N-H bond activation
Investigations of C-H and N-H activation with electron deficient iridium pincer complexes
... and N-H bond activation provide a potential method for functionalizing hydrocarbons and ...to activation of these bonds continues to be a significant ...6 H 3 (PCP) ligand and by ...
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C-N bond activation and ring opening of a saturated N heterocyclic carbene via lateral alkali-metal-mediated metallation (AMMM)
... the activation of SIMes to give the anionic group present in 1 and 2 is unprecedented, it should be noted that investigations on other ring expanded carbenes containing N-mesityl substituents lead to the ...
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Ligand Design for the Synthesis of Reactive Nickel(0) Complexes Capable of Inert Bond Activation: Carbon-Fluorine and Carbon-Hydrogen Bond Activation and Catalytic Functionalization
... C–F Bond Activation: Prospects for the Synthesis of Fluorine-Containing Pharmaceuticals” (Johnson, ...C–F bond for the manuscript, as well as obtained numerous literature references included in the ...
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Low coordinate iridium NHC complexes derived from selective and reversible C–H bond activation of fluoroarenes
... 6 (a) A. S. Romanov and M. Bochmann, Organometallics, 2015, DOI: 10.1021/om501211p; (b) J. C. DeMott, N. Bhuvanesh and O. V. Ozerov, Chem. Sci., 2013, 4, 642–649; (c) P. Lu, T. C. Boorman, A. M. Z. Slawin and I. ...
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Part I: Asymmetric Synthesis of α-Allyl-α-Aryl α-Amino Acids Part II: Asymmetric Spirocyclization of Allenyl Ketones Part III: Chemoselective Activation of C(sp3)−h Bond Over C(sp2)−h Bond With Pd(II)
... of N-substituted α-amino acids is an important field of research in chemistry and ...biology. N-Alkylation of α-iminoesters requires a reversal of polarity of the imine group (Figure ...double bond ...
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Tuning the Reactivity of Terminal Nickel(III)?Oxygen Adducts for C?H Bond Activation
... 19. (a) Colpas, G. J.; Maroney, M. J.; Bagyinka, C.; Kumar, M.; Willis, W. S.; Suib, S. L.; Mascharak, P. K.; Baidya, N., Inorg. Chem. 1991, 30 , 920-928; (b) Kundu, S.; Pfaff, F. F.; Miceli, E.; Zaharieva, I.; ...
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Iridium(I)-catalyzed regioselective C[BOND]H activation and hydrogen-isotope exchange of non-aromatic unsaturated functionality
... [1] For selected recent reviews, see: a) L. Ackermann, Chem. Rev. 2011, 111, 1315-1345; b) J. Wencel-Delord, T. Dröge, F. Liu, F. Glorius, Chem. Soc. Rev. 2011, 40, 4740-4761; c) S. H. Cho, J. Y. Kim, J. Kwak, S. ...
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Cooperative Bond Activation by an Electron-Deficient Pentanuclear Nickel Hydride Cluster
... of n-pentane was cooled to –40 °C along with a separate solution of approximately 1 equivalent of: a) n-butanol (2 mg, ...e) N,N dimethyl formamide (2 mg, ...mmol); h) benzyl chloride ...
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Mechanisms of C H Bond Activation by Platinum(II)
... of n-butane (which has a small statistical advantage, relative to higher alkanes, for initial coordination and cleavage of primary C–H bonds) is consistent with this ...
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Synthesis and Reactivity of Ruthenium Alkyl and Aryl Complexes and Their Application towards Aromatic C-H Bond Activation and Olefin Hydroarylation
... Zakrzewski, V. G.; MontgomeryJr., J. A.; Stratmann, R. E.; Burant, J. C.; Dapprich, S.; Millam, J. M.; Daniels, A. D.; Kudin, K. N.; Strain, M. C.; Farkas, O.; Tomasi, J.; Barone, V.; Cossi, M.; Cammi, R.; ...
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Selectivity of C-H activation and competition between C-H and C-F bond activation at fluorocarbons
... C-H activation product is observed while if water is added the C-F, C-H activation product is formed ...C-F bond activations but trifluoroethylene prefers coordination to the two ...
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Metallaboratrane Facilitated E‒H Bond Activation and Hydrogenation Catalysis
... (71) Selected examples C‒H activation by cobalt complexes: (a) Klein, H.-F.; Camadanli, S.; Beck, R.; Leukel, D.; Flörke, U. Angew. Chem. Int. Ed. 2005, 44, 975-977; (b) Yoshino, T.; Ikemoto, ...
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Organometallic Reaction Mechanisms: Olefin Polymerization Catalysis and C H Bond Activation by Early Transition Metal Bisphenolate Complexes and Protonolysis of Bipyrimidine Platinum Methyl Complexes
... Cambridge Isotope. Chemical shifts were reported using the residual solvent signal. Analysis by GC-MS was carried out on an HP 5890 Series II gas chromatograph connected to an HP 5972 mass spectrometric detector. A 60 m ...
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C N bond formation in the reaction of nitrogen ions N+ with benzene molecules
... Although we make no direct determination of the neutral partners formed at the same time as the detected ionic species, we are able to deduce, at least in part, the contributing reaction channels from analysis of the ...
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N,N′ Bis(isonicotinoyl)hydrazine dihydrate at 120 (2) K: a three dimensional framework built from N—H⋯O, O—H⋯O, O—H⋯N and C—H⋯O hydrogen bonds
... Within the selected asymmetric unit of (I), the molecular components are linked by a combination of N—H O and C—H O hydrogen bonds (Table 2). The resulting three- molecule aggregate (Fig. 1) can then ...
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The (C H) bond dissociation energy in the methyl group of toluene
... A, kinetic study of the pyrolysis of toluene by a flow technique has been made, and assuming Szwarc's mechanism, two activation energies (78.3 and 84 kcal/mole depending on the temperature range used) have been ...
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Catalytic C–H Bond Functionalization by Nickel(0) N-Heterocyclic Carbene Complexes: Influence of Ligand Sterics on Selective Silylation
... 2.(a) Ackermann, L., Chem. Rev. 2011, 111, 1315-1345; (b) Alberico, D.; Scott, M. E.; Lautens, M., Chem. Rev. 2007, 107, 174-238; (c) Arockiam, P. B.; Bruneau, C.; Dixneuf, P. H., Chem. Rev. 2012, 112, 5879-5918; ...
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Carbon Hydrogen Bond Activation by Peralkylhafnocene and Peralkylscandocene Derivatives
... l11 Studies of the thermal decomposition of early transition metal complexes containing cis hydride and alkyl ligands are rare, a notable exception being the elimination of isobutane fro[r] ...
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14 n Butyldibenz[a,h]acridine
... Like dibenz[a,h]anthracene, the title compound has a monoclinic crystal structure. However, the presence of the alkyl chain completely changes the molecular packing, leading to a different space group and cell ...
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Bond activation by nitrogen ligated Pt(II)_Pt(IV) complexes
... Pt-P bond after methylation at phosphorus, likely due to the fact that that bond can now be considered a dative bond made using the lone pair on the ...
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