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US08173845B2 Process for producing 3-methylthiopropanal 有权
3-甲硫基丙醛的制备方法

Process for producing 3-methylthiopropanal
Abstract:
A process is provided capable of producing 3-methylthiopropanal with subgeneration of high-boiling impurities being favorably inhibited. The process for producing 3-methylthiopropanal, includes reacting acrolein with methylmercaptan in the presence of a triallylamine compound represented by the formula (I): wherein each of R1 to R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. The reaction of acrolein with methylmercaptan is preferably performed further in the presence of an organic acid. The triallylamine compound represented by the formula (I) is preferably used in an amount of from 0.01 to 1.0 mol based on one mole of the organic acid and in an amount of from 0.1 to 2.0 mmoles based on one mole of methylmercaptan.
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