含硫吡唑啉酮類萃取劑的合成、表征及其萃取鈾（Ⅵ）的熱力學(xué)研究.pdf

1、上海大學(xué)碩士學(xué)位論文含硫吡唑啉酮類萃取劑的合成、表征及其萃取鈾（Ⅵ）的熱力學(xué)研究姓名：黃煒申請學(xué)位級別：碩士專業(yè)：有機化學(xué)指導(dǎo)教師：曹衛(wèi)國20030101～t海大學(xué)頸』‘科究生畢業(yè)論文AbstractIt’squitedifficulttoseparatelanthanideandactinideelementsbecauseofthesimilarityinphysicalandchemicalpropertiesAseriesofn

2、ovelextl’actantsof3H—pyrazol一3mthione(HCBMPPTHFBMPPTHMBM王)pT)wassynthesizedatthefirsttimefortrivalentlanthanideandactinideseparationThestructuresofthoseextractantswereconfirmedbymeansofIR，‘HNMR，Massspectrometry，Elemental

3、analysisandX—raycrystalanalysisTheextractingbehaviorofHMBMPPTtoUranium(v1)hasbeenstudiedThefollowingsarethemajorcontents1Using1phenty一3一methyl一5一pyrazolone(PMP)asstartingmaterial，4aroyl一2，4一dihydro一5一methyl一2phenylm3chlo

4、ro—pyrazol(4ac1weresynthesized24acreactedwithsodiumhydrosulfidehydratetogivethreenovel3Hpyrazol一3一thioneextractants(5a噸、。InNghertemperature5methyl2phenyl—thiochromanone[23el—pyrazol6couldbeobtmnedingoodyieldfrom4abReacti

5、onconditionswerealsostudied3Thesynthesisofthiobenzoytpyrazolinthionewasstudied4Thiobenzoyl2，4一dihydrom5methyl一2phenyl一3一chloro—pyrazolwassynthesizedButwefailedtogetthiobenzoylpyrazolinthione4。Theextractionbehaviorandmech

6、anismofextracfionofUfVI)wi氆HMBMPPTwasstudiedforthefirsttimeTheextractionabilityofHMBMPpTtoextractU(VI)isstrongerthanHBMPPTthepHlno2)=229TemperatureanddiluentshavelittleeffectonextractionSalting—outagentcouldimprovetheext

7、ractionTheextractionmechanismmightconsistoftwoormoreexffacfioncomplexes，5UsingHMBMPPT—TOPO—Chloroformsystem轉(zhuǎn)M8醒PP孓TBP—Chlorofomasystemassynergisticagents，westudiedthesynergisticextractionofU(vDBothofthesynergisticsystemh

8、adsynergisticeffectTheirsynergisticabilitieswereasfollows：腳OTBP刀雕extractionmechanismofthesesynergisticsystemsalsomightconsistoftwoextractioncomplexesKeywords：3H—Pyrazol3Thione，Synthesis，Characterization，Extractant，Uraniu