4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde

Base Information

• Chemical Name: 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde
• CAS No.: 307313-06-0
• Molecular Formula: C8H10N2O
• Molecular Weight: 150.18
• Hs Code.: 2933990090
• European Community (EC) Number: 838-911-8
• DSSTox Substance ID: DTXSID00474343
• Wikidata: Q82304310
• Mol file: 307313-06-0.mol

Synonyms:307313-06-0;4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde;4,5,6,7-Tetrahydro-pyrazolo-[1,5-a]pyridine-2-carbaldehyde;4H,5H,6H,7H-pyrazolo[1,5-a]pyridine-2-carbaldehyde;Pyrazolo[1,5-a]pyridine-2-carboxaldehyde, 4,5,6,7-tetrahydro-;SCHEMBL2924867;DTXSID00474343;XCQQWVWOKJBFCQ-UHFFFAOYSA-N;MFCD09056815;AKOS006329659;A5620;CS-0243647;FT-0682459;EN300-266649;Z1198184804

Chemical Property of 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde

Chemical Property:

• Boiling Point: 321.356 °C at 760 mmHg
• PKA: 0.59±0.20(Predicted)
• Flash Point: 148.151 °C
• PSA: 34.89000
• Density: 1.284 g/cm³
• LogP: 1.03190
• XLogP3: 0.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 150.079312947
• Heavy Atom Count: 11
• Complexity: 160

Purity/Quality:

97% ^*data from raw suppliers

4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1CCN2C(=CC(=N2)C=O)C1

Technology Process of 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde

There total 7 articles about 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde 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: 77.0%

(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methanol (623564-49-8) → 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde (307313-06-0)

Guidance literature:

With manganese(IV) oxide; In chloroform; for 1h; Heating / reflux;

Reference yield: 77.0%

(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methanol (623564-49-8) + MnO2 (activated) → 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde (307313-06-0)

Guidance literature:

In chloroform;

Reference yield: 37.0%

1-[4-(phenylselanyl)butyl]-1H-pyrazole-3-carbaldehyde (1052103-62-4) → 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbaldehyde (307313-06-0)

Guidance literature:

With triethyl borane; tris-(trimethylsilyl)silane; at 20 ℃; for 12h;

DOI:10.1016/j.tet.2008.06.014

upstream raw materials:

(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methanol

4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester

4,5,6,7-tetrahydro<1.2.3>oxadiazolo<3,4-a>pyridin-3-one

1-nitroso-piperidine-2-carboxylic acid

Downstream raw materials:

6-[acetoxy-(4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyridin-2-yl)-methyl]-6-bromo-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester