Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Panicos Hadjigeorgiou"'
2
Electrophilic aromatic substitution. Part 24. The nitration of isopropylbenzene, 2- and 4-isopropyltoluene, 1-chloro-4-isopropylbenzene, 4-isopropylanisole, and 2-bromotoluene: nitrodeisopropylation
Autor: Robert G. Coombes, Roy B. Moodie, Geoffrey D. Tobin, Panicos Hadjigeorgiou, Kenneth Schofield, Ajay K. Manglik
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :1606
The kinetics and products of nitration in aqueous sulphuric acid of the title compounds have been studied. 4-Isopropyl-phenol and -anisole are nitrated at or near the encounter rate. In 65–79% H2SO4 2-isopropyltoluene suffers ca. 25%ipso-attack; th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7cc53033739db20de715eded7eb01e7
https://doi.org/10.1039/p29800001606
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3
Aromatic sulphonation. Part 91. The sulphonation of anisole, phenol, phenyl methanesulphonate, potassium phenyl sulphate, and a series of methyl-, bromo-, and chloro-substituted anisoles and phenols in concentrated aqueous sulphuric acid
Autor: Hans J. A. Lambrechts, Panicos Hadjigeorgiou, Zwaan R. H. Schaasberg-Nienhuis, Robert G. Coombes, Geoffrey P. Tucker, Hans Cerfontain
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :659
The (homogeneous) sulphonation of a number of aromatic ethers and alcohols, viz. anisole (1), 3- methyl-(2), 4-methyl-(3). 2-bromo-(4), 4-bromo-(5), 2-chloro-(6), and 4-chloro-anisole (7), phenol (8), 2-methyl-(9), 3-methyl-(10), 4-methyl-(11), 4-bro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7552763f406c1bef9e39d9e89f4f3db
https://doi.org/10.1039/p29850000659
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4
Electrophilic aromatic substitution. Part 23. The nitration of phenol and the cresols in aqueous sulphuric acid
Autor: Robert G. Coombes, Panicos Hadjigeorgiou, John G. Golding
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2. :1451
The quantitative mononitration of phenol and o-, m-, and p-cresol by nitric acid in 58–80% sulphuric acid involves reaction with the nitronium ion at or very close to the encounter-controlled rate. For phenol the o : p ratio changes smoothly from 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d83f0ac6e47b71c2cb4fca109eeb1d0
https://doi.org/10.1039/p29790001451
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8
Akademický článek
Electrophilic aromatic substitution. Part 23. The nitration of phenol and the cresols in aqueous sulphuric acid.
Autor: Coombes, Robert G., Golding, John G., Hadjigeorgiou, Panicos
Publikováno v: Journal of the Chemical Society, Perkin Transactions 2 (03009580); Oct1979, Issue 10, p1451-1459, 9p
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9
Elektronická kniha
Process Chemistry in the Pharmaceutical Industry
Autor: Kumar Gadamasetti
Providing guidance for chemists and other scientists entering pharmaceutical discovery and development, this up-to-the-minute reference presents contributions from an international group of nearly 50 renowned researchers-offering a solid grounding in
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