1-methyl-5--4-chloro-pyrazole

Base Information

• Chemical Name: 1-methyl-5--4-chloro-pyrazole
• CAS No.: 129308-99-2
• Molecular Formula: C₉H₁₁ClN₂O₄
• Molecular Weight: 246.65

Synonyms:

Chemical Property of 1-methyl-5--4-chloro-pyrazole

Chemical Property:

Purity/Quality:

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Technology Process of 1-methyl-5--4-chloro-pyrazole

There total 2 articles about 1-methyl-5--4-chloro-pyrazole 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:

1,5-dimethyl-1H-pyrazole (694-31-5) → 1,5-dimethyl-4-chloropyrazole (84703-26-4) + 1-methyl-4-chloro-5-(chloromethyl)pyrazole (129308-95-8) + 1-methyl-4-chloro-5-(dichloromethyl)-pyrazole (84703-27-5) + 1-methyl-5--4-chloro-pyrazole (129308-99-2)

Guidance literature:

With sodium acetate; chlorine; In acetic acid; at 100 ℃; for 2h; Further byproducts given. Title compound not separated from byproducts;

DOI:10.1007/BF00472550

Reference yield:

1,5-dimethyl-1H-pyrazole (694-31-5) → 1,5-dimethyl-4-chloropyrazole (84703-26-4) + 1-methyl-4-chloro-5-(chloromethyl)pyrazole (129308-95-8) + 1-methyl-4-chloro-5-(dichloromethyl)-pyrazole (84703-27-5) + 1-methyl-3,4-dichloro-5-(dichloromethyl)pyrazole (129308-97-0) + 1-methyl-5--4-chloro-pyrazole (129308-99-2)

Guidance literature:

With sodium acetate; chlorine; In acetic acid; at 100 ℃; for 1h; Product distribution; other conditions: other reaction times;

DOI:10.1007/BF00472550

upstream raw materials:

1,5-dimethyl-1H-pyrazole

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