Metal–organic frameworks constructed from crown ether-based 1,4-benzenedicarboxylic acid derivatives
作者:Teng-Hao Chen、Andreas Schneemann、Roland A. Fischer、Seth M. Cohen
DOI:10.1039/c5dt04316f
日期:——
A series of unprecedented crown ether- and thiacrown ether-derivatized benzene dicarboxylic acid (H2bdc) ligands has been synthesized and incorporated into the prototypical isoreticular metal–organic framework (IRMOF) and UiO-66 materials. In the case of UiO-66, only MOFs comprised from a mixed-ligand composition, requiring both unsubstituted bdc and crown ether containing ligands, could be prepared
Liquid exfoliation of alkyl-ether functionalised layered metal–organic frameworks to nanosheets
作者:Jonathan A. Foster、Sebastian Henke、Andreas Schneemann、Roland A. Fischer、Anthony K. Cheetham
DOI:10.1039/c6cc05154e
日期:——
Dispersion of the nanosheets exposes labile metal-sites which are shown to exchange solvent molecules allowing the nanosheets to act as sensors in suspension.
Zinc metal–organic frameworks: efficient catalysts for the diastereoselective Henry reaction and transesterification
作者:Anirban Karmakar、M. Fátima C. Guedes da Silva、Armando J. L. Pombeiro
DOI:10.1039/c4dt00219a
日期:——
Three new amidoterephthalate ligands are utilized to synthesize three new zinc(ii) metal–organic frameworks which act as heterogeneous catalysts for the diastereoselective nitroaldol (Henry) and transesterification reactions.
An Amine Functionalized Metal–Organic Framework as an Effective Catalyst for Conversion of CO<sub>2</sub> and Biginelli Reactions
作者:Ashish Verma、Dinesh De、Kapil Tomar、Parimal K. Bharadwaj
DOI:10.1021/acs.inorgchem.7b01286
日期:2017.8.21
could be easily removed along with the guest molecules in the lattice uponactivation to afford the desolvated framework 1′. This produced exposed metalsites that, along with the pendant amine groups incorporated in the ligand, generated a coordination space in the framework to make it an outstanding heterogeneous catalyst for the chemical fixation of CO2 with various epoxides under atmospheric pressure
Photoresponsive Zn<sup>2+</sup>-specific metallohydrogels coassembled from imidazole containing phenylalanine and arylazopyrazole derivatives
作者:Ashanti Sallee、Kesete Ghebreyessus
DOI:10.1039/d0dt01809k
日期:——
(AzoPz) molecular photoswitches in the presence of Zn2+ ions. Unlike traditional covalent conjugation, noncovalent introduction of small molecular switches into the gel matrix provides a convenient route to generate photoresponsive functional materials with tunable properties and expands the scope of optically controlled molecular self-assemblies. It has been found that the carboxylic acid functionalized