The Production Process of 4-CHLORO-5-METHOXYPYRIDAZIN-3(2H)-ONE

Introduction:

4-Chloro-5-methoxypyridaazin-3(2H)-one, also known as 3,5-dimethyl-4-nitro-2H-pyrazolo[3,4-d]pyrimidine, is a synthetic organic compound that is widely used in various applications, including as an intermediate in the production of pharmaceuticals, agrochemicals, and other chemical products.
The production process of 4-chloro-5-methoxypyridaazin-3(2H)-one involves several stages, including synthesis, purification, and isolation of the final product.

Synthesis:

The synthesis of 4-chloro-5-methoxypyridaazin-3(2H)-one typically involves several steps, including the reaction of a nitrogen compound with a carbonyl compound to form an imine, followed by a series of condensation and substitution reactions to produce the final product.
The specific synthesis route used can vary depending on the manufacturer and the desired product specifications.

Purification:

After the synthesis of 4-chloro-5-methoxypyridaazin-3(2H)-one, the product is typically purified to remove any impurities that may have been introduced during the synthesis process.
This can involve a variety of techniques, including crystallization, distillation, and chromatography.

Isolation:

After purification, the 4-chloro-5-methoxypyridaazin-3(2H)-one is typically isolated from any remaining impurities and other byproducts.
This can involve additional purification steps, such as recrystallization or distillation, as well as the formation of cakes or other solid forms.

Physical and Chemical Properties:

4-chloro-5-methoxypyridaazin-3(2H)-one is a yellow or off-white solid with a melting point of between 140-145°C.
The compound is highly soluble in water and various organic solvents, such as ethanol and methanol.

Applications:

4-chloro-5-methoxypyridaazin-3(2H)-one is used in a variety of applications, including as an intermediate in the production of pharmaceuticals, such as anti-inflammatory and anti-bacterial drugs, and agrochemicals, such as herbicides and pesticides.
The compound is also used in research and development, as a building block for the synthesis of other organic compounds.

Conclusion:

The production process of 4-chloro-5-methoxypyridaazin-3(2H)-one involves several stages, including synthesis, purification, and isolation of the final product.
The compound is widely used in various applications, including pharmaceuticals, agrochemicals, and research and development.
The specific production process and applications of 4-chloro-5-methoxypyridaazin-3(2H)-one can vary depending on the manufacturer and the desired product specifications.