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A method for the catalytic synthesis of cyclic carbonates by functionalized metal-organic framework materials

A technology of metal-organic frameworks and cyclic carbonates, applied in organic chemistry, chemical instruments and methods, organic compounds/hydrides/coordination complex catalysts, etc., can solve the problem of crystal structure being sensitive to air and water, and reusable performance Unsatisfactory and other problems, to achieve the effect of excellent catalytic activity, good reusability and simple process

Inactive Publication Date: 2018-12-18
SHAOYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reusability of IRMOF-3 is unsatisfactory due to its crystal structure being sensitive to air and water.

Method used

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  • A method for the catalytic synthesis of cyclic carbonates by functionalized metal-organic framework materials
  • A method for the catalytic synthesis of cyclic carbonates by functionalized metal-organic framework materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Catalyst preparation: NH 2 -MIL-101(Cr), nicotinoyl chloride and pyridine are added to N,N-dimethylformamide, wherein, nicotinoyl chloride and NH 2 -The mass ratio of MIL-101(Cr) is 1:1, pyridine and NH 2 -The mass ratio of MIL-101(Cr) is 0.5:1, N,N-dimethylformamide and NH 2 -The mass ratio of MIL-101(Cr) is 50:1, ultrasonic dispersion, reflux reaction for 6 hours, and centrifugation after cooling; the obtained solid is put into toluene, and bromobutane, toluene and NH 2 -The mass ratio of MIL-101(Cr) is 50:1, bromobutane and NH 2 -The mass ratio of MIL-101(Cr) is 1.5:1, ultrasonic dispersion, reflux reaction for 5 hours, centrifugation, drying to obtain F-NH 2 -MIL-101(Cr).

Embodiment 2

[0029] Catalyst preparation: NH 2 -MIL-101(Cr), nicotinoyl chloride and pyridine are added to N,N-dimethylformamide, wherein, nicotinoyl chloride and NH 2 -The mass ratio of MIL-101(Cr) is 1.5:1, pyridine and NH 2 -The mass ratio of MIL-101(Cr) is 0.8:1, N,N-dimethylformamide and NH 2 -The mass ratio of MIL-101(Cr) is 120:1, ultrasonic dispersion, reflux reaction for 12 hours, centrifugation after cooling; the obtained solid is put into toluene, and bromobutane, toluene and NH 2 -The mass ratio of MIL-101(Cr) is 120:1, bromobutane and NH 2-The mass ratio of MIL-101(Cr) is 2:1, ultrasonic dispersion, reflux reaction for 8 hours, centrifugation, drying to obtain F-NH 2 -MIL-101(Cr).

Embodiment 3

[0031] Catalyst preparation: NH 2 -MIL-101(Cr), nicotinoyl chloride and pyridine are added to N,N-dimethylformamide, wherein, nicotinoyl chloride and NH 2 -The mass ratio of MIL-101(Cr) is 2:1, pyridine and NH 2 -The mass ratio of MIL-101(Cr) is 1:1, N,N-dimethylformamide and NH 2 -The mass ratio of MIL-101(Cr) is 200:1, ultrasonic dispersion, reflux reaction for 24 hours, and centrifugation after cooling; the obtained solid is put into toluene, and bromobutane, toluene and NH 2 -The mass ratio of MIL-101(Cr) is 200:1, bromobutane and NH 2 -The mass ratio of MIL-101(Cr) is 3:1, ultrasonic dispersion, reflux reaction for 15 hours, centrifugation and drying to obtain F-NH 2 -MIL-101(Cr).

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Abstract

The invention provides a method for catalyzed synthesis of cyclic carbonate through a functional metal organic frame material. According to the method, carbon dioxide and epoxide are taken as raw materials, cyclic carbonate is obtained through synthesis under the catalytic action of the functional metal organic frame material, and the functional metal organic frame material is pyridine type ionic liquid modified NH2-mil-101; the epoxide is epoxypropane, epichlorohydrin, phenylethylene oxide or cyclohexene oxide, preferably, the mass ratio of the functional metal organic frame material to the epoxide is (1:20)-(1:200), the pressure of carbon dioxide is 0.5-5 MPa, the reaction temperature is 50-150 DEG C, and the reaction time is 0.5-5 h. According to the method, the reaction conditions are mild, soluble aids or organic solvents are not required to be added, the product yield is high, a product and a catalyst can be separated in a centrifugal or filtering manner, the process is simple, the energy consumption is low, and the reusability of the catalyst is good.

Description

technical field [0001] The invention relates to a method for synthesizing cyclic carbonates, in particular to a method for catalytically synthesizing cyclic carbonates with functionalized metal organic framework materials. Background technique [0002] Carbon dioxide is the most important greenhouse gas, and it is also a cheap, non-toxic and abundant carbon resource. Therefore, from the perspective of environmental protection and resources, the development and utilization of carbon dioxide is of great significance. Although many chemical conversion and utilization pathways of carbon dioxide have been reported in the literature, few of them have actually achieved industrial production (T. Sakakura, etal. Chemical Review, 2007, 107, 2365). Among them, the catalytic synthesis of cyclic carbonates using carbon dioxide and epoxides as raw materials is one of the important ways to successfully utilize carbon dioxide in industry. [0003] At present, the catalysts reported in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D317/36C07D317/38C07D317/46B01J31/22
CPCB01J31/1691B01J31/2213B01J2231/00B01J2531/0238B01J2531/31B01J2531/62B01J2540/42C07D317/36C07D317/38C07D317/46
Inventor 张超周喜
Owner SHAOYANG UNIV