第53卷精细化工中间体纳米金/香草醇基介孔碳催化剂在苯甲醇氧化中的应用王倩芳1,2,肖佳1,2,张平秀1,2,何婧1,2,喻宁亚1,2*(1.湖南师范大学化学化工学院,湖南长沙410081;2.石化新材料与资源精细利用国家地方联合工程实验室,湖南长沙410081)摘要:以木质素降解产物香草醇替代苯酚,合成中加入金前驱体和稳定剂,在模板剂F127(EO106PO70EO106)存在下,一步法合成了具有蠕虫状孔道结构的纳米金/香草醇基介孔碳催化剂。催化剂催化氧化苯甲醇性能良好。优化条件为:催化剂用量25mg,苯甲醇1mmol,碳酸钾用量2mmol,水用量5mL,反应温度100℃,反应时间6h。优化条件下,苯甲醇转化率为98.4%,苯甲酸选择性为98.0%。催化剂重复使用4次,其催化性能基本保持不变。关键词:金纳米粒子;香草醇;介孔碳;苯甲醇;氧化中图分类号:O621.25+4文献标志码:A文章编号:1009-9212(2023)01-0072-07DOI:10.19342/j.cnki.issn.1009-9212.2023.01.015CatalyticApplicationofAu/VanillylAlcohol-basedMesoporousCarboninOxidationofBenzylAlcoholWANGQian-fang1,2,XIAOJia1,2,ZHANGPing-xiu1,2,HEJing1,2,YUNing-ya1,2*(1.CollegeofChemistryandChemicalEngineering,HunanNormalUniversity,Changsha410081,China;2.National&LocalJointEngineeringLaboratoryforNewPetro-chemicalMaterialsandFineUtilizationofResources,Changsha410081,China)Abstract:Usingvanillylalcohol,beingoneofdegradationproductsoflignin,asasubstitutionforphenol,Aunanoparticle/mesoporouscarboncompositecatalystswithworm-likemesostrucsturewerepreparedviaanone-potprocedureinvolvingin-situadditionofAuprecursorandstabilizerinthepresenceoftemplateofF127(EO106PO70EO106).Theresultantcatalystsshowedgoodcatalyticperformanceinaerobicoxidationofbenzylalcohol.Underoptimalreactionconditions(25mgofcatalyst,1mmolofbenzylalcohol,2mmolofK2CO3,5mLofwater,100℃,6h),theconversionofbenzylalcoholandtheselectivitytobenzoicacidwereashighas98.4%and98.0%,respectively.Inaddition,theabovecatalystcouldbeusedfor4timeswithoutsignificantlossofcatalyticactivity.Keywords:Aunanoparticle;vanillylalcohol;mesoporouscarbon;benzylalcohol;oxidation作者简介:王倩芳(1998—),女,河南濮阳人,研究方向:有机催化(E-mail:3297795403@qq.com)...