5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine

Base Information

• Chemical Name: 5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine
• CAS No.: 73895-37-1
• Molecular Formula: C₅H₃ClN₄
• Molecular Weight: 154.559
• Hs Code.: 2933990090
• European Community (EC) Number: 889-845-1
• DSSTox Substance ID: DTXSID00603035
• Wikidata: Q72460005
• Mol file: 73895-37-1.mol

Synonyms:5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine;73895-37-1;5-chloro-1H-[1,2,3]triazolo[4,5-b]pyridine;5-chloro-2H-triazolo[4,5-b]pyridine;MFCD18258955;5-Chloro-2H-[1,2,3]triazolo[4,5-b]pyridine;1H-1,2,3-Triazolo[4,5-b]pyridine, 5-chloro-;SCHEMBL1673907;DTXSID00603035;VWIPQRGRUVTCMF-UHFFFAOYSA-N;AKOS015998696;AKOS024050490;AS-30909;SY113474;DB-107543;CS-0156754;EN300-60552;5-Chloro-3H-1,2,3-triazolo[4,5-b]pyridine;A866007;Z951303230

Chemical Property of 5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine

Chemical Property:

• Boiling Point: 241℃
• Flash Point: 99℃
• PSA: 54.46000
• Density: 1.84
• LogP: 1.00630
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: 1.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 154.0046238
• Heavy Atom Count: 10
• Complexity: 131

Purity/Quality:

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

5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC(=NC2=NNN=C21)Cl

Technology Process of 5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine

There total 4 articles about 5-Chloro-3H-[1,2,3]triazolo[4,5-b]pyridine 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:

6-chloropyridine-2,3-diamine (40851-95-4) → 5-chloro-1H-[1,2,3]triazolo[4,5-b]pyridine (73895-37-1)

Guidance literature:

With potassium nitrite; sulfuric acid;

Reference yield:

2-amino-6-chloro-3-nitropyridine (27048-04-0) → 5-chloro-1H-[1,2,3]triazolo[4,5-b]pyridine (73895-37-1)

Guidance literature:

Multi-step reaction with 2 steps

1.1: tin(II) chloride dihdyrate / ethyl acetate; tert-butyl alcohol / 1 h / 60 °C / Inert atmosphere

1.2: 3 h / 60 °C

2.1: sulfuric acid / water

2.2: 1.25 h / -15 °C

With tin(II) chloride dihdyrate; sulfuric acid; In water; ethyl acetate; tert-butyl alcohol;

Reference yield:

2-amino-3-nitropyridine (4214-75-9) → 5-chloro-1H-[1,2,3]triazolo[4,5-b]pyridine (73895-37-1)

Guidance literature:

Multi-step reaction with 2 steps

1: tin; hydrochloric acid

2: diluted sulfuric acid; potassium nitrite

With hydrogenchloride; tin; potassium nitrite; sulfuric acid;

upstream raw materials:

6-chloropyridine-2,3-diamine

2-amino-3-nitropyridine

2-amino-6-chloro-3-nitropyridine

Refernces