Zobrazeno 1 - 10 of 134 pro vyhledávání: '"N. B. Chapman"'
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Nucleophilic displacement reactions in aromatic systems. Part X. Kinetics of the reactions of substituted α-halogenopyridines with aniline, N-methyl-, and N-ethyl-aniline in ethanol or ethyl acetate, and of 1-fluoro-2,4-dinitrobenzene with aniline in various solvents. The influence of basic catalysts
Autor: David Wright, N. B. Chapman, John Shorter, Derek M. Brewis, John S. Paine
Publikováno v: J. Chem. Soc., Perkin Trans. 2. :1787-1801
Rate coefficients for the reactions of 2-chloro- or -fluoro-3- or -5-nitropyridine with N-methylaniline in ethanol at 80° and for the reactions of 2-chloro-3-cyano- or 3-cyano-2-fluoro-5-nitropyridine with aniline, N-methyl-, or N-ethyl-aniline in e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b6700dbe743c03cf0f6f83b49ce42cd1
https://doi.org/10.1039/p29740001787
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4
The preparation and properties of cage polycyclic systems—III
Autor: N. B. Chapman, J. R. Bell, K. J. Toyne
Publikováno v: Tetrahedron. 31:1683-1688
The synthesis of some acetals derived from pentacyclo[5.3.0.0 2,5 .0 3,9 .0 4,8 ]decane is described. The reductive cleavage of an ethylenedioxy group Download full-size image and a dimethoxy group Download full-size image in pentacyclo[5.3.0.0 2,5 .
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea84653b6eabc954a5aca9db11540993
https://doi.org/10.1016/0040-4020(75)85087-3
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5
The Efficiency of Automated Multipurpose Machines for the Dyeing of Nylon Hose
Autor: N. B. Chapman, S. M. Jaeckel, P. H. Stubbs
Publikováno v: Journal of the Society of Dyers and Colourists. 92:191-197
Water is only one aspect of utilization of services: steam consumption, rate of processing, and effects on shade reproducibility are others. Extensive savings in water consumption, cycle time, and chemicals are claimed for automated machines in the d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8986d92a837c14d2292647ed54b30d9
https://doi.org/10.1111/j.1478-4408.1976.tb03287.x
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9
An improved synthesis of substituted benzo[b]thiophen-2-carboxylic acids and related acids
Autor: K. Clarke, N. B. Chapman, P. M. Chakrabarti
Publikováno v: Tetrahedron. 25:2781-2785
The oxidative cyclization of β-Aryl-α-mercaptoacrylic acids with chlorine in dry carbon tetrachloride rapidly gives the corresponding benzo[ b ]thiophen-2-carboxylic acids in high yield. This process is a considerable improvement on processes previ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a437f9555a3946953d59c5d9e884d7d2
https://doi.org/10.1016/0040-4020(69)80021-9
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