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《非晶態(tài)金屬-磷酸鋁催化正庚醛和苯甲醛羥醛縮合制茉莉醛（英文）.pdf》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、Chinese】'ournalofCatalysis36(2015)209—215催化學報2015年第36卷第z期fw．chxh．cnavalIabIeatwww．scie13cedirect．com，’ScienCeD{rectjourrlaIhomepage：www．eIsevier．com／Iocate／chrljcArticleAmorphousmetal·aluminophosphatecatalystsforaldolcondensationofn-heptanalandbenzalde
2、hydetojasminaldehydeA．Hamza，N．NagarajuCamlysisResearchLaboratory,St．Joseph'sCollegeP．G．a(chǎn)ndResearchCentre,Bangalore560027,IndiaARTICLEINF0ABSTRACTArticlehistory：Amorphousaluminophosphate(alp)andmetal—aluminophosphates【"MAIPs，whereM=2．5mo1％Cu．Received17J
3、une2014，zn，cr，F(xiàn)e，ce，orzr]werepreparedbycoprecipitationmethod．TheirsurfacepropertiesandAccepted1August2014catalyticactiviforthesynthesisofjlasminaldehydethroughthealdolcondensationofn-hieptanalPublished20February2015andbenzaldehydewereinvestigated．Theni
4、trogenadsorption-desorptionisothermsshowedthatthemicroporosityexhibitedbythealuminophosphatewaschangedtoamesoporousandmacroporousstructurewhichdependedonthemetalincorporated,withaconcomitantchangeinKeywords：thesurfa／,2eareaTemperatureprogrammeddesorpti
5、onofNH3andCO2revealedthatthematerialsAmorphousaluminophosphatepossessedbothacidicandbasicsites．TheacidicstrengthofthematerialwaseitherincreasedorMetal-aluminoposphatedecreaseddependingonthenatureofthemeta1．ThebasicilxywasincreasedcomparedtoA1P．AUtheSur
6、facepropertyma七E．'rialsweFeX—rayamorphousandpowderX-raydiffractionstudiesindicatedtheabsenceofAq：id-basebi一,fumctionalcatalystmetaloxidephases,TheFouriertransfrorminfir-aredanalysisconfirmedthepresenceofphosphateddo1condensati0ngroupsandalsotheabsenceo
7、fanyM-0moietiesinthematerials．TheselectedorganicreactionIasminaldehydeoccurredonlyinthepresenceoftheAJPandMIA3]Ps．Theselectivityforthejasminalde]1ydeproductwasupt075％withayieldof65％．Thebestconversionofn-heptanalwtthahighselectivfltytoiasminaldehydewaso
8、btainedwithFeA1Pasthecatalyst,andthismaterialwascharacterizedtohavelessweakacidsitesandmorebasicsites．⑥2015DalianInstituteofChemicalPhysics．ChineseAcademyofSciences．PublishedbyElsevjerBAl】rightsreserved，1．Introductiontodesignuniquebifun
