2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one

Base Information

• Chemical Name: 2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one
• CAS No.: 118801-67-5
• Molecular Formula: C6H9N3O
• Molecular Weight: 139.157
• European Community (EC) Number: 829-904-0
• Mol file: 118801-67-5.mol

Synonyms:2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one;118801-67-5;5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one;5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3-ol;5,6,7,8-tetrahydro-2h-[1,2,4]triazolo[4,3-a]pyridin-3-one;SCHEMBL3520458;HMS1620N06;AKOS015866723;AKOS023414093;CCG-321170;NCGC00445616-01;BS-11805;CS-0144923;EN300-65530;G33414;F6660-4168;Z1020851196;5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one

Chemical Property of 2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one

Chemical Property:

• XLogP3: -0.2
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 139.074561919
• Heavy Atom Count: 10
• Complexity: 199

Purity/Quality:

97% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1CCN2C(=NNC2=O)C1

Technology Process of 2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one

There total 1 articles about 2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-3-one 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:

2,3,4,5-tetrahydro-6-methoxypyridine (5693-62-9) + ethylhydrazine carboxylate (4114-31-2) → 5,6,7,8-tetrahydro-1,2,4-triazolo<4,3-a>pyridin-3(2H)-one (118801-67-5)

Guidance literature:

With ethanol;

Reference yield: 62.0%

5,6,7,8-tetrahydro-1,2,4-triazolo<4,3-a>pyridin-3(2H)-one (118801-67-5) + tert-butyl 2,4,5-trifluorobenzoate (182875-05-4) → tert-butyl 2,5-difluoro-4-(3-oxo-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)benzoate

Guidance literature:

With potassium carbonate; In acetonitrile; for 72h; Reflux; Inert atmosphere;

Reference yield: 56.0%

5,6,7,8-tetrahydro-1,2,4-triazolo<4,3-a>pyridin-3(2H)-one (118801-67-5) + 2,4,5-trifluorobenzonitrile (98349-22-5) → 2,5-difluoro-4-(3-oxo-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)benzonitrile

Guidance literature:

With potassium carbonate; In acetonitrile; Reflux;

upstream raw materials:

2,3,4,5-tetrahydro-6-methoxypyridine

ethylhydrazine carboxylate

Downstream raw materials:

(4-Fluoro-phenyl)-{1-[2-(3-oxo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-2-yl)-ethyl]-piperidin-4-ylidene}-acetonitrile

2-[2-[4-(4-Fluorobenzoyl)piperidin-1-yl]ethyl]-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]-pyridin-3(2H)-one

2-[2-[4-(4-chlorobenzoyl)piperidin-1-yl]ethyl]-5,6,7,8-tetrahydro-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one

2-{3-[4-(4-Fluoro-benzoyl)-piperidin-1-yl]-propyl}-5,6,7,8-tetrahydro-2H-[1,2,4]triazolo[4,3-a]pyridin-3-one

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