-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
-
Cosmetic Ingredient
- Water Treatment Chemical
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
The Production Process of 2-amino-5-bromopyrimidin-4-ol hydrobromide: An Overview
2-amino-5-bromopyrimidin-4-ol hydrobromide is an essential intermediate in the production of several important chemicals, drugs, and agrochemicals.
The demand for this compound has been steadily increasing in recent years, making it a critical component in the chemical industry.
In this article, we will provide an overview of the production process of 2-amino-5-bromopyrimidin-4-ol hydrobromide, highlighting the key steps involved in its manufacture.
Section 1: Raw Materials and their Sources
The production of 2-amino-5-bromopyrimidin-4-ol hydrobromide involves several raw materials, which are required in specific quantities to ensure optimal yield.
Some of the key raw materials used in the production process include:
- Pyrimidine-2,5-dicarboxylic acid (PDC)
- Hydrogen bromide (HBr)
- Nitric acid (HNO3)
- Sodium hydroxide (NaOH)
These raw materials are sourced from reliable suppliers after careful evaluation of their quality and purity.
The quality of the raw materials plays a significant role in the yield and purity of the final product.
Section 2: The Manufacturing Process
The production of 2-amino-5-bromopyrimidin-4-ol hydrobromide involves several steps, which are carefully planned and executed to ensure optimal yield and purity.
The process can be divided into six main steps:
Step 1: Prepare a solution of PDC in water
In this step, a solution of PDC is prepared in water.
The concentration of the solution depends on the desired yield of 2-amino-5-bromopyrimidin-4-ol hydrobromide.
Step 2: Add HBr to the PDC solution
Once the PDC solution is prepared, a measured amount of HBr is added to the solution.
The addition of HBr causes the formation of the desired product, 2-amino-5-bromopyrimidin-4-ol hydrobromide.
Step 3: Add NaOH to the solution to neutralize HBr
After the addition of HBr, a measured amount of NaOH is added to the solution to neutralize the HBr.
This step is critical to ensure that the pH of the solution is appropriate for the next step.
Step 4: Extract the product with ether
To isolate the desired product, ether is added to the solution, and the mixture is stirred for a specified period.
The product is then separated from the solution by filtration and washed with water to remove any impurities.
Step 5: Recrystallize the product in ethanol
The product obtained from the previous step is recrystallized in ethanol to obtain a pure form of 2-amino-5-bromopyrimidin-4-ol hydrobromide.
This step is critical to ensure the purity of the final product.
Step 6: Filter and dry the crystals
Finally, the recrystallized product is filtered and dried to remove any moisture.
The dried product is then weighed to obtain the exact mass of the final product.
Section 3: Optimization of the Process
The optimization of the production process of 2-amino-5-bromopyrimidin-4-ol hydrobromide is critical to ensure the