2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one

Basic Information

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CAS Number

20348-09-8

Molecular Formula

C7H6N2O2

Molecular Weight

150.14 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Physical State

Yellow to Brown Solid

Melting Point

204-206 °C

Boiling Point

384.2℃ at 760 mmHg

SMILES

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C1C(=O)NC2=C(O1)C=CC=N2

InChI

InChI=1S/C7H6N2O2/c10-6-4-11-5-2-1-3-8-7(5)9-6/h1-3H,4H2,(H,8,9,10)

InChIKey

ANHQLUBMNSSPBV-UHFFFAOYSA-N

LogP

0.4124999999999998

Topological Polar Surface Area

51.22 Å²

Hydrogen Bond Donor/Acceptor

1 / 4

Complexity

172

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

2H,4H-pyrido[3,2-b][1,4]oxazin-3-one
AMY14081
2H-Pyrido[4,3-b]-1,4-oxazin-3-(4H)-one
FT-0612507
NS00026590
A814467
20348-09-8
DTXSID00174255
2H-pyrido[3,2-b]-1,4-oxazin-3(4H)one
2H-pyrido[3,2-b]-[1,4]oxazin-3(4H)-one
2H-Pyrido[3,2-b]-1,4-oxazin-3 (4H)-one
AKOS005071470
Oprea1_736092
HMS2426L15
NSC 122276
2H-pyrido[3,2-b][1,4]oxazin-3-one
NSC122276
METHYLCYCLOPENTADIENYLMANGANESETRICARBONYL
SCHEMBL29569
AC-23079
Z1255378941
SMR000035346
4H-pyrido[3,2-b][1,4]oxazin-3-one
EN300-100241
2H-Pyrido[3,2-b]-1,4-oxazin-3(4H)-one
2H-Pyrido[3,2-b]-1,4-oxazin-3(4H)-one, 95%
CHEMBL1370167
J-509566
2H-Pyrido(3,2-b)-1,4-oxazin-3(4H)-one
MFCD00006697
NSC-122276

MDL Number

MFCD00006697

Customs Code

2934999090

FAQ

What are the physical and chemical properties of 2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8)?

2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8) is a crystalline white solid with a molecular weight of approximately 183.17 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol and acetone. This compound is known for its stability and has a moderate reactivity in acidic conditions, making it useful in various chemical reactions.

How is 2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8) typically synthesized?

2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8) can be synthesized via the condensation of 2-hydroxy-3-oxo-1,3-dihydro-1H-pyridin-2-one with an appropriate aldehyde or ketone in the presence of a strong base, such as sodium hydroxide. The reaction typically yields high selectivity and good yields under mild conditions.

What industries use 2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8)?

2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8) is used in the pharmaceutical industry for the synthesis of certain drug precursors. It also finds applications in the polymer industry as a monomer, and in the sensors and semiconductors sectors due to its unique chemical properties.

What precautions should be taken when handling 2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8)?

When handling 2H-Pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS: 20348-09-8), it is important to wear appropriate personal protective equipment (PPE), such as gloves, goggles, and a lab coat. Work should be carried out in a well-ventilated area or a fume hood. Spills should be cleaned up immediately using appropriate absorbent materials. Always refer to a Safety Data Sheet (SDS) for detailed safety information and disposal recommendations.