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三相相間轉移觸媒在電合成異戊酸及異丁酸之應用

Application of Poly Triphase Catalyst (PTPC) on Electrosynthesis of Isobutyric Acid and Isovaleric Acid

摘要


在硫酸酸性Cr(VI)氧化媒質中,以三相相間轉移觸媒(PTPC)為相間轉移觸媒,使異戊醇、異丁醇分別氧化合成異戊酸、異丁酸。在上述氧化反應過程中,PTPC和氧化媒質Cr(VI),都能循環(再生)使用。降低了消耗,消除了污染。研究了可行的製備流程和製備條件,在最佳製備條件下,產率大於90%。

並列摘要


Isobutyric acid ( or isovaleric acid) has been synthesized by oxidation of isobutyl alcohol ( or isopentyl alcohol) using Mr-PTEBAS or Mr-PTBBAS as phase transfer cata lyst ( PTPC ) in su lfuric acid acid ity Cr(VI) oxidating medium. The PTPC was retrieved. and the oxidant Cr(VI) was obtained electrolytically from Cr( III ) salt solution resulted from above oxidation reaction . The tech nological condit ions have been researched, on the optimum condi tions, the yield is more tha n 90%.

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