4-Methylpyridazin-3-amine

Base Information

• Chemical Name: 4-Methylpyridazin-3-amine
• CAS No.: 90568-15-3
• Molecular Formula: C₅H₇N₃
• Molecular Weight: 109.131
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID10547971
• Nikkaji Number: J1.208.560E
• Wikidata: Q82426528
• Mol file: 90568-15-3.mol

Synonyms:4-Methylpyridazin-3-amine;90568-15-3;3-Amino-4-methylpyridazine;3-Amino-4-methyl-pyridazine;MFCD08460975;3-Pyridazinamine, 4-methyl-;4-methyl-3-aminopyridazine;SCHEMBL2348605;DTXSID10547971;AMY24974;AKOS006288264;MB06298;AC-23583;AS-31173;SY013686;CS-0054996;EN300-2924679;A850782;J-511623

Chemical Property of 4-Methylpyridazin-3-amine

Chemical Property:

• Vapor Pressure: 0.000402mmHg at 25°C
• Refractive Index: 1.581
• Boiling Point: 316.8°Cat760mmHg
• Flash Point: 171.2°C
• PSA: 51.80000
• Density: 1.155g/cm³
• LogP: 0.94840
• Storage Temp.: 2-8°C(protect from light)
• XLogP3: -0.1
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 109.063997236
• Heavy Atom Count: 8
• Complexity: 74.1

Purity/Quality:

97% ^*data from raw suppliers

3-Amino-4-methyl-pyridazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(N=NC=C1)N
• Uses: 3-Amino-4-methyl-pyridazine is a reactant used in the synthesis of antiinflammatory agents such as 2-?phenylimidazo[1,?2-?b]?pyridazine-?3-?acetic acid.

Technology Process of 4-Methylpyridazin-3-amine

There total 7 articles about 4-Methylpyridazin-3-amine 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-(4-methylpyridazin-3-yl)hydrazine (82426-93-5) → 3-amino-4-methylpyridazine (90568-15-3)

Guidance literature:

With hydrogen; nickel; In methanol; at 20 ℃; under 760 Torr;

DOI:10.1021/jm00385a003

Reference yield:

α-methyl-γ-hydroxybutyrolactone (61892-47-5) → 3-amino-4-methylpyridazine (90568-15-3)

Guidance literature:

Multi-step reaction with 5 steps

1: hydrazine hydrate / ethanol / 4 h / Heating

2: 1.) Br₂, 2.) NaOAc / 1.) AcOH, 80 deg C, 2 h, 2.) AcOH, reflux, 1 h

3: phosphorus oxychloride / 4 h / 85 - 95 °C

4: hydrazine hydrate / butan-1-ol / 6 h / 100 °C

5: H₂ / Raney Ni / methanol / 20 °C / 760 Torr

With hydrogen; bromine; sodium acetate; hydrazine hydrate; trichlorophosphate; nickel; In methanol; ethanol; butan-1-ol;

DOI:10.1021/jm00385a003

Reference yield:

4-methylpyridazin-3(2H)-one (33471-40-8) → 3-amino-4-methylpyridazine (90568-15-3)

Guidance literature:

Multi-step reaction with 3 steps

1: phosphorus oxychloride / 4 h / 85 - 95 °C

2: hydrazine hydrate / butan-1-ol / 6 h / 100 °C

3: H₂ / Raney Ni / methanol / 20 °C / 760 Torr

With hydrogen; hydrazine hydrate; trichlorophosphate; nickel; In methanol; butan-1-ol;

DOI:10.1021/jm00385a003

upstream raw materials:

1-(4-methylpyridazin-3-yl)hydrazine

α-methyl-γ-hydroxybutyrolactone

4-methylpyridazin-3(2H)-one

3-chloro-4-methylpyridazine

Downstream raw materials:

(8-methyl-2-phenyl-imidazo[1,2-b]pyridazin-3-yl)-acetic acid ethyl ester