The Upstream and Downstream products of 4,6-Dichloro-3-pyridazinecarboxylic acid

4,6-Dichloro-3-pyridazinecarboxylic acid, also known as 4,6-DC3PA, is a synthetic organic compound commonly used in the chemical industry.
It is an important intermediate in the production of a variety of chemical products, both upstream and downstream.

Upstream Products

4,6-DC3PA is used as an intermediate in the production of several important chemicals, including pharmaceuticals, agrochemicals, and specialty chemicals.
One of the most important upstream products is the herbicide metribuzin, which is used to control weeds in a variety of agricultural applications.

Metribuzin is created by reacting 4,6-DC3PA with a variety of other chemicals, including chloroacetic acid and thiophosgene.
This process involves several steps, including the conversion of 4,6-DC3PA to its corresponding acid chloride, followed by the addition of chloroacetic acid to form the corresponding ester.
The ester is then transformed into the final product, metribuzin, through a series of chemical reactions.

Another important upstream product is the herbicide paraquat, which is used to control weeds in crops such as soybeans, cotton, and rice.
Paraquat is created by reacting 4,6-DC3PA with a second intermediate, diethyldithiocarbamate (DDC).
The reaction between 4,6-DC3PA and DDC produces a compound known as 2,4-diamino-6-chloroperoxybenzoic acid, which is further transformed into paraquat through a series of chemical reactions.

Downstream Products

4,6-DC3PA is also used as a building block for the production of a variety of downstream products, including dyestuffs, pharmaceuticals, and agrochemicals.
One of the most important downstream products is the dyestuff sulfur black, which is used in the production of inkjet printers and other electronic devices.

Sulfur black is created by reacting 4,6-DC3PA with a variety of other chemicals, including chloroform and sodium hydroxide.
This process involves several steps, including the conversion of 4,6-DC3PA to its corresponding sodium salt, followed by the addition of chloroform and subsequent heating to form the final product, sulfur black.

Another important downstream product is the pharmaceutical intermediate amoxicillin, which is used to treat a variety of bacterial infections.
Amoxicillin is created by reacting 4,6-DC3PA with a second intermediate, phenylglycinate, followed by a series of chemical reactions to form the final product.

Finally, 4,6-DC3PA is also used as an intermediate in the production of the agrochemical cycloxamide, which is used to control plant diseases such as rust and powdery mildew.
Cycloxamide is created by reacting 4,6-DC3PA with a variety of other chemicals, including sulfuric acid and formaldehyde.

In conclusion, 4,6-Dichloro-3-pyridazinecarboxylic acid is an important intermediate in the production of a variety of chemical products, both upstream and downstream.
Its versatility and reactivity make it a popular building block for the production of a wide range of chemicals, and its use is likely to continue to grow in the years to come.