[1,2,4]Triazolo[1,5-a]pyridin-2-amine

Base Information

• Chemical Name: [1,2,4]Triazolo[1,5-a]pyridin-2-amine
• CAS No.: 874-46-4
• Molecular Formula: C6H6N4
• Molecular Weight: 134.13900
• Hs Code.: 2933990090
• Mol file: 874-46-4.mol

Synonyms:2-amino[1,2,4]triazolo[1,5-a]pyridine;2-amino-s-triazolo-<1,5-a>-pyridne;[1,2,4]TRIAZOLO[1,5-A]PYRIDIN-2-YLAMINE;2-Amino-s-triazolo

Chemical Property of [1,2,4]Triazolo[1,5-a]pyridin-2-amine

Chemical Property:

• Melting Point: 110-112℃
• PKA: 5.25±0.30(Predicted)
• PSA: 56.21000
• Density: 1.5g/cm3
• LogP: 0.89270

Purity/Quality:

97% ^*data from raw suppliers

[1,2,4]triazolo[1,5-a]pyridin-2-amine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of [1,2,4]Triazolo[1,5-a]pyridin-2-amine

There total 7 articles about [1,2,4]Triazolo[1,5-a]pyridin-2-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%

N-ethoxycarbonyl-N'-(pyridin-2-yl)tiourea (23822-54-0) → 2-amino-s-triazolo-<1,5-a>-pyridne (874-46-4)

Guidance literature:

With hydroxylamine hydrochloride; triethylamine; In methanol; ethanol; for 3h; Reflux;

Reference yield: 24.0%

N-(Tetrazolyl-5')-2-pyridylamine (76105-82-3) → 2-amino-s-triazolo-<1,5-a>-pyridne (874-46-4)

Guidance literature:

With PPA; at 200 ℃; for 0.5h;

DOI:10.1007/BF01134190

Reference yield:

2-aminopyridine (504-29-0) + Ethoxycarbonyl isothiocyanate (16182-04-0) → 2-amino-s-triazolo-<1,5-a>-pyridne (874-46-4)

Guidance literature:

2-aminopyridine; Ethoxycarbonyl isothiocyanate; In dichloromethane; at 20 ℃; for 4h;

With hydroxylamine hydrochloride; N-ethyl-N,N-diisopropylamine; at 20 ℃; Reflux;

upstream raw materials:

N-(Tetrazolyl-5')-2-pyridylamine

N-ethoxycarbonyl-N'-(pyridin-2-yl)tiourea

5-Amino-1-(pyridyl-2')tetrazole

N-(pyridin-2-yl)cyanamide

Downstream raw materials:

2-chloro-[1,2,4]triazolo[1,5-a]pyridine

2-bromo-[1,2,4]triazolo[1,5-a]pyridine

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