2,6-Dibromopyridin-4-amine

Base Information

• Chemical Name: 2,6-Dibromopyridin-4-amine
• CAS No.: 39771-34-1
• Molecular Formula: C5H4Br2N2
• Molecular Weight: 251.908
• Hs Code.: 2933399090
• European Community (EC) Number: 829-027-3
• DSSTox Substance ID: DTXSID80555745
• Nikkaji Number: J89.308K
• Wikidata: Q72435640
• Mol file: 39771-34-1.mol

Synonyms:2,6-dibromopyridin-4-amine;39771-34-1;4-Amino-2,6-dibromopyridine;MFCD00234047;4-PYRIDINAMINE, 2,6-DIBROMO-;2,6-DIBROMO-PYRIDIN-4-YLAMINE;SCHEMBL221209;2,6-dibromo pyridin-4-ylamine;DTXSID80555745;NTFZVUOMTODHRO-UHFFFAOYSA-N;2 pound not6-Dibromopyridin-4-amine;CL0026;AKOS015855665;AB05102;CS-W002548;PS-4781;AC-23231;AM803840;SY006031;7P-004;EN300-136881;A824727;J-400017

Chemical Property of 2,6-Dibromopyridin-4-amine

Chemical Property:

• Vapor Pressure: 8.77E-06mmHg at 25°C
• Melting Point: 205-207 °C(Solv: hexane (110-54-3); benzene (71-43-2))
• Refractive Index: 1.672
• Boiling Point: 373.7 °C at 760 mmHg
• PKA: 0.80±0.50(Predicted)
• Flash Point: 179.8 °C
• PSA: 38.91000
• Density: 2.147 g/cm³
• LogP: 2.77000
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 251.87207
• Heavy Atom Count: 9
• Complexity: 89

Purity/Quality:

98%,99%, ^*data from raw suppliers

2,6-Dibromopyridin-4-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C=C(N=C1Br)Br)N

Technology Process of 2,6-Dibromopyridin-4-amine

There total 5 articles about 2,6-Dibromopyridin-4-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: 90.0%

2,6-dibromo-4-nitropyridine (175422-04-5) → 4-amino-2,6-dibromopyridine (39771-34-1)

Guidance literature:

2,6-dibromo-4-nitropyridine; With iron; acetic acid; at 90 ℃; for 0.5h; Heating / reflux;

With sodium hydroxide; In water; pH=12 - 14;

Reference yield: 25.0%

2,4,6-tribromopyridine (2408-70-0) → 4-amino-2,6-dibromopyridine (39771-34-1) + 4-bromo-pyridine-2,6-diamine (329974-09-6) + 2,4-diamino-6-bromopyridine

Guidance literature:

With ammonia; In water;

DOI:10.1021/op020085j

Reference yield:

2,4,6-tribromopyridine (2408-70-0) → 4-amino-2,6-dibromopyridine (39771-34-1) + 2-amino-4,6-dibromopyridine (408352-48-7)

Guidance literature:

With ammonium hydroxide; at 160 ℃; Nebenprodukt Nr_. 2: 6-Brom-pyridin-2,4-diyldiamin;

upstream raw materials:

2,4,6-tribromopyridine

ammonia

butan-1-ol

2,6-dibromo-4-nitropyridine

Downstream raw materials:

4-Amino-2,3,5,6-tetrabromopyridin

2,6-dibromo-4-phenylpyridine

N-[4-(2,6-dibromopyridin-4-ylsulfamoyl)phenyl]acetamide

4-amino-N-(2,6-dibromopyridin-4-yl)benzenesulfonamide

Refernces

• 1、 -. "PHARMACOLOGICALLY ACTIVE IMIDAZO[4,5-C]PYRIDINES". Page/Page column 43. . Retrieved 2010/02/11.