3-chloro-6-(1H-pyrazol-4-yl)pyridazine

Base Information

• Chemical Name: 3-chloro-6-(1H-pyrazol-4-yl)pyridazine
• CAS No.: 1211519-08-2
• Molecular Formula: C7H5ClN4
• Molecular Weight: 180.59
• Mol file: 1211519-08-2.mol

Synonyms:3-Chloro-6-(4-pyrazolyl)pyridazine;3-chloro-6-(1H-pyrazol-4-yl)pyridazine;Pyridazine, 3-chloro-6-(1H-pyrazol-4-yl)-

Chemical Property of 3-chloro-6-(1H-pyrazol-4-yl)pyridazine

Chemical Property:

• PSA: 54.46000
• LogP: 1.52010
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

3-Chloro-6-(1H-pyrazol-4-yl)pyridazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of 3-chloro-6-(1H-pyrazol-4-yl)pyridazine

There total 3 articles about 3-chloro-6-(1H-pyrazol-4-yl)pyridazine 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: 90.0%

3-chloro-6-(1-trityl-1H-pyrazol-4-yl)pyridazine (1440965-04-7) → 3-chloro-6-(1H-pyrazol-4-yl)pyridazine (1211519-08-2)

Guidance literature:

With hydrogenchloride; water; In tetrahydrofuran; at 20 ℃; for 4h;

Reference yield:

C11H16ClN4(1+)*Cl(1-) → 3-chloro-6-(1H-pyrazol-4-yl)pyridazine (1211519-08-2)

Guidance literature:

With sodium carbonate; hydrazine hydrate; In methanol; at 40 - 50 ℃; for 2h;

Reference yield:

3-chloro-6-methylpyridazine (1121-79-5) → 3-chloro-6-(1H-pyrazol-4-yl)pyridazine (1211519-08-2)

Guidance literature:

Multi-step reaction with 2 steps

1.1: oxalyl dichloride / chloroform / 2 h / 0 - 15 °C / Large scale

1.2: 60 °C / Large scale

2.1: sodium carbonate; hydrazine hydrate / methanol / 2 h / 40 - 50 °C

With oxalyl dichloride; sodium carbonate; hydrazine hydrate; In methanol; chloroform;

upstream raw materials:

3-chloro-6-(1-trityl-1H-pyrazol-4-yl)pyridazine

3-chloro-6-methylpyridazine

Downstream raw materials:

3-chloro-6-(1-methyl-1H-pyrazol-4-yl)pyridazine

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