烷基黃原酸酯系列藥劑的合成與應用.pdf

1、中南大學碩士學位論文烷基黃原酸酯系列藥劑的合成與應用姓名：周繼亮申請學位級別：碩士專業(yè)：化學工藝指導教師：鐘宏20030528ABSTRACTThou2hxanthate，thetraditionalsul丘deorescollector’isef話ctiVeincollectingability，itssele“VityisnotgoodHenceitisnecessarytoimprovethestmctureofxall血atea

2、nddevelopnewtypeofsulfideorescollectorsofhi曲notationpropertiesInmispaperthec11lorinatedhydrocarbon(emylchlorofo肌ate，allylchloridebenzvlchloridelwerechosenasrawmaterialsteactwithalkylxanmateinmeaqueouss01utionThreeserieso

3、falkylxanthicesters(a崎lxanmogenethylfonnate，a11y1estersofalkylxanmate，benZylestersofalkVlxallth舢e)werepr印ared，Thee腩ctsofreactiontemperature，reactiontimeandmolarratioofreactantsonyieldwerestudiedTheexperimentresultsshowed

4、thatmeoptimumtechnicalparametersfor廿lesynmesisofalkylxalltllogenethylformateare25℃(reactiontemperature)、4。0姒reactiontime)andl。05：100(molarratioofxalltllatetoemylchlorofoHnate)Theoptimumtechnicalparametersforthesyrmlesiso

5、fa11ylestersofalkylxantllateare45℃(reactiontemperatule1，40hr(reactiontime)and105：l。00(molar王’atioofxanthatetoallylchloride)AndfortllesynthesisofbenzylestersofaIkylxanthate，theoptimumtechnicalparametersare55℃(reactiontemp

6、erature)、6h“reactiontime)and110：100(molarratioofxanmatetobenzylchloride)Intheoptimumtecmicalconditions，血eyieldofisopropylxaIlmogenet】1ylformateis9376％Theyieldofa11y1estersofisopropylxamhateint11eoptim唧technicalconditions

7、is855l％Andtheyieldofthebenzylestersofisopropylx弛ateintheoptimumtechnicalconditionsis9186％Theanalysishasbeendoneoftheproductsusingsomephysicalmeasuressuchasmere丘actionindex，ultravioletspectmm，in丘aredspec乜mmTheresult8showe

8、dmatmesynmesizedproductsaretheaimedproductsThenmecoppersulfidesofDexingwereadoptedforinVestigatingt11enotationpropeniesoft11esynthesizedproductsTheresultsshowedthatallthesynthesizedproductshavegoodcollectingabilityAndt11