Preparation method of single chiral metal-organic framework material with chiral separation and photoinduction functions

Abstract

The invention provides a preparation method of a single chiral metal-organic framework material with chiral separation and photoinduction functions, belonging to the technical field of chemical industry. A single chiral ligand (S)-H4L: (S)-3,3'-ditertbutyl-5,5'-bis(3,5-dicarboxyphenyl)-6,6'-dimethyl-2,2'-dihydroxy-1,1'-biphenyl is synthesized and then mixed with metal salts, the mixture is dissolved by N,N-dimethylformamide and water, acetate is added to react, after reaction, the product is cooled to a room temperature, and then the cooled product is washed by ether for several times, and dried in the air to obtain the finish product. The method is relatively simple and easy to operate, and ideal in separation effects for mandelic ester compounds, and has functions of inducing asymmetric cyclization of tropolone ether.

Description

technical field [0001] The invention relates to a preparation method in the technical field of chemical engineering, in particular to a preparation method of monochiral metal organic framework materials (MOFs) with chiral separation and light induction functions. Background technique [0002] In recent years, with the development of solid-state chemistry, monochiral metal-organic framework materials have shown broad application prospects in the fields of chiral recognition and separation, chiral fluorescence, and heterogeneous asymmetric catalysis. Studies have shown that as long as the pore size and shape of MOFs match the target molecules, the framework materials with amphiphilic holes may show strong affinity for those amphiphilic guest molecules, and such MOFs can target Some chiral molecules undergo chiral recognition and separation. At present, the filling materials of chiral gas chromatographic columns used for the separation of chiral amines are mainly cyclodextrin ...

AI Technical Summary

Problems solved by technology

At present, the filling materials of chiral gas chromatographic columns used for the separation of chiral amines are mainly cyclodextrin derivatives. There are two shortcomings in the chiral gas chromatographic columns of cyclodextrin derivatives: one is the derivatization of cyclodextrin The synthesis of cyclodextrin is cumbersome, and the filling of cyclodextrin derivative chiral gas chromatographic column is more complicated; another disadvantage is that the price of cyclodextrin derivative chiral gas chromatographic column is relatively expensive

[0005] There is no report on monochiral metal-organic framework materials with the separation function of chiral mandelate compounds

In addition, chiral photocatalysis is an important and difficult point in the current field of photocatalytic reactions. Using the functions of chiral holes and chiral confinement of monochiral metal organic framework materials, it can be used as a microreactor (reaction medium ) asymmetric photocatalysis reports are quite scarce

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