Pyrazolo[1,5-A]pyridine-2-carbohydrazide

Base Information

• Chemical Name: Pyrazolo[1,5-A]pyridine-2-carbohydrazide
• CAS No.: 80537-15-1
• Molecular Formula: C₈H₈N₄O
• Molecular Weight: 176.178
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID00512052
• Wikidata: Q82371134
• Mol file: 80537-15-1.mol

Synonyms:PYRAZOLO[1,5-A]PYRIDINE-2-CARBOHYDRAZIDE;80537-15-1;PYRAZOLO[1,5-A]PYRIDINE-2-CARBOXYLIC ACID HYDRAZIDE;DTXSID00512052;MFCD04115111;AKOS006295159;AB19639;2-pyrazolo[1,5-a]pyridinecarbohydrazide;CS-0326362;FT-0693897;A839936;Pyrazolo[1,5-a]pyridine-2-carbohydrazide, AldrichCPR;1,2-Benzenedicarboxylic acid, 1-[(1S,2R,5S)-5-methyl-2-(1-methylethyl)cyclohexyl] ester

Chemical Property of Pyrazolo[1,5-A]pyridine-2-carbohydrazide

Chemical Property:

• PSA: 72.42000
• LogP: 1.02900
• Storage Temp.: Sealed in dry,Room Temperature
• XLogP3: -0.1
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 176.06981089
• Heavy Atom Count: 13
• Complexity: 208

Purity/Quality:

97% ^*data from raw suppliers

Pyrazolo[1,5-a]pyridine-2-carbohydrazide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=CC(=NN2C=C1)C(=O)NN

Technology Process of Pyrazolo[1,5-A]pyridine-2-carbohydrazide

There total 4 articles about Pyrazolo[1,5-A]pyridine-2-carbohydrazide 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: 62.0%

Pyrazolo[1,5-a]pyridine-2-carboxylic acid dimethylamide (80537-13-9) → pyrazolo<1,5-a>pyridine-2-carboxhydrazide (80537-15-1)

Guidance literature:

With hydrazine; for 16h; Ambient temperature;

Reference yield:

pyrazolo[1,5-a]pyridine-2-carboxylic acid (63237-88-7) → pyrazolo<1,5-a>pyridine-2-carboxhydrazide (80537-15-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) oxalyl chloride / 1) toluene, 60 deg C, 4.5 h, 2) dichloromethane, -60 deg C to room temperature

2: 62 percent / anhydrous hydrazine / 16 h / Ambient temperature

With oxalyl dichloride; hydrazine;

Reference yield:

pyrazolo[1,5-a]pyridine-2,3-dicarboxylic acid (63237-87-6) → pyrazolo<1,5-a>pyridine-2-carboxhydrazide (80537-15-1)

Guidance literature:

Multi-step reaction with 3 steps

1: 97 percent / polyphosphoric acid / 16 h / 80 °C

2: 1) oxalyl chloride / 1) toluene, 60 deg C, 4.5 h, 2) dichloromethane, -60 deg C to room temperature

3: 62 percent / anhydrous hydrazine / 16 h / Ambient temperature

With PPA; oxalyl dichloride; hydrazine;

upstream raw materials:

Pyrazolo[1,5-a]pyridine-2-carboxylic acid dimethylamide

pyrazolo[1,5-a]pyridine-2-carboxylic acid

pyrazolo[1,5-a]pyridine-2,3-dicarboxylic acid

pyrazolo<1,5-a>pyridine-2,3-dicarboxylic acid dimethyl ester

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