合成雙酚AF的新工藝研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文合成雙酚AF的新工藝研究姓名：李晶晶申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：呂春緒20090621碩士論文AbstractInthispaperBisphenolAFwaspreparedinanewroutewhichfromHFA3H20andanilinein4steps：alkylation、diazotization、hydrolysis、FriedelCraftsan(ylationthetotal

2、yieldwas674％TheproduceswereidentifiedbyGC／MS、IRand1HNMRandtheirreactionmechanismwerediscussed111eresultsareintroducedasfollows(1)Thesynthesisof2(4aminophenyl)一1，1，1，3，3，3hexafluoropropan2ol(I)wasstudied，whichcatalyzedbyk

3、indsofbronstedacids，thePEGionicliquidandNb20sTheresultshowedthatcompound(I)wasobtained誦t11963％yieldunderoptimalconditionsthatNb20s弱thecatalyst，玎(HFA3H20)：刀(aniline)：咒(Nb205)is2：1：O1，refluxconditionandthereactiontimeis6h1

4、11ereactionmechanismisdescribedasfollows，becauseofoxygenvacancies，Nb205iseasytoaccepttheexternalelectronicsandformLewisacidcenters，whichhasgoodcatalyticability(2)TheIl2(4一hydroxyphenyl)1，1，1，3，3，3hexafluoropropan2一ol(II)

5、Wassynthesizedfromcompound(I)viadiazotization，hydrolysismoptimumreactionconditionswereasfollows：duringdiazotization，以(I)：以(n2s04)：n(NaN02)is1：41：11，n1econtentofH2S04is30％andreactiontemperature。2~2℃；duringhydrolysis，theco

6、ntentofH2S04is50％，n(H2S04)：露(I)is11：1Undertheseconditions，theyieldWas894％(3)Inthepresenceofcatalysts，theFriedel—Craftsalkylationofcompound(II)whichwithphenolyieldedtargetcompoundbisphenolAF(III)wasstudiedTheresultslowedt