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The chemical industry plays a crucial role in the production of various chemicals that are used in various applications.
One such chemical is 4-Chloro-5-methoxypyridazin-3(2H)-one, which is commonly used as an intermediate in the production of agrochemicals, pharmaceuticals, and other chemical products.
Upstream Products
The upstream products of 4-Chloro-5-methoxypyridazin-3(2H)-one are the raw materials required for its production.
These raw materials include 4-chloro-5-methoxypyridazin-2(1H)-one, which is obtained from the reaction of 4-methoxy-6-nitroquinoline with chloroacetyl chloride, and 3-hydroxy-5-methoxybenzaldehyde, which is obtained from the hydrolysis of 3-nitro-5-methoxybenzene.
The production of 4-chloro-5-methoxypyridazin-2(1H)-one involves the reaction of 4-methoxy-6-nitroquinoline with chloroacetyl chloride in the presence of a Lewis acid catalyst, such as aluminum chloride.
The reaction results in the formation of the 2-chloro-5-methoxy-6-nitroquinoline intermediate, which undergoes hydrolysis in the presence of water to produce 3-hydroxy-5-methoxybenzaldehyde.
Downstream Products
The downstream products of 4-Chloro-5-methoxypyridazin-3(2H)-one are the chemical products that are produced using this intermediate.
The most common downstream product of 4-Chloro-5-methoxypyridazin-3(2H)-one is 2,6-dichloro-4H-pyrido[1,2-b]pyrazin-3-one, which is commonly used as an herbicide.
The production of 2,6-dichloro-4H-pyrido[1,2-b]pyrazin-3-one involves the reaction of 3-hydroxy-5-methoxybenzaldehyde with chloroacetyl chloride in the presence of a Lewis acid catalyst, such as aluminum chloride.
The reaction results in the formation of 2-chloro-6-hydroxy-4H-pyrido[1,2-b]pyrazine-3-one, which undergoes further processing to produce the final product.
Other Downstream Products
In addition to 2,6-dichloro-4H-pyrido[1,2-b]pyrazin-3-one, 4-Chloro-5-methoxypyridazin-3(2H)-one can also be used in the production of other chemicals, including pharmaceuticals and agrochemicals.
For example, 4-Chloro-5-methoxypyridazin-3(2H)-one can be transformed into 4-chloro-5-(2,6-dinitrophenyl)-2H-pyrido[1,2-b]pyrazin-3-one, which is a commonly used herbicide.
Market and Applications
The demand for 4-Chloro-5-methoxypyridazin-3(2H)-one and its downstream products has been increasing in recent years due to the growing demand for agrochemicals and pharmaceuticals.
The production of 4-Chloro-5-methoxypyridaz
