1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI)

Base Information

• Chemical Name: 1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI)
• CAS No.: 682757-38-6
• Molecular Formula: C12H20N2O2
• Molecular Weight: 224.3
• Mol file: 682757-38-6.mol

Synonyms:1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI)

Chemical Property of 1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI)

Chemical Property:

• PSA: 44.12000
• LogP: 2.37720

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI)

There total 5 articles about 1H-Pyrazole-5-carboxylicacid,3-(1,1-dimethylethyl)-1-ethyl-,ethylester(9CI) 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: 64.0%

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate (83405-70-3,916791-97-4,294852-57-6) + ethyl iodide (75-03-6) → ethyl 3-(1,1-dimethylethyl)-1-ethyl-1H-pyrazole-5-carboxylate (682757-38-6)

Guidance literature:

With potassium carbonate; In DMF (N,N-dimethyl-formamide); at 20 ℃; for 6h;

Reference yield: 57.0%

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate (83405-70-3,916791-97-4,294852-57-6) + ethyl bromide (74-96-4) → ethyl 3-(1,1-dimethylethyl)-1-ethyl-1H-pyrazole-5-carboxylate (682757-38-6)

Guidance literature:

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate; With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20 ℃; for 0.5h;

ethyl bromide; In N,N-dimethyl-formamide; at 0 - 55 ℃; for 18h;

Reference yield: 57.0%

ethyl bromide (74-96-4) + ethyl 3-(tert-butyl)-1H-pyrazole-5-carboxylate (83405-70-3,916791-97-4) → ethyl 3-(1,1-dimethylethyl)-1-ethyl-1H-pyrazole-5-carboxylate (682757-38-6)

Guidance literature:

ethyl 3-(tert-butyl)-1H-pyrazole-5-carboxylate; With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20 ℃; for 0.5h;

ethyl bromide; In N,N-dimethyl-formamide; at 55 ℃; for 18h;

upstream raw materials:

ethyl 5-(tert-butyl)-1H-pyrazole-3-carboxylate

ethyl iodide

ethyl bromide

ethyl 3-(tert-butyl)-1H-pyrazole-5-carboxylate

Downstream raw materials:

3-(1,1-dimethylethyl)-1-ethyl-1H-pyrazole-5-carboxylic acid