A metal-organic framework material for visible light-catalyzed bifunctionalization of styrene and its preparation method and application

Abstract

The invention discloses a metal-organic framework material for the difunctionalization reaction of styrene catalyzed by visible light, its preparation method and application. The molecular formula of the material is C 30 h 17 Cl 2 N 2 o 5.5 co 0.5 , the crystal system is monoclinic, the space group is C2 / c, and the unit cell parameters are: α=90.00°, β=104.889(2)°, γ=90.00°, and the number of molecules in the unit cell is 8; the material The general chemical formula is Co 0.5 (DCF)(bpy)(H 2 O) 0.5 , wherein, DCF is 2',7'-dichlorofluorescein, and bpy is 4,4'-bipyridine. The material provided by the invention has the high-efficiency performance of catalyzing the difunctionalization reaction of styrene under visible light conditions to synthesize 1,3-oxathiolane-2-imino. The preparation process of the invention is simple, the catalytic efficiency is high, and the cycle Good stability and easy large-scale preparation.

Description

A Visible Light-Catalyzed Metal-Organic Framework Material for Styrene Difunctionalization Preparation method and application thereof technical field The invention belongs to photocatalytic material technical field, be specifically related to a kind of visible light catalysis styrene bifunctionalization reaction The metal-organic framework material and its preparation method and application. Background technique In catalysis, the ecological sustainable synthesis of 1,3-oxathiolane-2-imino derivative is in academic and Both are very attractive industrially because they are very valuable intermediates in organic synthesis and have been used for the development of anti- The core structure of cancer drugs. In the reported literature, the bifunctionalization of styrene via visible-light-photoredox catalysis is An efficient strategy that utilizes the cheapest visible light and can utilize oxygen in the air to in situ form free states The catalytic cycle is facilitated...

AI Technical Summary

Problems solved by technology

However, in order to really apply the currently researched MOFs materials to the efficient visible light-catalyzed bifunctionalization of styrene, researchers still need to solve the following problems: (1) Most MOFs have poor visible light utilization and high synthesis costs; (2) ) MOFs with photocatalytic activity in the visible spectral region are still relatively rare and have low cycle stability

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