Production process of chloropropionyl glutamine

Abstract

The invention relates to the technical field of chemical engineering, and discloses a production process of chloropropionyl glutamine. The production process comprises following steps: carrying out acylating chlorination reaction: adopting D-2-chloropropionic acid and thionyl chloride as raw materials, adopting DMF (N, N-dimethylformamide) as a catalyst, and carrying out reaction to generate D-2-chloropropionyl chloride, sulfur dioxide and hydrogen chloride. According to the production process of chloropropionyl glutamine, 791kg of thionyl chloride is pressed into a dry and clean 2000 L enamelreaction kettle by using nitrogen, stirring is started, and 0.75kg of N, N-dimethylformamide is slowly dropwise added; then, 600kg of D-2-chloropropionic acid is pressed into a dry and clean 1000L enamel high-level tank by using nitrogen gas, a reaction kettle jacket is subjected to 75 DEG C hot water bath to increase the temperature of the system to 60-65 DEG C, D-2-chloropropionic acid is dropwise added into the reaction kettle for about 4 h at 60 to 65 DEG C, and the gas release amount is controlled by adjusting the dropwise adding speed. T production process is simple in steps, complete in reactant reaction, high in raw material utilization rate and low in preparation cost, troubles of users are avoided, and the production process is convenient for users to use.

Description

technical field [0001] The invention relates to the technical field of chemical industry, in particular to a production process of chloropropionyl glutamine. Background technique [0002] Chemical industry is the abbreviation of "chemical technology", "chemical industry" and "chemical engineering". Any technology that uses chemical methods to change the composition and structure of substances or to synthesize new substances belongs to chemical production technology, that is, chemical technology. It is called chemicals or chemical products. At first, the production of such products was manual workshops, and later evolved into factories, and gradually formed a specific production industry, that is, the chemical industry. Chemical engineering is a discipline that studies the common laws of the production process of chemical products. Science, human beings and chemical industry are closely related. Some chemical products play an epoch-making role in the history of human developm...

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Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the invention provides a production process of chloropropionyl glutamine, which has the advantages of low cost and solves the problem of complex steps and incomplete reaction in the traditional preparation method of chloropropionyl glutamine. The waste of raw materials is large, which increases the production cost of chloropropionyl glutamine, and users are quite troubled by this problem

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