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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Periodic CO and CO2 evolution in the oscillatory Briggs-Rauscher reaction
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Periodic CO and CO2 evolution in the oscillatory Briggs-Rauscher reaction

机译：振荡Briggs-Rauscher反应中的周期性CO和CO2释放

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While various reactions in the inorganic subset of the oscillatory Briggs-Rauscher (BR) reaction were clarified in the recent years, the organic subset of the present mechanisms contains only one process: the iodination of malonic acid. Further organic reactions can play a role, however, if malonic (MA) and iodomalonic (IMA) acids can be oxidized in the BR reaction. As CO2 and CO should be products if such oxidations can take place, the main aim of this work was to learn whether these gases are produced in a significant amount in a BR system. In our BR experiments, a rather intense evolution of both gases was observed with an oscillatory and a nonoscillatory component. With the initial conditions applied here, one from every 6 carbon atoms was oxidized either to CO2 or to CO in the course of the BR reaction. The amount of CO2 was about 4 times higher than that of CO. Experiments are in progress to disclose the reactions which generate the measured gases and their role in the mechanism of the BR reaction.
机译：尽管近年来已经阐明了振荡布里格斯-劳斯（BR）反应的无机子集中的各种反应，但本机制的有机子集仅包含一个过程：丙二酸的碘化。但是，如果可以在BR反应中氧化丙二酸（MA）和碘丙二酸（IMA）酸，则其他有机反应可能会起作用。由于CO2和CO应该是可以发生这种氧化的产物，因此这项工作的主要目的是了解BR系统中是否大量产生了这些气体。在我们的BR实验中，观察到两种气体都有相当剧烈的逸出，并具有振荡和非振荡成分。在此应用初始条件后，在BR反应过程中，每6个碳原子中的一个被氧化为CO2或CO。 CO2的量大约是CO的4倍。正在进行实验以揭示产生被测气体的反应及其在BR反应机理中的作用。

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