2-Butyl-4,5-dichloropyridazin-3(2H)-one

Base Information

• Chemical Name: 2-Butyl-4,5-dichloropyridazin-3(2H)-one
• CAS No.: 51659-49-5
• Molecular Formula: C8H10Cl2N2O
• Molecular Weight: 221.086
• DSSTox Substance ID: DTXSID90493386
• Nikkaji Number: J1.048.533I
• Wikidata: Q82340035
• Mol file: 51659-49-5.mol

Synonyms:2-Butyl-4,5-dichloropyridazin-3(2H)-one;51659-49-5;SCHEMBL2361037;DTXSID90493386;AKOS008470114

Chemical Property of 2-Butyl-4,5-dichloropyridazin-3(2H)-one

Chemical Property:

• XLogP3: 2.4
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 3
• Exact Mass: 220.0170183
• Heavy Atom Count: 13
• Complexity: 273

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCCCN1C(=O)C(=C(C=N1)Cl)Cl

Technology Process of 2-Butyl-4,5-dichloropyridazin-3(2H)-one

There total 2 articles about 2-Butyl-4,5-dichloropyridazin-3(2H)-one 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: 70.0%

1-bromo-butane (109-65-9) + 4,5-dichloro-2H-pyridazin-3-one (932-22-9) → 1-Butyl-4,5-dichlor-pyridazon (51659-49-5)

Guidance literature:

With potassium hydroxide; tetrabutylammomium bromide; In benzene; for 5h; Ambient temperature;

DOI:10.1055/s-1981-29552

Reference yield:

4,5-dichloro-2H-pyridazin-3-one (932-22-9) → 1-Butyl-4,5-dichlor-pyridazon (51659-49-5)

Guidance literature:

4,5-dichloro-2H-pyridazin-3-one; With tetrabutylammomium bromide; potassium hydroxide; In acetonitrile; Reflux;

n-butyl halide; In acetonitrile; for 5h; Reflux;

DOI:10.1055/s-0037-1609338

Reference yield: 78.0%

4-amino-2,6-dichlorophenol (5930-28-9) + 1-Butyl-4,5-dichlor-pyridazon (51659-49-5) → 4-(4-amino-2,6-dichlorophenoxy)-5-chloro-1-butylpyridazin-6-one

Guidance literature:

With potassium fluoride; potassium carbonate; In acetonitrile; for 3h; Heating;

DOI:10.1002/jhet.5570350630

upstream raw materials:

1-bromo-butane

4,5-dichloro-2H-pyridazin-3-one

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