Reactions of iodomalonic acid, diiodomalonic acid, and other organics in the briggs-rauscher oscillating system

Stanley D. Furrow; David J. Aurentz

doi:10.1021/jp911492f

Reactions of iodomalonic acid, diiodomalonic acid, and other organics in the briggs-rauscher oscillating system

Stanley D. Furrow, David J. Aurentz

Division of Science (Berks)

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

It was found that oxalic acid is one of the main products in the Briggs-Rauscher oscillating reaction. In nonoscillating solutions, oxidation of iodomalonic acid and/or diiodomalonic acid by Fenton-type reactions also produced oxalic acid as well as I₂. Mesoxalic acid yielded oxalic acid under similar conditions. Tartronic acid was nearly inert to Fenton-type reactions; however, tartronic acid was oxidized by iodate and iodine to mesoxalic acid, which in turn could form oxalic acid in the presence of H ₂O₂ plus catalyst. Iodotartronic acid appeared to be a short-lived but significant intermediate, thus both tartronic acid and mesoxalic acid are possible intermediates. Glycolic acid and glyoxylic acid are not intermediates in the oxidation of iodomalonic acid, since they in turn produce formic acid under similar nonoscillating conditions.

Original language	English (US)
Pages (from-to)	2526-2533
Number of pages	8
Journal	Journal of Physical Chemistry A
Volume	114
Issue number	7
DOIs	https://doi.org/10.1021/jp911492f
State	Published - Feb 25 2010

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry

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10.1021/jp911492f

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title = "Reactions of iodomalonic acid, diiodomalonic acid, and other organics in the briggs-rauscher oscillating system",

abstract = "It was found that oxalic acid is one of the main products in the Briggs-Rauscher oscillating reaction. In nonoscillating solutions, oxidation of iodomalonic acid and/or diiodomalonic acid by Fenton-type reactions also produced oxalic acid as well as I2. Mesoxalic acid yielded oxalic acid under similar conditions. Tartronic acid was nearly inert to Fenton-type reactions; however, tartronic acid was oxidized by iodate and iodine to mesoxalic acid, which in turn could form oxalic acid in the presence of H 2O2 plus catalyst. Iodotartronic acid appeared to be a short-lived but significant intermediate, thus both tartronic acid and mesoxalic acid are possible intermediates. Glycolic acid and glyoxylic acid are not intermediates in the oxidation of iodomalonic acid, since they in turn produce formic acid under similar nonoscillating conditions.",

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T1 - Reactions of iodomalonic acid, diiodomalonic acid, and other organics in the briggs-rauscher oscillating system

AU - Furrow, Stanley D.

AU - Aurentz, David J.

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N2 - It was found that oxalic acid is one of the main products in the Briggs-Rauscher oscillating reaction. In nonoscillating solutions, oxidation of iodomalonic acid and/or diiodomalonic acid by Fenton-type reactions also produced oxalic acid as well as I2. Mesoxalic acid yielded oxalic acid under similar conditions. Tartronic acid was nearly inert to Fenton-type reactions; however, tartronic acid was oxidized by iodate and iodine to mesoxalic acid, which in turn could form oxalic acid in the presence of H 2O2 plus catalyst. Iodotartronic acid appeared to be a short-lived but significant intermediate, thus both tartronic acid and mesoxalic acid are possible intermediates. Glycolic acid and glyoxylic acid are not intermediates in the oxidation of iodomalonic acid, since they in turn produce formic acid under similar nonoscillating conditions.

AB - It was found that oxalic acid is one of the main products in the Briggs-Rauscher oscillating reaction. In nonoscillating solutions, oxidation of iodomalonic acid and/or diiodomalonic acid by Fenton-type reactions also produced oxalic acid as well as I2. Mesoxalic acid yielded oxalic acid under similar conditions. Tartronic acid was nearly inert to Fenton-type reactions; however, tartronic acid was oxidized by iodate and iodine to mesoxalic acid, which in turn could form oxalic acid in the presence of H 2O2 plus catalyst. Iodotartronic acid appeared to be a short-lived but significant intermediate, thus both tartronic acid and mesoxalic acid are possible intermediates. Glycolic acid and glyoxylic acid are not intermediates in the oxidation of iodomalonic acid, since they in turn produce formic acid under similar nonoscillating conditions.

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Reactions of iodomalonic acid, diiodomalonic acid, and other organics in the briggs-rauscher oscillating system

Abstract

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