Entropically favoured through space charge transfer‘lighted’photosensitizing assemblies for‘metal free’regulated photooxidation of alcohols and aldehydes

查看全文 作　　者：Gurpreet [1]Kaur;Harpreet [1]Kaur;Mandeep [1]Kaur;Manoj [1]Kumar;Vandana [1]Bhalla 机构地区：[1]Department of Chemistry,Centre of Advance Studies-II,Guru Nanak Dev University,Amritsar,India 出　　处：《Aggregate》索引2022年第3卷第2期,共11页 基　　金：SERB,New Delhi,Grant/Award Number:CRG/2018/001274;SERB Power fellowship,Grant/Award Number:SPF/2021/000019;CSIR,New Delhi,Grant/Award Number:02(0358/19/EMR-II)。 摘　　要：Strong acceptor-weak acceptor system FN-TPy has been designed and synthesized,which undergoes solvent dependent self-assembly in mixed aqueous media to generate through space intermolecular charge transfer assemblies.The as-prepared entropically favoured assemblies of FN-TPy exhibit excellent photostability and photosensitizing properties in the assembled state to activate aerial oxygen for efficient generation of reactive oxygen species through Type-I and Type-II pathways.The FN-TPy exhibits excellent potential for regulated oxidation of alcohols and aldehydes under mild reaction conditions(visible light irradiation,aqueous media,room temperature)using aerial oxygen as the‘oxidant’.The present study demonstrates the potential of FN-TPy assemblies to catalyse controlled oxidation of benzyl alcohol to benzoic acid. 关 键 词：aggregated assemblies molecular oxygen activation OXIDATIONS PHOTOSENSITIZER through space charge transfer