ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate

Base Information

• Chemical Name: ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate
• CAS No.: 1345992-61-1
• Molecular Formula: C₁₄H₁₅Cl₂N₃O₂
• Molecular Weight: 328.198

Synonyms:ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate

Chemical Property of ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate

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Technology Process of ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate

There total 1 articles about ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-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: 61.0%

potassium 3-cyano-1-ethoxy-1-oxopent-2-en-2-olate (1345992-59-7) + 3,4-dichlorophenylhydrazine hydrochloride (19763-90-7) → ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate (1345992-61-1)

Guidance literature:

In ethanol; for 5h; Reflux;

DOI:10.1016/j.ejmech.2011.09.037

Reference yield: 74.0%

cis,trans-2,5-dimethoxytetrahydrofuran (696-59-3) + ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate (1345992-61-1) → ethyl 1-(3,4-dichlorophenyl)-4-ethyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-3-carboxylate (1345992-63-3)

Guidance literature:

With acetic acid; for 1h; Reflux;

DOI:10.1016/j.ejmech.2011.09.037

Reference yield: 71.0%

ethyl 5-amino-1-(3,4-dichlorophenyl)-4-ethyl-1H-pyrazole-3-carboxylate (1345992-61-1) + 2,5-hexanedione (110-13-4) → ethyl 1-(3,4-dichlorophenyl)-5-(2,5-dimethyl-1H-pyrrol-1-yl)-4-ethyl-1H-pyrazole-3-carboxylate (1345992-70-2)

Guidance literature:

With acetic acid; at 110 ℃; for 1h;

DOI:10.1016/j.ejmech.2011.09.037

upstream raw materials:

potassium 3-cyano-1-ethoxy-1-oxopent-2-en-2-olate

3,4-dichlorophenylhydrazine hydrochloride

Downstream raw materials:

ethyl 1-(3,4-dichlorophenyl)-4-ethyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-3-carboxylate

N-(3,4-dichlorobenzyl)-1-(3,4-dichlorophenyl)-4-ethyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-3-carboxamide

N-cyclohexyl-1-(3,4-dichlorophenyl)-4-ethyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-3-carboxamide

N-(3,4-dichlorobenzyl)-1-(3,4-dichlorophenyl)-5-(2,5-dimethyl-1H-pyrrol-1-yl)-4-ethyl-1H-pyrazole-3-carboxamide

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