Trans-A-,2-B-,2-四芳基八甲基卟啉合成研究.pdf

1、湖南大學碩士學位論文TransAB四芳基八甲基卟啉合成研究姓名：孫朝旭申請學位級別：碩士專業(yè)：有機化學指導教師：郭燦城2002.7.1ABST歉ACTPorphyrinisakindofimportantcompoundthathasconsanguineousrelationshipwithlifescience。Withthedevelopmentofporphyrininvestigation，scientistspaidmore

2、andmoreattentiontothisfieldBecausescientistsfoundporphyrinderivativesemployedallimportantroleinlifeprocess，suchasoxidation，metabolize，etc—Fromthesixtiesoflastcentury，theporphyrinbasedbiomimicworkhadmadeagreatprogress。Sci

3、entistrecognizedporphyrinsasakindofmacroconjugatecompoundhasgreatpotentialutilityinfieldsofnewmaterial。analyticalchemistrymedicalchemistrymoleculerecognizeandbiomimiccatalysis，etcInthepastdecadesyears，numerousadvancesinp

4、orphyrinsynthesismethodologyhavebeenrealized。Allthroughthesynthesismethodsoftrans—A282havesomedrawbacks，suchasexpensivelaWmaterial，towyield，difficultypurificationere，Thereforeitismuchmoredifficulttosynthesissterieallyhin

5、deredtrans—A282tetraaryloctamethylporphyrinsThiskindofporphyrinmoleculehasthreecharacterstrans—A282，all13substituentedandnonplanarNormallythemethodtosynthesisanyporphyrinmoleculethathasoneofthethreecharactersiSmuchvainab

6、leInthispaperwesynthesizedelevennoveltransA282tetraaryloctamethylporphyrinsbyimprovedMacDondsynthesisrouteThesynthesisstratagemisverynoveltyandrationalTherawmaterialisverycheapandfacileTheresultissatisfiedWehavemadeneces

7、sarycharactertoprovethesecompounds，forexample1HNMR，UV_Vis，MS，IRWefoundintheUVVisspectraofthesenonplanarporphyrinsthefistvisiblebandandSoretbandredshiftaswehavepredictedSowecansaythattheseporphyrinsarenonplanarKeyword：por