硝酸铜氧化安息香制备苯偶酰.pdf

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1、!"!!!!!!"!研究快报!PREPARATIONOFBENZILBYOXIDIZING"!!!!!!"!BENZOINWITHCUPRICNITRATEWENRuiming（文瑞明），DINGLiangzhong（丁亮中），LUOXinxiang（罗新湘）andYUShanxin（俞善信）（DepartmentofChemistry，HunanCityUniuersity，Yiyang413049，Hunan，China）CLCnumberO625.42DocumentcodeAArticieID0438-1157（2003）01-0135-02Key

2、wordsbenzii，benzoin，cupriccompound，cupricnitrate，oxidationINTRODUCTION1EXPERIMENTALBenziiisanimportantphotosensitiveinitiatoroforganic1.1Reagentsandinstrumentssynthesisintermediates，medicinaiintermediatesandPhCHOHCOPh，Cu（NO3）2·2H2O，CuSO4·5H2O，Cuuitravioietsoiidifiedresin（UVresin），

3、andisusuaiiy（CH3COO）2·H2O，CuCi2·2H2O，C（uOH）2·CuCO3，preparedbyoxidizingbenzoin.TheoxidizersandmethodsCH3COOHareC.P.reportedaremainiy：（PhCHEtN）+Br-（/PhCO）O/2322XRC-1micromeidometer，PE-2400CHNeiementaiMeCN［1］，DMSO/（COCi）/CHCi［2］，CrO·CHNH·anaiysisinstrument，510Ptypeinfraredspectro-com

4、parator，222332HCi/AiO［3］，themetaiiorganiccompound［4］，microwaveOP-1000Amassspectrometerandroutineorganicsynthesis23［5］instruments.radiation，etc.Thereactionconditionsofsomemethods1.2Synthesisofbenziiareharsh，thetoxicityisheavy，thereactionreagentisPut2.1g（0.01moi）benzoin，0.033moidiff

5、erentexpensive，thepreparationisdifficuit，theaftertreatmentcoppersaits（theamountofcupricsubcarbonateisreducedistediousortheconversionratioofmateriaisisiow.byhaif），10miaceticacidand5miwaterintoa100miCupriccompoundisakindofweakoxidizer.Uptiiinowthree-neckbottie，instaiiarefiuxcondensi

6、ngtube，heatthereisoniythereportofoxidizingbenzoinwithcupric［6］［7］andrefiuxthemixturefor2h，cooi，addwaterandstir，suifate-pyridinewithcupricacetate-aceticacid.Thisputthemixtureinabeakerandieaveitatapaperstudiestheprobiemofoxidizingbenzoinbyusingstandstiii.Thensuctionfiiterwashwithwat

7、ertoneutraitocupricnitrate，cupricchioride，cupricsuifate，cupricobtaintherawproduct.Andthenuse95%ethyiaicohoi-acetateandcupricsubcarbonateasoxidizers.Thewatertorecrystaiiizeandputtheproductinadesiccator.experimentairesuitsindicatethatthesecupriccompoundsAfterdesiccation，aiightyeiiow

8、productisobtained.canaiioxidizebe