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Pressure and pH dependence of the kinetics of decarboxylative dechlorination of N-chloro-l-alanine

✍ Scribed by Michael C. Brown; Jason M. Lepree; Kenneth A. Connors

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 402 KB
Volume: 28
Category: Article
ISSN: 0538-8066
DOI: 10.1002/(sici)1097-4601(1996)28:11<791::aid-kin1>3.0.co;2-i

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✦ Synopsis

The kinetics of decarboxylative dechlorination of N-chloroalanine were studied at 25" in aqueous HCI solutions covering the pH range 1.4 to 2.8. These data were compared with literature results, and were interpreted in terms of first-order reactions of the cationic, uncharged, and anionic forms of the reactant Pressure effect studies on the reaction of the anionic species yielded a volume of activation estimate of + 50 ? 3 cm3 mol-'. This result is consistent with a concerted fragmentation process.

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