Reported here is the comprehensive investigation on the formation of biphen[n]arenes by tailoring reac-tion modules.Five new macrocyclic arenes and four oligomers were synthesized by the condensation of monomers posse...Reported here is the comprehensive investigation on the formation of biphen[n]arenes by tailoring reac-tion modules.Five new macrocyclic arenes and four oligomers were synthesized by the condensation of monomers possessing different multimethoxyphenyl reaction modules and paraformaldehyde.We proved that the number and sites of methoxy on reaction modules greatly affected the reaction activity,shape,and connection mode of macrocycles.Moreover,the triangular and saddle-shaped configuration of macro-cycles were revealed by single crystal structures.The results provided a typical and fundamental guidance in designing new macrocyclic arenes.展开更多
CONSPECTUS:Macrocycles play pivotal roles in supramolecular chemistry and materials science because of their distinctive molecular recognition capabilities and versatile applications in selfassembly.However,traditiona...CONSPECTUS:Macrocycles play pivotal roles in supramolecular chemistry and materials science because of their distinctive molecular recognition capabilities and versatile applications in selfassembly.However,traditional macrocycles,such as cyclodextrins,calixarenes,cucurbiturils,and pillararenes,have inherent limitations in terms of cavity size and structural variety,which restrict their ability to encapsulate vip molecules of varying sizes and their potential in constructing multifunctional materials.展开更多
基金the National Natural Science Foundation of China (Nos. 21971192 and 21772118)the Natural Science Foundation of Tianjin City (No. 20JCZDJC00200)
文摘Reported here is the comprehensive investigation on the formation of biphen[n]arenes by tailoring reac-tion modules.Five new macrocyclic arenes and four oligomers were synthesized by the condensation of monomers possessing different multimethoxyphenyl reaction modules and paraformaldehyde.We proved that the number and sites of methoxy on reaction modules greatly affected the reaction activity,shape,and connection mode of macrocycles.Moreover,the triangular and saddle-shaped configuration of macro-cycles were revealed by single crystal structures.The results provided a typical and fundamental guidance in designing new macrocyclic arenes.
基金supported by the National Natural Science Foundation of China(22471195,22201212)Natural Science Foundation of Tianjin City(23JCZDJC00660).
文摘CONSPECTUS:Macrocycles play pivotal roles in supramolecular chemistry and materials science because of their distinctive molecular recognition capabilities and versatile applications in selfassembly.However,traditional macrocycles,such as cyclodextrins,calixarenes,cucurbiturils,and pillararenes,have inherent limitations in terms of cavity size and structural variety,which restrict their ability to encapsulate vip molecules of varying sizes and their potential in constructing multifunctional materials.