Preparation method for 2-chloro-5-iodobenzoic acid
By preparing 2-chloro-5-iodobenzoic acid from cheap o-chlorobenzoic acid through nitration, reduction and diazotization iodo reactions, the problems of complex production methods and high cost in the existing technology are solved, and an efficient and suitable method is achieved. Preparation method for industrial production.
CN106748721AActive Publication Date: 2017-05-31SHANDONG BOYUAN PHARM CO LTD
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Patent Information
- Application Number
- CN201611010716.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2016-11-17
- Publication Date
- 2017-05-31
- Estimated Expiration
- 2036-11-17
AI Technical Summary
Technical Problem
The existing production method of 2-chloro-5-iodobenzoic acid is complex in operation, has high production cost, long reaction steps, low product yield, and is not suitable for industrial production.
Method used
Cheap o-chlorobenzoic acid is used as the starting material, and 2-chloro-5-iodobenzoic acid is obtained through nitration, reduction and diazotization iodo reactions, which shortens the reaction steps and improves the yield.
Benefits of technology
The production process is simplified, the cost is reduced, the overall yield and purity of the product are improved, and it is suitable for industrial production.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a preparation method for 2-chloro-5-iodobenzoic acid. The preparation method is characterized in that cheap o-chlorobenzoic acid is taken as a starting material to obtain 2-chloro-5-iodobenzoic acid through nitration, reduction and diazotization iodination. The method shortens reaction steps, increases the yield and is suitable for industrial production.
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