C-H functionalization
C–H functionalization for hydrogen isotope exchange
... The wide range of applications involving hydrogen isotopes makes their installation an important and continuing challenge to synthetic chemists. Despite the apparent simplicity of the transformation, hydrogen isotope ...
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A first example of cobalt catalyzed remote C H functionalization of 8 aminoquinolines operating through a single electron transfer mechanism
... new C-H functionalization protocols based on inexpensive cobalt catalysts is currently attracting significant ...the functionalization of 8-aminoquinoline compounds and found to operate ...
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Radical-mediated C–H functionalization : a strategy for access to modified cyclodextrins
... the C–H functionalization with respect to the other positional isomers, we carried out the process with the corresponding diol in a more simple and conformationally flexible molecule such as the ...
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One carbon oxidative annulations of 1,3 enynes by catalytic C–H functionalization and 1,4 rhodium(III) migration
... catalytic C–H functionalization, see: a) ...Gandeepan, C.-H. Cheng, Chem. Asian. J. 2015, 10, 824-838. c) ...281-295. h) ...
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A Facile synthesis of substituted quinolines by NaH mediated benzylic C H functionalization of methyl aza arenes and nucleophilic addition to aromatic aldehydes
... direct C-H functionalization by forming a C-C bond provides input for building of more complex molecules from simple ...-H functionalization using transition metal ...
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Methodological Developments and Synthetic Applications of Strained Rings and Allylic C-H Functionalization of Hindered Substrates
... In a nitrogen-filled glovebox, a flame-dried Schlenk bomb was charged with tetrakis(triphenylphosphine)palladium(0) (30 mg, 0.03 mmol, 0.02 equiv). The bomb was sealed, removed from the glovebox, and placed under an ...
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Benzimidazolyl Palladium Complexes as Highly Active Bifunctional Catalysts for Sustainable Cross-Coupling, C–H Functionalization and Hyperpolarization, and Approach to Light-mediated Fluoroethylation of Heteroarenes.
... Donner, C.; Brunner, H. Adv. Synth. Catal. 2010, 352, 1983-1992 . (c) Alt, ...Pietraszuk, C.; Marciniec, B. J. Mol. Catal. A: Chem. 2006, 254, 58-63. (h) Borate, ...
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Han, Wei (2011): Iron and Palladium Catalyzed C-H Functionalization. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... at C-8 are of interest as potent and selective antagonists at human adenosine receptors and have therefore been the targets of recent metal-catalyzed direct ...
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Contra-thermodynamic hydrogen atom abstraction in the selective C−H functionalization of trialkylamine N‑CH3 groups
... (45) (a) Hohenberg, P.; Kohn, W. Phys. Rev. 1964, 136, B864−B871. (b) Kohn, W.; Sham, L. J. Phys. Rev. 1965, 140, A1133−A1138. (c) Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. ...
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Rizzo, Antonio (2018): Toward (−)-enterocin: evolution of a serial C−H functionalization strategy. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... 1 H NMR signal were generally absent led us to consider that the rigidity imparted to the system by the lactone might have prevented the substrate from adopting a reactive conformation, therefore leading to ...
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Synthesis of spirocyclic enones by rhodium catalyzed dearomatizing oxidative annulation of 2 alkenylphenols with alkynes and enynes
... In summary, we have developed a catalytic C–H functionalization method for the dearomatizing spiroannulation of 2-alkenylphenols with alkynes and enynes. The process exhibits good generality, leading ...
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Synthesis and optoelectronic properties of benzoquinone based donor acceptor compounds
... (48 h) were re- ...direct C–H functionalization method utilized in Scheme 2 (since the selec- tivity for difunctionalization is dependent on the electronics of the substituent added to BQ) ...
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Towards a Sequential One Pot Preparation of 1,2,3 Benzotriazin 4(3H) ones Employing a Key Cp*Co(III) catalyzed C H Amidation Step
... of C-N bonds is one of the most important, yet challenging, transformations in synthetic organic ...direct C-H functionalization, [4] much attention is now beginning to focus on the ...
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Synthesis and Characterization of Iridium Acetate Complexes for the Activation and Functionalization of C-H Bonds.
... ortho-C-H functionalization reactions have been well developed with carboxylic acids and their derivatives such as benzoic acids, 2a, 4, 6 which contain an O-H group and benzamides which ...
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Catalytic C–H Bond Functionalization by Nickel(0) N-Heterocyclic Carbene Complexes: Influence of Ligand Sterics on Selective Silylation
... catalyzed C–H ...of C–H silylation which have been the topic of several ...aryl C–H bonds: Intramolecular, directed intermolecular, and undirected ...Intramolecular C– ...
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Selectivity of C-H activation and competition between C-H and C-F bond activation at fluorocarbons
... random C-H bond, followed by ring-walking to the preferred ...The C-F activation reaction has a free energy of activation that is estimated to be ...for C-H activation at 298 K. ...
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Fabrication of Anti human Cardiac Troponin I Immunogold Nanorods for Sensing Acute Myocardial Damage
... In this letter, we describe a convenient and rapid method for human cTnI detection in solution using anti-human cTnI immunogold NRs. The sensing was based on changes of longitudinal LSPR band induced by specific ...
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ALUminating the path of atherosclerosis progression: chaos theory suggests a role for Alu repeats in the development of atherosclerotic vascular disease
... NF-B nuclear factors (RelA, RelB, c-Rel) bind to the consensus B site (5’- GGGRNYYYCC-3’) in the promoters or enhancers of target genes [123]. Much interestingly, NF-B has been shown to also bind to many ...
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One step mechanosynthesis of graphene oxide directly from graphite
... Along with the aforementioned, signals we also observe a number of signals with high intensities. At 15.96°, 17.5°, 21.13°, 29.17°, 28.67° in 2 -theta. We discard them being due to contamination from the degradation of ...
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2,4 Dichlorophenyl 4 toluenesulfonate: supramolecular aggregation through C—H⋯O, C—H⋯Cl, C—H⋯π and π⋯π interactions
... aggregation is completed by the presence of an intramolecular CÐH interaction (Table 2). The geometry of the CÐ H interaction was obtained from PLATON (Spek, 1998); Cg2 is the centroid of the 2,4-dichlorophenyl ...
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