Photoinduced Electron Transfer in Host-Guest Complexes of 2-Naphthyl-（OCH2CH2）n-adamantanamines with Mono-6-O-p-nitrobenzoyl-β-cyclodextrin and Mono-6-O-m-nitrobenzoyl-β-cyclodextrin-中国期刊网

摘要 Anumberofnaphthalenedonorcompoundsthatpossessanadamantanaminebindingmoietyandan(OCH2CH2)n(nn1,2,3,4,6,8)spacerweresynthesized.Thefluorescencequenchingbetweenthesedonorsubstratesandmono-6-O-p-nitrobenzoyl-β-cyclodextrin(pNBCD)andmono-6-O-m-nitrobenzoyl-β-cyclodextrin(mNBCD)wasstudiedindetail.Itwasfoundthatveryefficientfluorescencequenchingcouldoccurinthesesupramolecularsystems.Thisquenchingwasattributedtothephotoinducedelectrontransferinsidethesupramolecularassemblybetweenthenaphthalenedonorsandcyclodextrinacceptors.DetailedStern-VolmerconstantsweremeasuredandtheywerepartitionedintodynamicStern-Volmerquenchingconstantsandstaticbindingconstants.Itwasdemonstratedthatthebindingconstantsbetweenallthenaphthalenecompoundsandcyclodextrinsarethesameastheypossessthesamebindingsite,i.e.,adamantanamine.

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Photoinduced Electron Transfer in Host-Guest Complexes of 2-Naphthyl-（OCH2CH2）n-adamantanamines with Mono-6-O-p-nitrobenzoyl-β-cyclodextrin and Mono-6-O-m-nitrobenzoyl-β-cyclodextrin

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Photoinduced Electron Transfer in Host-Guest Complexes of 2-Naphthyl-（OCH2CH2）n-adamantanamines with Mono-6-O-p-nitrobenzoyl-β-cyclodextrin and Mono-6-O-m-nitrobenzoyl-β-cyclodextrin

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