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Method for producing chiral drug

A technology for chiral drugs and drug groups, applied in separation methods, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of inability to complete the discharge, long production process, large space occupation, etc., to simplify the production process, The effect of reducing the production process and improving the production efficiency

Inactive Publication Date: 2021-12-10
HEBEI CHEM & PHARMA COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this not only increases the investment of funds to purchase different types of grinding equipment, but also takes up a lot of space, and it is impossible to complete the discharge while achieving the purpose of grinding, and it makes the production process too long and the production efficiency is low

Method used

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  • Method for producing chiral drug
  • Method for producing chiral drug
  • Method for producing chiral drug

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Embodiment Construction

[0057] Preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, not to limit the present invention.

[0058] A method for producing chiral drugs, comprising the steps of:

[0059] S1. Divide the components for the production of chiral drugs into multiple drug groups according to requirements, and put these drug groups into the corresponding reaction kettles 101 of the mixing reaction device 100;

[0060] S2, open the on-off mechanism at each reaction kettle, inject reaction water into the reaction kettle 101 through the circulation pump 114, and in the process of water injection, the variable frequency drive motor 108 continues to drive the material pipe 105 to make it rotate;

[0061] S3. According to the different water demand of the reaction water in each reactor 101, close the corr...

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Abstract

The invention discloses a method for producing a chiral drug. The chiral drug is subjected to mixed reaction. According to the synthesis of the chiral drug, drug components for synthesizing the chiral drug are divided into a plurality of drug groups, each drug group is mixed, then mixing is performed among reaction kettles; after the mixed reaction is complete, crystallization and drying are carried out through a crystallization drying device, multiple procedures are completed in the same equipment; after drying is finished, along with discharging of crystals, the grain size of the crystals is controlled through a crystallization grinding and discharging device, and the crystals are collected; and due to the fact that discharged materials of the crystallization drying device are directly discharged into the crystallization grinding and discharging device, discharging and grinding directly act and are continuously carried out, and production procedures are reduced. The production process of the chiral drug is simplified, the production efficiency of the chiral drug is improved, and the investment of funds and personnel is reduced. The method of the invention is suitable for the technical field of chiral drug production equipment.

Description

technical field [0001] The invention belongs to the technical field of chiral medicine production equipment, and in particular relates to a method for producing chiral medicine. Background technique [0002] In the production process of chiral drugs, it is necessary to stir a variety of drugs (compounds) in a reactor to form a mixed solution, so as to facilitate the next process. However, in order to make these drugs mix uniformly, the general method is to increase the stirring time or reduce the amount of drugs mixed at one time, which greatly reduces the mixing efficiency and affects the production capacity of chiral drugs. Moreover, the production of some chiral drugs requires multiple drugs to be divided into two or more groups. These groups of drugs are stirred separately in the reactor, and after stirring and making them react fully, they are mixed. According to the specific chiral drugs, it is necessary to The mixtures of these groups are mixed in pairs or multiple g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/18B01D9/00B01D9/02
CPCB01J19/1881B01D9/0031B01D9/0077B01D2009/0086
Inventor 张炳烛范继业刘培
Owner HEBEI CHEM & PHARMA COLLEGE
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