10H-chromeno[3,2-b]pyridin-10-one

Base Information

• Chemical Name: 10H-chromeno[3,2-b]pyridin-10-one
• CAS No.: 6537-46-8
• Molecular Formula: C12H7NO2
• Molecular Weight: 197.193
• Hs Code.: 2934999090
• DSSTox Substance ID: DTXSID80983983
• Wikidata: Q82970991
• Mol file: 6537-46-8.mol

Synonyms:10H-chromeno[3,2-b]pyridin-10-one;chromeno[3,2-b]pyridin-10-one;54629-31-1;10H-[1]Benzopyrano[3,2-b]pyridin-10-one;azaxanthone;Oprea1_259780;SCHEMBL654368;DTXSID80983983;YAUODDQCNOBEDJ-UHFFFAOYSA-N;BCP30774;10-[1]benzopyrano[3,2-b]pyridinone;AKOS015951066;AS-61589;A835095;5H-Chromeno[2,3-b]pyridin-5-one

Chemical Property of 10H-chromeno[3,2-b]pyridin-10-one

Chemical Property:

• Appearance/Colour: solid
• Vapor Pressure: 5.39E-06mmHg at 25°C
• Melting Point: 180-182 °C
• Refractive Index: 1.651
• Boiling Point: 380.6 °C at 760 mmHg
• PKA: 0.54±0.20(Predicted)
• Flash Point: 184 °C
• PSA: 43.10000
• Density: 1.342 g/cm³
• LogP: 2.34120
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 197.047678466
• Heavy Atom Count: 15
• Complexity: 266

Purity/Quality:

99% ^*data from raw suppliers

5H-Chromeno[2,3-b]pyridin-5-one ^*data from reagent suppliers

Safty Information:

• Safety Statements: S24/25:Avoid contact with skin and eyes.

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C2C(=C1)C(=O)C3=C(O2)C=CC=N3
• Uses: 5H-chromeno[2,3-b]pyridin-5-one is a useful reactant and chemical for organic reactions and synthesis.

Technology Process of 10H-chromeno[3,2-b]pyridin-10-one

There total 7 articles about 10H-chromeno[3,2-b]pyridin-10-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: 99.0%

1,2-dimethoxy-4-(2-propenyl)benzene (93-15-2) + C24H16N2O4 → 4-propyl-1,2-dimethoxybenzene (5888-52-8) + 5H-benzopyrano[2,3-b]pyridin-5-one (6537-46-8)

Guidance literature:

With Pd/C; In ethanol; at 50 ℃; for 18h; Glovebox;

DOI:10.1021/jacs.0c13332

Reference yield: 14.0%

2-chlorophenyl 2-methoxy-3-pyridyl ketone (1438251-51-4) → (2-methoxypyridin-3-yl)(phenyl)methanone (1246461-87-9) + 5H-benzopyrano[2,3-b]pyridin-5-one (6537-46-8)

Guidance literature:

With palladium diacetate; potassium carbonate; tri tert-butylphosphoniumtetrafluoroborate; In N,N-dimethyl-formamide; at 130 ℃; for 24h;

DOI:10.1016/j.tetlet.2013.04.020

Reference yield:

o-xylene (95-47-6) + 1-azaxanthone excited triplet state → o-xylyl radical (2348-48-3) + 1-azaxanthone ketyl radical + 5H-benzopyrano[2,3-b]pyridin-5-one (6537-46-8)

Guidance literature:

In acetonitrile; Further Variations:; Reaction partners; Kinetics; Product distribution;

DOI:10.1021/ja993846f

upstream raw materials:

o-xylene

para-xylene

1,2,4,5-tetramethylbenzene

3, 5-di-tert-butyltoluene

Downstream raw materials:

5H-<1>benzopyrano<2,3-b>pyridin-5-ol

5-(4-benzyl-piperidin-4-yl)-5H-chromeno[2,3-b]pyridin-5-ol

4-benzyl-1,4-dihydro-chromeno[2,3-b]pyridin-5-one

5-(4-bromo-phenyl)-5H-chromeno[2,3-b]pyridin-5-ol