Kinetics of the bromination of some aromatic amines in aqueous perchloric acid
Journal of the Chemical Society B: Physical Organic, ISSN: 0045-6470, Page: 1057-1060
1969
- 4Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations4
- Citation Indexes4
- CrossRef2
Article Description
The rates of bromination of 2,6-diethylaniline, 2,4-dimethylaniline, 2,6-dichloroaniline, and 2,4-dichloroaniline have been measured over a wide range of acidities in aqueous perchloric acid, and that of 4-bromo-N- dimethylaniline in aqueous sulphuric acid. The effect of bromide ion concentration at constant acidity was also studied for the four primary amines. The inverse acidity dependence follows either H or H ‴ according to whether the amine is primary or tertiary, and for 4-bromo-N-dimethylaniline there is an additional inverse dependence upon the water activity. The effect of bromide ion concentration shows that at low bromide-ion concentrations the rate-determining step for the primary amines is the reaction between molecular bromine and undissociated amine. At higher bromide-ion concentrations the decomposition of the Wheland intermediate becomes partially rate-determining.
Bibliographic Details
Royal Society of Chemistry (RSC)
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