Zobrazeno 1 - 10 of 48 pro vyhledávání: '"E. G. E. Hawkins"'
1
Autoxidation of olefins
Autor: E. G. E. Hawkins, D. C. Quin
Publikováno v: Journal of Applied Chemistry. 6:1-11
Olefins of various structures have been oxidized with oxygen at 85–125°, generally in the presence of mild alkali and a catalyst, and the products examined. These products were complex mixtures and appeared to have been derived from attack at seve
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f54353a3b38f5b21f7427f3cea8a1657
https://doi.org/10.1002/jctb.5010060101
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2
Bromomethoxybenzoic acids and bromoanisoles: Demethylation and decarboxylation
Autor: E. G. E. Hawkins
Publikováno v: Journal of Applied Chemistry. 6:125-130
Attempts to demethylate and decarboxylate various bromomethoxybenzoic acids in one stage led either in incomplete reaction with some acids or to rearrangement and debromination, depending on the catalysts used; a two-stage reaction, using hydriodic a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa13858530a294aba3a3c21c715fd04e
https://doi.org/10.1002/jctb.5010060401
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3
Degradation of novolak resins
Autor: E. G. E. Hawkins
Publikováno v: Journal of Applied Chemistry. 6:131-139
An attempt has been made to determine the structure of novolak resins by controlled degradation involving the steps: bromination, methylation of the phenolic groups, oxidation to polyketones, cleavage of the polyketones to bromoacids and bromoanisole
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f77eb272bdaf56780738dcc672885717
https://doi.org/10.1002/jctb.5010060402
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4
Dinuclear novolaks from m- and p-cresol
Autor: E. G. E. Hawkins, L. E. A. Godfrey, P. A. Jenkins
Publikováno v: Journal of Applied Chemistry. 7:440-446
The six two-ring novolaks theoretically obtainable from m-cresol and formaldehyde have been synthesized and the three dinuclear novolaks involving one molecule each of m-cresol and p-cresol have been prepared. The uniformity of each product is confir
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0ee1118a17666999da2824850743674
https://doi.org/10.1002/jctb.5010070805
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9
Les spectres de RMN. et de masse de quelques dérivés chlorés du méthylbutane et de substances avoisinantes
Autor: B. Willhalm, M. Stoll, E. G. E. Hawkins, Alan F. Thomas
Publikováno v: Helvetica Chimica Acta. 46:2098-2106
The NMR. and mass spectra of some chlorinated methylbutenes, methylbutanes and related substances derived from isobutane have been measured. Plausible mechanisms for the principal fragmentation processes have been obtained by deuteration studies.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8427fe38c94cc561743e63ad5f894569
https://doi.org/10.1002/hlca.19630460627
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