1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid

Base Information

• Chemical Name: 1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid
• CAS No.: 293758-83-5
• Molecular Formula: C9H9N3O2
• Molecular Weight: 191.18700
• DSSTox Substance ID: DTXSID70573377
• Wikidata: Q82462092
• Mol file: 293758-83-5.mol

Synonyms:1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid;293758-83-5;1-methyl-5-pyrrol-1-ylpyrazole-4-carboxylic acid;1H-Pyrazole-4-carboxylic acid, 1-methyl-5-(1H-pyrrol-1-yl)-;MFCD01871363;1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylic acid;SCHEMBL1406875;DTXSID70573377;HVOLMMKQGYDNND-UHFFFAOYSA-N;AKOS000202760;SB62828;VS-09271;CS-0215706;EN300-28232;G28332;Z235354543;1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylicacid

Chemical Property of 1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid

Chemical Property:

• PSA: 60.05000
• LogP: 0.90900
• XLogP3: 0.5
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 2
• Exact Mass: 191.069476538
• Heavy Atom Count: 14
• Complexity: 228

Purity/Quality:

97% ^*data from raw suppliers

1-Methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CN1C(=C(C=N1)C(=O)O)N2C=CC=C2

Technology Process of 1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-carboxylic acid

There total 2 articles about 1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazole-4-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: 97.0%

ethyl 1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylate (175137-01-6) → 1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylic acid (293758-83-5)

Guidance literature:

With sodium hydroxide; In ethanol; for 1.5h; Heating;

DOI:10.1002/jhet.5570380506

Reference yield:

ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate (31037-02-2) → 1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylic acid (293758-83-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 85 percent / AcOH / 3 h / Heating

2: 97 percent / aq. NaOH / ethanol / 1.5 h / Heating

With sodium hydroxide; acetic acid; In ethanol; 1: Clauson-Kass reaction;

DOI:10.1002/jhet.5570380506

Reference yield:

1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylic acid (293758-83-5) → 5-[2-ethoxy-5-(4-methylpiperazine-1-sulfonyl)phenyl]-1-methylpyrazolo[4,3-e]pyrrolo[1,2-a]pyrazine

Guidance literature:

Multi-step reaction with 3 steps

1.1: triethylamine; ClCO₂C₂H₅ / acetone / 0.5 h / 0 °C

1.2: 72 percent / sodium azide / acetone; H₂O / 1 h / 0 °C

2.1: 32 percent / 10N hydrochloric acid / 0.17 h / Heating

3.1: 19 percent / ethanol / 48 h / Heating

With hydrogenchloride; chloroformic acid ethyl ester; triethylamine; In ethanol; acetone; 2.1: Weinstock-Curtius rearrangement;

DOI:10.1002/jhet.5570380506

upstream raw materials:

ethyl 1-methyl-5-pyrrol-1-yl-1H-pyrazole-4-carboxylate

ethyl 5-amino-1-methyl-1H-pyrazole-4-carboxylate

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