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

Base Information

• Chemical Name: 3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid
• CAS No.: 1015868-48-0
• Molecular Formula: C11H9ClN2O2
• Molecular Weight: 236.65
• Hs Code.: 2933199090
• European Community (EC) Number: 829-282-0
• DSSTox Substance ID: DTXSID40538534
• Wikidata: Q82413964
• Mol file: 1015868-48-0.mol

Synonyms:3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid;1015868-48-0;5-(4-chlorophenyl)-2-methylpyrazole-3-carboxylic acid;5-(4-CHLORO-PHENYL)-2-METHYL-2H-PYRAZOLE-3-CARBOXYLIC ACID;MFCD08446011;3-(4-Chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid, AldrichCPR;SCHEMBL2565586;DTXSID40538534;AKOS000271903;DS-18848;CS-0038337;EN300-111078;Y11119;A908440;F1967-0163;3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylicacid;3-(4-chlorophenyl)-1-methyl-1{H}-pyrazole-5-carboxylic acid

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

Chemical Property:

• Boiling Point: 443.7±35.0 °C(Predicted)
• PKA: 2.87±0.25(Predicted)
• PSA: 55.12000
• Density: 1.38±0.1 g/cm3(Predicted)
• LogP: 2.43870
• Storage Temp.: 2-8°C
• XLogP3: 2.4
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 236.0352552
• Heavy Atom Count: 16
• Complexity: 267

Purity/Quality:

97% ^*data from raw suppliers

3-(4-Chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylicAcid ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xn
• Statements: 22

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CN1C(=CC(=N1)C2=CC=C(C=C2)Cl)C(=O)O

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

There total 5 articles about 3-(4-chlorophenyl)-1-methyl-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: 100.0%

→ 1-methyl-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid (1015868-48-0)

Guidance literature:

With ethanol; potassium hydroxide; at 90 ℃; for 4h;

Reference yield:

methyl 3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylate (1391108-14-7) → 1-methyl-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid (1015868-48-0)

Guidance literature:

With water; lithium hydroxide; In tetrahydrofuran; at 70 ℃;

DOI:10.1016/j.ejmech.2013.03.048

Reference yield:

para-chloroacetophenone (99-91-2) → 1-methyl-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid (1015868-48-0)

Guidance literature:

Multi-step reaction with 4 steps

1: sodium methylate / methanol / 20 °C

2: acetic acid; hydrazine hydrate / Reflux

3: potassium carbonate / N,N-dimethyl-formamide / 50 °C

4: water; lithium hydroxide / tetrahydrofuran / 70 °C

With water; sodium methylate; potassium carbonate; hydrazine hydrate; acetic acid; lithium hydroxide; In tetrahydrofuran; methanol; N,N-dimethyl-formamide; 1: |Claisen Condensation;

DOI:10.1016/j.ejmech.2013.03.048

upstream raw materials:

para-chloroacetophenone

methyl 3‐(4‐chlorophenyl)‐1H‐pyrazole‐5‐carboxylate

methyl 3-(4-chlorophenyl)-1-methyl-1H-pyrazole-5-carboxylate

methyl 4-(4-chlorophenyl)-2,4-dioxobutanoate

Downstream raw materials:

(3-(4-chlorophenyl)-1-methyl-1H-pyrazol-5-yl)(piperidin-1-yl)methanone

(3-(4-chlorophenyl)-1-methyl-1H-pyrazol-5-yl)(morpholino)methanone

C₁₁H₈Cl₂N₂O