面对面卟啉二聚体镊子对氮杂富勒烯 - 喹啉二元体系的溶液相分子识别
Solution-phase molecular recognition of an azafullerene-quinoline dyad by a face-to-face porphyrin-dimer tweezer.
作者信息
Stergiou Anastasios, Andreopoulou Aikaterini K, Kallitsis Joannis K, Tagmatarchis Nikos
机构信息
Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation 48 Vassileos Constantinou Avenue 11635 Athens Greece
Department of Chemistry, University of Patras, University Campus 26504 Rio-Patras Greece.
出版信息
RSC Adv. 2020 Aug 27;10(53):31720-31729. doi: 10.1039/d0ra06195f. eCollection 2020 Aug 26.
A face-to-face porphyrin dimer, (HP) "porphyrin tweezer", was explored as a photo- and redox-responsive host for the molecular recognition of an azafullerene (CN) derivative bearing an amphoteric pentafluoroquinoline (FQ) domain. The intramolecular electronic coupling between the FQ substituent and the CN cage, within the newly synthesized CN-FQ dyad was evaluated, while the neutral and protonated form of the covalently attached FQ moiety were utilized as recognition motifs for the (HP) tweezer. Complementary photophysical and electrochemical techniques were applied to investigate the electronic communication between the porphyrin-dimer (HP) tweezer and the azafullerene cage as mediated by the FQ unit.
一种面对面的卟啉二聚体，即“卟啉镊子”（HP），被研究作为一种光响应和氧化还原响应的主体，用于对带有两性五氟喹啉（FQ）结构域的氮杂富勒烯（CN）衍生物进行分子识别。评估了新合成的CN-FQ二元体系中FQ取代基与CN笼之间的分子内电子耦合，同时将共价连接的FQ部分的中性和质子化形式用作（HP）镊子的识别基序。应用互补的光物理和电化学技术来研究由FQ单元介导的卟啉二聚体（HP）镊子与氮杂富勒烯笼之间的电子通讯。
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