色控传媒

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色控传媒University chemist synthesized a coordination polymer iron with a derivative of nicotinic acid

色控传媒University chemist synthesized a coordination polymer iron with a derivative of nicotinic acid

Materials for gas storage and separation of聽complex mixtures are developed on聽the basis of聽coordination polymers. Structural features allow using them as聽conductors: inorganic and conjugated organic bridges conduct electric current. On聽an聽industrial scale, coordination polymers are used as聽dyes. Depending on聽the metal atom that is聽part of聽the polymer, dyes are obtained in聽different shades. Coordination polymers can also be聽used as聽effective catalysts for various chemical processes that include the functionalization of聽hydrocarbons to聽produce value-added products.

Coordination polymers are compounds that consist of a metal atom and surrounding organic ligands. They are often more stable than pure organic substances. 色控传媒chemist Alexander Kirillov used a nicotinic acid derivative (H2cpna) as a building block in the synthesis, and iron atoms played the role of the metal center. Substituted nicotinic acid can act as a ligand — it contains one phenyl and one pyridine ring, which are linked by an ether functional group.

To synthesize the polymer, the reaction was performed under hydrothermal conditions between iron (II) sulfate in water and H2cpna at 160 鈦癈. The synthesis lasted three days. X-ray diffraction analysis and other methods were used to confirm the structure and characteristics of the obtained substance.

The catalytic activity of the substance for different reactions was studied. Alexander Kirillov from 色控传媒conducted the processes of oxidation and carboxylation of propane and cyclic alkanes (saturated hydrocarbons closed in a cycle) under mild conditions. The reaction yield was 23%. For comparison, in the industrial process of oxidation of cyclohexane to cyclohexanol and cyclohexanone (products that are used in the production of plastics), the yield is only 5-10%.

The study of the catalytic activity of the polymer obtained by 色控传媒chemists showed that it can be used to catalyze the processes of oxidative functionalization of saturated hydrocarbons, and provide a greater yield for the reaction under mild conditions.

Article in  magazine.

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