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[Chemical Knowledge]：What are the upstream raw materials for ethyl cyanoacetate? What do the downstream products contain?

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Ethyl cyanoacetate is an important organic synthesis intermediate, which is widely used in the production of pharmaceuticals, pesticides, dyes and other chemicals. The following are the upstream and downstream associated products of ethyl cyanoacetate:

upstream products:

1. ethyl chloroacetate: ethyl chloroacetate is an important precursor of ethyl cyanoacetate, through the addition reaction of ethyl chloroacetate and hydrocyanic acid, ethyl cyanoacetate can be prepared.

2. hydrocyanic acid: hydrocyanic acid is an important raw material in the production process of ethyl cyanoacetate, ethyl cyanoacetate can be obtained by reaction with ethyl chloroacetate.

downstream products:

1. anisole: ethyl cyanoacetate can be transesterified with phenol to produce anisole and acetic acid. Anisole is an important solvent and fragrance.

2. ethyl cyanoacrylate: ethyl cyanoacetate can be esterified with acrylic acid to produce ethyl cyanoacrylate. Ethyl cyanoacrylate is a fast-curing monomer, which is widely used in adhesives, coatings and other fields.

3. ethyl acetoacetate: ethyl cyanoacetate can be converted into ethyl acetoacetate through hydrolysis, acidification and other steps. Ethyl acetoacetate is an important pharmaceutical intermediate used in the production of anti-inflammatory and anti-epileptic drugs.

4. cyanoacetic acid: ethyl cyanoacetate can be hydrolyzed to generate cyanoacetic acid, cyanoacetic acid is a pesticide intermediates, used in the production of fungicides, herbicides and other pesticides.

In short, ethyl cyanoacetate is an important organic synthesis intermediate, and its upstream and downstream related products are extensive, involving medicine, pesticides, dyes and other fields.

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