Synthesis of Methyl 3-Hydroxypropanoate by Hydroesterifi- cation of Ethylene Oxide over Dicobalt Octacarbonyl Catalyst

(整期优先)网络出版时间:2012-04-14
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Methyl3-hydroxypropanoatewassynthesizedviahydroesterificationofethyleneoxidewithCOinthepresenceofdicobaltoctacarbonylcatalystandmethanolsolvent.Thecatalystexhibitedhighcatalyticactivity.Theeffectofreactiontemperature,COpressure,methanoldosage,catalystdosageandreactiontimeoncatalyticreactionwasinvestigated.Thetestresultsrevealedthatthisreactionwasgreatlyaffectedbyreactiontemperature,butitwasnotsignificantlyaffectedbytheCOpressure,themethanoldosage,thecatalystdosageandthereactiontime.Undertheoptimalconditions,theconversionofethyleneoxidewasequalto92.24%,whiletheselectivityandyieldofmethyl3-hydroxypropanoatereached88.99%and84.35%,respectively.