5,6-Dichloropyridine-2,3-diamine

Base Information

• Chemical Name: 5,6-Dichloropyridine-2,3-diamine
• CAS No.: 97941-89-4
• Molecular Formula: C5H5Cl2N3
• Molecular Weight: 178.021
• Hs Code.: 2933399090
• European Community (EC) Number: 863-104-2
• DSSTox Substance ID: DTXSID70542129
• Wikidata: Q72467997
• Mol file: 97941-89-4.mol

Synonyms:5,6-Dichloropyridine-2,3-diamine;97941-89-4;2,3-Diamino-5,6-dichloropyridine;2,3-Pyridinediamine, 5,6-dichloro-;SCHEMBL8479600;DTXSID70542129;CHGCWQGIACIHHI-UHFFFAOYSA-N;5,6-dichloropyridin-2,3-diamine;5,6-dichloro-pyridine-2,3-diamine;MFCD13181782;AKOS016005875;DS-14683;CS-0187084;EN300-122195;O11323

Chemical Property of 5,6-Dichloropyridine-2,3-diamine

Chemical Property:

• Melting Point: 167℃ (water )
• PSA: 64.93000
• LogP: 2.71520
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• XLogP3: 1.4
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 176.9860526
• Heavy Atom Count: 10
• Complexity: 122

Purity/Quality:

98%min ^*data from raw suppliers

5,6-dichloropyridine-2,3-diamine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C(=NC(=C1Cl)Cl)N)N

Technology Process of 5,6-Dichloropyridine-2,3-diamine

There total 9 articles about 5,6-Dichloropyridine-2,3-diamine 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: 92.0%

2-amino-5,6-dichloro-3-nitropyridine (203794-33-6) → 5,6-dichloropyridine-2,3-diamine (97941-89-4)

Guidance literature:

With iron; ammonium chloride; In ethanol; water; at 60 ℃; for 3h;

Reference yield: 49.0%

2-amino-5-chloro-3-nitropyridine (5409-39-2) → 5,6-dichloropyridine-2,3-diamine (97941-89-4)

Guidance literature:

With hydrogenchloride; tin(ll) chloride; In water; at 80 - 100 ℃; for 0.5h;

Reference yield:

2-amino-6-chloro-3-nitropyridine (27048-04-0) → 5,6-dichloropyridine-2,3-diamine (97941-89-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 76 percent / Cl₂ / ethanol / 0.67 h / 0 °C

2: 12.7 g / Fe, CaCl₂, H₂O / ethanol / 1 h / Heating

With water; chlorine; iron; calcium chloride; In ethanol;

DOI:10.1016/S0968-0896(97)00156-9

upstream raw materials:

2-amino-5-chloro-3-nitropyridine

2-amino-5,6-dichloro-3-nitropyridine

hydrogenchloride

2-amino-6-chloro-3-nitropyridine

Downstream raw materials:

5,6-Dichloro-3H-imidazo[4,5-b]pyridine

OH