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of 97
pro vyhledávání: '"BRIAN G. GOWENLOCK"'
PES bands due to ionization from n*, n and π orbitals of the NO group in some aliphatic nitroso compounds have been identified. In nitrosobenzene derivatives only the n*(NO) band can be assigned unequivocally. Substituent effects on the ionization e
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Publikováno v:
Tradition and Discovery: The Polanyi Society Periodical. 34:31-43
Autor:
Brian G. Gowenlock, Thomas R. Sharpe
Publikováno v:
Synthesis. 2006:1991-1994
The reaction of nitrosyl benzoate with tetrasubstituted alkenes at 0 °C produces monomeric C-nitroso compounds in high yields. Similarly, the reaction of dinitrosyl terephthalate with 2,3-dimethylbut-2-ene affords a monomeric dinitroso compound. Ext
Publikováno v:
Chemical Reviews. 104:3315-3340
The discovery of important roles of C-nitroso compounds in various biological metabolic processes has generated a renewed interest in the general chemical properties of nitrosoalkanes (R–N=O; R =alkyl) and nitrosoarenes (ArNO; Ar =aryl), two import
Autor:
John C. Bevington, Brian G. Gowenlock
Publikováno v:
Biographical Memoirs of Fellows of the Royal Society. 48:289-308
Sir Harry Melville was a physical chemist with an international reputation for his studies of gas-phase and heterogeneous reactions, polymerizations and polymer properties; much of this work was characterized by the development of analytical techniqu
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1904-1911
A series of mono- and di-methyl substituted p-nitrosoanisoles was synthesised either by direct nitrosation of the anisoles with NO+HSO4− or by mild oxidation (H2O2–Mo catalyst) of the appropriate amines. The nature of these compounds in solution
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 105:353-355
The 13C NMR spectra of a wide range of monomeric para-substituted nitrosobenzenes have been determined and the results related to a wide range of published data for other para-disubstituted benzenes. It is shown that the nitroso substituent exercises
Autor:
Giuseppe Mele, Mark J. Maidment, Michael B. Hursthouse, Keith G. Orrell, Vladimir Šik, K.M. Abdul Malik, Brian G. Gowenlock, Giuseppe Vasapollo
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :2280-2286
2-Nitrosopyridine, 1, 3-methyl-2-nitrosopyridine, 2, and 4-methyl-2-nitrosopyridine, 3, exist in organic solvents as monomer–azodioxy dimer equilibria with the dimers predominating at ambient temperatures. In the case of compounds 1 and 3 only the
Publikováno v:
Polyhedron. 17:3495-3500
σ N -Coordinated compounds [PtCl 3 (4-X-C 6 H 4 NO)] - K + have been prepared and studied by 13 C NMR spectroscopy and by variable temperature 1 H NMR spectroscopy. It is shown that the anomalous behaviour of the NO group on the 13 C chemical shifts
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :797-804
Energy barriers associated with rotation of nitroso groups in monomeric nitrosobenzene and eleven monomeric substituted nitrosobenzenes in solution have been measured by total 1H NMR bandshape analysis. ΔG ‡ (298.15 K) values for the rotations are