Pyrazolo[1,5-a]pyridine-3-carbonitrile

Base Information

• Chemical Name: Pyrazolo[1,5-a]pyridine-3-carbonitrile
• CAS No.: 25627-89-8
• Molecular Formula: C8H5N3
• Molecular Weight: 143.14500
• Hs Code.: 2933990090
• Mol file: 25627-89-8.mol

Synonyms:Pyrazolo<1,5-a>pyridin-3-carbonitril;3-cyanopyrazolo<1,5-a>pyridine;3-Cyanpyrazolo<1,5-a>pyridin;

Chemical Property of Pyrazolo[1,5-a]pyridine-3-carbonitrile

Chemical Property:

• PSA: 41.09000
• LogP: 1.20598

Purity/Quality:

99%, ^*data from raw suppliers

Pyrazolo[1,5-a]pyridine-3-carbonitrile ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Pyrazolo[1,5-a]pyridine-3-carbonitrile

There total 4 articles about Pyrazolo[1,5-a]pyridine-3-carbonitrile 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: 65.0%

Pyrazolo<1,5-a>pyridin-3-carbonsaeureethylester (16205-44-0) → pyrazolo[1,5-a]pyridine-3-carbonitrile (25627-89-8)

Guidance literature:

With dimethylaluminium amide; In xylene; for 7h; Heating;

DOI:10.1002/ardp.19883210905

Reference yield: 41.0%

N-aminopyridin-1-ium iodide (6295-87-0) + acrylonitrile (107-13-1,25014-41-9) → pyrazolo[1,5-a]pyridine-3-carbonitrile (25627-89-8)

Guidance literature:

With oxygen; In 1-methyl-pyrrolidin-2-one; at 20 ℃; for 24h;

DOI:10.1055/s-0036-1588753

Reference yield:

N-aminopyridin-1-ium iodide (6295-87-0) + 3-methoxy-2-propenenitrile (69194-03-2) → pyrazolo[1,5-a]pyridine-3-carbonitrile (25627-89-8)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 80 ℃;

upstream raw materials:

Pyrazolo<1,5-a>pyridin-3-carbonsaeureethylester

N-aminopyridin-1-ium iodide

3-methoxy-2-propenenitrile

acrylonitrile

Downstream raw materials:

α-cyano-2-pyridineacetonitrile

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