• synthesis of ethyl-6-aminohexanoate from caprolactam and ethanol in near-critical water

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1014
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the reaction between caprolactam and ethanol was performed in near-critical water. the primary product (ethyl-6-aminohexanoate) was identified by gc-ms. the influences of the reaction temperature, residence time, initial ratio (reactant/water), ph, and additives on the yields of ethyl-6-aminohexanoate are discussed. the results showed that the yield of ethyl-6-aminohexanoate could be as high as 98 % with sncl2 as an additive in near-critical water. at the same time, the reaction between caprolactam and ethanol was estimated by a lumped kinetic equation as a second-order reaction in near-critical water, and the activation energy was evaluated according to the arrhenius equation under acidic and basic conditions. based on the results, the reaction mechanism between caprolactam and ethanol in near-critical water is proposed.

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