ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate

Base Information

• Chemical Name: ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate
• CAS No.: 206884-89-1
• Molecular Formula: C₁₇H₁₉N₃O₃
• Molecular Weight: 313.356
• Mol file: 206884-89-1.mol

Synonyms:ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate

Chemical Property of ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate

Chemical Property:

Purity/Quality:

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Technology Process of ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate

There total 7 articles about ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 87.0%

4-ethoxycarbonylpyrazole (37622-90-5) + 5-iodo-2-isobutoxy-benzonitrile (1139901-87-3) → ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate (206884-89-1)

Guidance literature:

With trans-N,N'-dimethyl-1,2-cyclohexyldiamine; copper(l) iodide; potassium carbonate; In N,N-dimethyl-formamide; at 110 ℃; for 24h; regioselective reaction; Inert atmosphere;

DOI:10.1016/j.ejmech.2017.08.047

Reference yield:

ethyl 5-amino-1-(3-cyano-4-isobutoxyphenyl)-pyrazole-4-carboxylate + isopentyl nitrite (110-46-3) → ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate (206884-89-1)

Guidance literature:

In tetrahydrofuran;

Reference yield:

3-amino-1-(3-cyano-4-isobutoxy-phenyl)-1H-pyrazole-4-carboxylic acid ethyl ester → ethyl 1-(3'-cyano-4'-isobutoxyphenyl)-pyrazol-4-carboxylate (206884-89-1)

Guidance literature:

With isopentyl nitrite; In tetrahydrofuran;

DOI:10.1016/S0960-894X(01)00093-2

upstream raw materials:

ethyl (ethoxymethylene)cyanoacetate

3-cyano-4-isobutoxy-phenylhydrazine

isopentyl nitrite

5-bromo-2-hydroxybenzonitrile