1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol

Base Information

• Chemical Name: 1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol
• CAS No.: 70588-92-0
• Molecular Formula: C₈H₇ClN₄O
• Molecular Weight: 210.623
• DSSTox Substance ID: DTXSID00502655,DTXSID101224733
• Wikidata: Q82355860
• Mol file: 70588-92-0.mol

Synonyms:63480-43-3;1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol;2-(6-Chloropyridazin-3-yl)-5-methyl-1H-pyrazol-3(2H)-one;2-(6-CHLOROPYRIDAZIN-3-YL)-5-METHYL-1H-PYRAZOL-3-ONE;2-(6-Chloropyridazin-3-yl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one;70588-92-0;SCHEMBL3121995;SCHEMBL11454423;DTXSID00502655;GLEZUMPZSBSIJX-UHFFFAOYSA-N;SZUZPJSZDBWCRJ-UHFFFAOYSA-N;DTXSID101224733;AKOS005582771;VS-10940;CS-0331522;1-(6-Chloro-3-pyridazinyl)-3-methyl-1H-pyrazol-5-ol;3-chloro-6-(3-methyl-5-hydroxy-1-pyrazolyl)-pyridazine;2-(6-chloro-3-pyridazinyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one;2-(6-chloropyridazin-3-yl)-5-methyl-2,3-dihydro-1H-pyrazol-3-one

Chemical Property of 1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol

Chemical Property:

• XLogP3: 1.1
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 210.0308386
• Heavy Atom Count: 14
• Complexity: 281

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: CC1=CC(=O)N(N1)C2=NN=C(C=C2)Cl

Technology Process of 1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol

There total 1 articles about 1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol 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: 98.0%

3-Chloro-6-hydrazinopyridazine (17284-97-8) + ethyl acetoacetate (141-97-9) → 1-(3-chloropyridazin-6-yl)-3-methyl-1H-pyrazol-5-ol (70588-92-0) + 1-(ethoxycarbonyl)-2-propylidene-(6-chloro-3-pyridazinyl)hydrazine (31171-41-2)

Guidance literature:

In ethanol; for 1h; Reflux;

DOI:10.14233/ajchem.2013.14590

Reference yield: 85.0%

1-(3-chloropyridazin-6-yl)-3-methyl-1H-pyrazol-5-ol (70588-92-0) + aniline (62-53-3) → (E)-1-(6-chloropyridazin-3-yl)-3-methyl-4-(phenyldiazenyl)-1H-pyrazol-5-ol

Guidance literature:

1-(3-chloropyridazin-6-yl)-3-methyl-1H-pyrazol-5-ol; With sodium hydroxide; at 20 ℃; for 0.0833333h;

aniline; With hydrogenchloride; sodium nitrite; In water; at 0 - 20 ℃; for 1.5h;

DOI:10.1016/j.bioorg.2018.11.039

Reference yield: 85.0%

1-(3-chloropyridazin-6-yl)-3-methyl-1H-pyrazol-5-ol (70588-92-0) + 4-bromo-aniline (106-40-1) → (E)-4-((4-bromophenyl)diazenyl)-1-(6-chloropyridazin-3-yl)-3-methyl-1H-pyrazol-5-ol

Guidance literature:

1-(3-chloropyridazin-6-yl)-3-methyl-1H-pyrazol-5-ol; With sodium hydroxide; at 20 ℃; for 0.0833333h;

4-bromo-aniline; With hydrogenchloride; sodium nitrite; In water; at 0 - 20 ℃; for 1.5h;

DOI:10.1016/j.bioorg.2018.11.039

upstream raw materials:

3-Chloro-6-hydrazinopyridazine

ethyl acetoacetate

Downstream raw materials:

Toluene-4-sulfonic acid 2-(6-chloro-pyridazin-3-yl)-5-methyl-4-[1-(toluene-4-sulfonyl)-1,4-dihydro-pyridin-4-yl]-2H-pyrazol-3-yl ester