Ethyl 3-Cyclopropylpyrazole-4-carboxylate

Base Information

• Chemical Name: Ethyl 3-Cyclopropylpyrazole-4-carboxylate
• CAS No.: 1246471-38-4
• Molecular Formula: C9H12N2O2
• Molecular Weight: 180.206
• Hs Code.: 2933199090
• Mol file: 1246471-38-4.mol

Synonyms:Ethyl 3-Cyclopropylpyrazole-4-carboxylate;ethyl 3-cyclopropyl-1H-pyrazole-4-carboxylate

Chemical Property of Ethyl 3-Cyclopropylpyrazole-4-carboxylate

Chemical Property:

• PSA: 78.16000
• LogP: 1.44800
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

99%, ^*data from raw suppliers

Ethyl 3-cyclopropylpyrazole-4-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Ethyl 3-Cyclopropylpyrazole-4-carboxylate

There total 2 articles about Ethyl 3-Cyclopropylpyrazole-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:

orthoformic acid triethyl ester (122-51-0) + Ethyl 3-cyclopropyl-3-oxopropionate (24922-02-9) → ethyl 3-cyclopropyl-1H-pyrazole-4-carboxylate (1246471-38-4)

Guidance literature:

orthoformic acid triethyl ester; Ethyl 3-cyclopropyl-3-oxopropionate; With acetic anhydride; at 120 - 140 ℃; for 7h;

With hydrazine; for 3h; Reflux;

Reference yield:

ethanol (64-17-5) + 3-cyclopropylpyrazole-4-carboxylic acid (870704-26-0) → ethyl 3-cyclopropyl-1H-pyrazole-4-carboxylate (1246471-38-4)

Guidance literature:

With sulfuric acid; Reflux;

Reference yield: 94.0%

ethyl 3-cyclopropyl-1H-pyrazole-4-carboxylate (1246471-38-4) + 1-(4-(bromomethyl)benzyl)-4-methyl-1H-pyrazole → 3-cyclopropyl-1-[4-(4-methylpyrazol-1-ylmethyl)benzyl]-1H-pyrazole-4-carboxylic acid ethyl ester

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 48h; Inert atmosphere;

upstream raw materials:

orthoformic acid triethyl ester

Ethyl 3-cyclopropyl-3-oxopropionate

ethanol

3-cyclopropylpyrazole-4-carboxylic acid

Downstream raw materials:

3-cyclopropyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxylic acid

N-(2-amino-2-oxoethyl)-3-cyclopropyl-1-[2-[3-(trifluoromethyl)benzyl]-1-benzothiophen-7-yl]-1H-pyrazole-4-carboxamide

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