Abstract

A new metal organic framework [Cu6(D-cam)8(TMDPY)4Cd2Na(OH)4] (D-cam = d-Camphoric acid, TMDPY = 4,4′-Trimethylenedipyridine, MOF 1) was synthesized for the first time under hydrothermal conditions. It has three different metal clusters that are connected by a D-cam to form a two-dimensional structure. The layers are connected by TMDPY to form a three-dimensional structure. We used this material to separate racemic phenylalanine by adsorption, indicating that it has a much higher adsorption effect on D-phe (d-phenylalanine) than L-phe (l-phenylalanine). The adsorption kinetics of the adsorption process was studied, which indicated that the adsorption of phenylalanine by MOF 1 accords with the Langmuir isotherm adsorption model. Finally, the ratio of L-phe to D-phe in the solution adsorbed by MOF 1 is about 9:1. It is further illustrated that MOF 1 has a good separation effect on phenylalanine.

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