Research on the Autoxidation Oscillating Reaction of Aldehydes

Abstract

Abstract: The autoxidation oscillating reaction of aldehydes in the mixed solvent of acetic acid and water(V/V=9:1)with the catalyts of Co²⁺ and Br^- as been studied.We found that the autoxidation of some substituted benzaldehydes and many aliphatic aldehydes could oscillate under proper conditions.We studied the effect of kinetic constraints of benzaldehyde, butyraldehyde and acetaldehyde on the period of oscillation in detail.The relativemechanism involving 14elementary reactions, is proposed as shown in Table 2.According to this model, the oscillating periods calculated by Gear's method are in the main accordance with the experimental results.

Key words: Chemical oscillation, Aldehyde, Autoxidation, Mechanism, Simuiation

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SONG Xue-Yu, ZHANG Yi-Xue, JIAO Nian-Xin, CUI Jian-Xia, YANG Xiao-Ping, SHANG Zhen-Feng, MA Ke-Qin, ZHAO Hong-Xi, ZANG Ya-Ru, ZHAO Xue-Zuang. Research on the Autoxidation Oscillating Reaction of Aldehydes[J]. Chem. J. Chinese Universities, 1994, 15(6): 840.

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Research on the Autoxidation Oscillating Reaction of Aldehydes

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