Less is More: A Shortcut for Anionocages Design Based on (RPO32-)-Monourea Coordination was written by Ma, Fen;Qiao, Xinrui;Zuo, Wei;Tao, Yu;Li, Anyang;Luo, Zhipeng;Liu, Yuqi;Liu, Xueru;Wang, Xiaoqing;Sun, Wei;Jia, Chuandong. And the article was included in Angewandte Chemie, International Edition in 2022.Category: chlorides-buliding-blocks The following contents are mentioned in the article:
Anionocages have been developed as a unique family of hydrogen bonded cages. However, strategies for constructing anionocages are mainly limited to that based on (PO43-)-bisurea coordination, neither the ligands nor the anions lack the simplicity and diversity of the maturely developed analogs based on metal coordination (i.e. metallocage). We report herein a more simple strategy for anionocages design based on (RPO32-)-monourea coordination, utilizing monourea rather than bisurea as the hydrogen binding donor, and RPO32- rather than PO43- as the acceptor. Two fluorescent, quadruple helicate anionocages were constructed by a bis-monourea ligand, and dianions PhOPO32- (H1) or HOPO32- (H1A), resp., which were capable of encapsulating a series of cation guests. As revealed by mol. modeling, H1 features remarkable guest-adaptive cavity breathing without change of the quadruple helicate topol., which allowed the encapsulation of different sized guests in an “induced fit” manner. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Category: chlorides-buliding-blocks).
Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Category: chlorides-buliding-blocks
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics