Dimensionally confined nanosheets self-assembled through self-shielding multiple hydrogen bonding interactions in aqueous media

查看全文 作　　者：Jing [1]Zhang;Shuaiwei [1]Qi;Hao [1]Yu;Ze [1]Lin;Bao [1]Li;Ming [1]Wang;Zeyuan [1]Dong 机构地区：[1]State Key Laboratory of Supramolecular Structure and Materials,College of Chemistry,Jilin University,Changchun 130012,China 出　　处：《Chinese Chemical Letters》索引2022年第33卷第11期,共4页 基　　金：supported by the National Natural Science Foundation of China(Nos.22071078,92156012 and 21722403);the Program for JLU Science and Technology Innovative Research Team(JLUSTIRT,No.2019TD-36)。 摘　　要：Herein,we adopt a simple supramolecular strategy to effectively control the tautomerism of ureidopyrimidinone(UPy)moiety and ultimately realize the complete arrangement of enol configuration.The obtained UPy derivatives containing self-complementary quadruple hydrogen bonding interactions can spontaneously self-assemble towards the formation of well-controlled,self-organized supramolecular nanostructure morphologies in both chloroform and water.The resulting aggregates had been fully characterized by various spectroscopy(absorption,emission)and microscopy(TEM,SEM and AFM)studies.It is anticipated that this study can provide an exact and excellent monomeric unit for controllable and precise supramolecular polymerization.The results achieved here also demonstrate the utility and feasibility of multiple hydrogen bonds to direct the self-assembly of small-molecule building blocks in aqueous media,which provides a strategy for the construction of well-defined and stable supramolecular architectures with chemical functionalities and physical properties as advanced materials for biological applications. 关 键 词：Hydrogen bonding Aqueous media Sandwich structure SELF-SHIELDING Two-dimension