N bond forming reactions mediated by chromium complexation." Thesis, University of Bath, 1996. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.760696.

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Fabris, Massimo <1980&gt. "Innovative green methodologies for C-C, C-N and C-O bond forming reactions." Doctoral thesis, Università Ca' Foscari Venezia, 2011. http://hdl.handle.net/10579/1096.

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In questo lavoro di tesi è riportato l'impiego di alcuni strumenti della Green Chemistry (come la CO2, i liquidi ionici e i dialchilcarbonati) per la messa a punto di metodologie innovative a ridotto impatto ambientale per la formazione di legami C-C, C-N e C-O. Sono state investigate le seguenti reazioni: la metatesi dell'1-ottene catalizzata da sistemi a base di Re ossido, in presenza di CO2 densa come solvente; l'addizione di Michael di nitroalcani e beta-dichetoni a chetoni alfa,beta-insaturi catalizzata da liquidi ionici; la selettiva mono-idrossialchilazione di aniline con la glicerina c
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Pawlikowski, Andrew V. "Developments in late metal-mediated C-N bond forming reactions /." Thesis, Connect to this title online; UW restricted, 2006. http://hdl.handle.net/1773/8489.

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Anderson, Kevin William. "Expanding the substrate scope in palladium-catalyzed C-N and C-C bond-forming reactions." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36255.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2006.<br>Vita.<br>Includes bibliographical references.<br>Chapter 1. The first detailed study of the palladium-catalyzed amination of aryl nonaflates is reported. Use of bulky electron-rich monophosphinobiaryl ligands or BINAP allow for the catalytic amination of electron-rich and -neutral aryl nonaflates with both primary and secondary amines. Using XantPhos, the catalytic amination of a variety of functionalized aryl nonaflates resulted in excellent yields of anilines; even 2-carboxymethyl aryl nonaflate is effective
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Yang, Yang Ph D. Massachusetts Institute of Technology. "New reactivity and selectivity in transition metal-catalyzed C-C and C-N bond forming processes." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101558.

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Thesis: Ph. D. in Organic Chemistry, Massachusetts Institute of Technology, Department of Chemistry, 2015.<br>Cataloged from PDF version of thesis. Volume 1 (page 1 to page 510) ; Volume 2 (page 511 to 881). Duplicated pages for pages 195 to 240 are bound after page 881.<br>Includes bibliographical references.<br>Part I. Palladium-Catalyzed Carbon-Carbon Bond Forming Cross-Couplings Chapter 1. Ligand-Controlled Palladium-Catalyzed Regiodivergent Suzuki-Miyaura Cross-Coupling of Allylboronates and Aryl Halides An orthogonal set of catalyst systems based on the use of two biarylphosphine ligands
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Aoki, Yuma. "Development of Iron-Catalyzed C-N and C-C Bond Forming Reactions toward Functional Arylamine Synthesis." Kyoto University, 2019. http://hdl.handle.net/2433/242518.

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Buchteile zum Thema "C-N bond forming"

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Dana, Suman, M. Ramu Yadav, and Akhila K. Sahoo. "Ruthenium-Catalyzed C−N and C−O Bond-Forming Processes from C−H Bond Functionalization." In C-H Bond Activation and Catalytic Functionalization I. Springer International Publishing, 2015. http://dx.doi.org/10.1007/3418_2015_126.

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Lemen, Georgia S., and John P. Wolfe. "Palladium-Catalyzed sp2 C–N Bond Forming Reactions: Recent Developments and Applications." In Amination and Formation of sp2 C-N Bonds. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/3418_2012_56.

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Wolfe, John P., Joshua D. Neukom, and Duy H. Mai. "Synthesis of Saturated Five-Membered Nitrogen Heterocycles via Pd-Catalyzed CN Bond-Forming Reactions." In Catalyzed Carbon-Heteroatom Bond Formation. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527633388.ch1.

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Kantam, Mannepalli Lakshmi, Chintareddy Venkat Reddy, Pottabathula Srinivas, and Suresh Bhargava. "Recent Developments in Recyclable Copper Catalyst Systems for C–N Bond Forming Cross-Coupling Reactions Using Aryl Halides and Arylboronic Acids." In Amination and Formation of sp2 C-N Bonds. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/3418_2012_58.

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Kannan, Masanam, Mani Sengoden, and Tharmalingam Punniyamurthy. "Transition Metal-Mediated Carbon-Heteroatom Cross-Coupling (C-N, C-O, C-S, C-Se, C-Te, C-P, C-As, C-Sb, and C-B Bond Forming Reactions)." In Arene Chemistry. John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781118754887.ch20.

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Echavarren, A. M., and S. Porcel. "N—C Bond-Forming Reactions." In Quinones and Heteroatom Analogues. Georg Thieme Verlag KG, 2006. http://dx.doi.org/10.1055/sos-sd-028-00529.

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Crawley, M. L. "C—N Bond-Forming Reactions." In Stereoselective Pericyclic Reactions, Cross Coupling, and C—H and C—X Activation. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-203-00254.

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"C—N Bond-Forming Reactions." In Cross Coupling and Heck-Type Reactions 2, edited by Wolfe. Georg Thieme Verlag, 2013. http://dx.doi.org/10.1055/sos-sd-208-00004.

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"6 C–C-bond and C–N-bond forming reactions (metal-catalysed)." In Catalysis for Fine Chemicals. De Gruyter, 2021. http://dx.doi.org/10.1515/9783110571189-006.

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Lu, X. L., B. Wang, and S. Chiba. "1.8 Nitrogen-Centered Radicals." In Free Radicals: Fundamentals and Applications in Organic Synthesis 1. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-234-00146.

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AbstractNitrogen-containing compounds are prevalent in the key components of various functional materials and compounds such as pharmaceutical drugs. Therefore, it is extremely important to develop versatile synthetic methodologies capable of constructing C—N bonds in an efficient manner under milder reaction conditions. Apart from common ionic C—N bond-forming reactions (i.e., nucleophilic and electrophilic amination, as well as transition-metal-catalyzed C—N cross-coupling processes), leveraging of nitrogen-centered radicals for C—N bond-forming process has created another dimension to the modern synthesis of nitrogen-containing compounds. In particular, recent development of novel catalytic strategies and the design of new nitrogen-radical precursors have rendered their generation and use for C—N bond formation more practical and user-friendly for synthesis of wider array of nitrogen-containing compounds of potential use. This chapter highlights the latest developments in synthetic methods for C—N bond construction using nitrogen-centered radicals by showing selected reactions, mostly reported in the last five years, based on their structural and reactivity features as well as the method of radical generation.
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Konferenzberichte zum Thema "C-N bond forming"

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Saigal, Anil, Seneca Jackson Velling, Akash Dhawan, Maria Azcona Baez, Miguel Nocum, and Julia R. Greer. "Fabricating Machine Elements Using Hydrogel-Infused Additive Manufacturing (HIAM)." In ASME 2023 Aerospace Structures, Structural Dynamics, and Materials Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/ssdm2023-107356.

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Abstract Additive manufacturing (AM) of metals can enable rapid development of functional parts of complex geometry, with potential applications in the aerospace, automotive, and biomedical fields [1–3]. Typical metal additive manufacturing techniques are based on expensive laser melting or sintering processes which are often highly anisotropic, limiting the development and use of these methods. Furthermore, few additive manufacturing techniques focus on high temperature materials, ceramics, and fabrication of machine elements. The recent introduction of Hydrogel-Infusion Additive Manufacturin
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