4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid

Base Information

• Chemical Name: 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid
• CAS No.: 128694-71-3
• Molecular Formula: C₆H₄ClF₃N₂O₂
• Molecular Weight: 228.558
• Hs Code.: 2933199090
• DSSTox Substance ID: DTXSID201160908
• Mol file: 128694-71-3.mol

Synonyms:128694-71-3;4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid;4-chloro-2-methyl-5-(trifluoromethyl)pyrazole-3-carboxylic Acid;MFCD03419669;4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid(SALTDATA: FREE);SCHEMBL8304642;DTXSID201160908;4-Chloro-2-methyl-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid;BBL038649;STK312369;AKOS000308102;BS-37299;CS-0300505;EN300-83588;4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylicacid;4-chloro-2-methyl-5-trifluoromethyl-2 h-pyrazole-3-carboxylic acid

Chemical Property of 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid

Chemical Property:

• Melting Point: 180-182 °C
• Boiling Point: 320.9±42.0 °C(Predicted)
• PKA: 1.34±0.38(Predicted)
• PSA: 55.12000
• Density: 1.71±0.1 g/cm3(Predicted)
• LogP: 1.79050
• XLogP3: 1.6
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 1
• Exact Mass: 227.9913396
• Heavy Atom Count: 14
• Complexity: 248

Purity/Quality:

99% ^*data from raw suppliers

4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylicacid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CN1C(=C(C(=N1)C(F)(F)F)Cl)C(=O)O

Technology Process of 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid

There total 1 articles about 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid 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: 80.0%

1-methyl-3-(trifluoromethyl)pyrazole-5-carboxylic acid (128694-63-3) → 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (128694-71-3)

Guidance literature:

With sodium hypochlorite; acetic acid; In water; at 20 ℃; for 16h;

DOI:10.1021/jo800251g

Reference yield: 14.0%

(4-(4-ethylthiazol-2-yl)phenyl)methanamine + 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (128694-71-3) → 4-chloro-N-(4-(4-ethylthiazol-2-yl)benzyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide

Guidance literature:

4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid; With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In N,N-dimethyl-formamide; for 0.0833333h;

(4-(4-ethylthiazol-2-yl)phenyl)methanamine; In N,N-dimethyl-formamide; at 20 ℃; for 16h;

DOI:10.1021/acs.jmedchem.8b01544

Reference yield:

3-amino benzophenone (2835-78-1) + 4-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (128694-71-3) → 4-Chloro-2-methyl-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid (3-benzoyl-phenyl)-amide

Guidance literature:

With polymer-bound EDC; Yield given. Multistep reaction; 1.) CH₂Cl₂, room temperature, 30 min, 2.) 50 deg C;

DOI:10.1021/jo970571i

upstream raw materials:

1-methyl-3-(trifluoromethyl)pyrazole-5-carboxylic acid

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