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26939-18-4

26939-18-4 Structure

26939-18-4 Structure
IdentificationBack Directory
[Name]

2,4,4,6-TETRAMETHYL-1-OXA-3-AZA-2-CYCLOHEXENE
[CAS]

26939-18-4
[Synonyms]

2,4,4,6-Tetramethyl-4,5-dihydro-1,3-oxazine
5,6-dihydro-2,4,4,6-tetramethyl-4h-3-oxazine
2,4,4,6-TETRAMETHYL-1-OXA-3-AZA-2-CYCLOHEXENE
5,6-DIHYDRO-2,4,4,6-TETRAMETHYL-4H-1,3-OXAZINE
2,4,4,6-Tetramethyl-5,6-dihydro-1,3(4H)-oxazine
5,6-DIHYDRO-2,4,4,6-TETRAMETHYL-1,3(4H)-OXAZINE
2,4,4,6-Tetramethyl-5,6-dihydro-4H-[1,3]oxazine
4H-1,3-Oxazine, 5,6-dihydro-2,4,4,6-tetramethyl-
5,6-DIHYDRO-2,4,4,6-TETRAMETHYL-4H-1,3-OXAZINE 97+%
5,6-Dihydro-2,4,4,6-tetramethyl-4H-1,3-oxazine,85%,tech.
5,6-Dihydro-2,4,4,6-tetramethyl-4H-1,3-oxazine, tech., 85%
[EINECS(EC#)]

248-117-8
[Molecular Formula]

C8H15NO
[MDL Number]

MFCD00014605
[MOL File]

26939-18-4.mol
[Molecular Weight]

141.21
Chemical PropertiesBack Directory
[Appearance]

CLEAR LIGHT YELLOW TO ORANGE-RED LIQUID
[Boiling point ]

47-49°C 17mm
[density ]

0.88
[refractive index ]

1.44-1.444
[Fp ]

147-149°C
[Sensitive ]

Hygroscopic
[BRN ]

111529
[EPA Substance Registry System]

4H-1,3-Oxazine, 5,6-dihydro-2,4,4,6-tetramethyl- (26939-18-4)
Hazard InformationBack Directory
[Chemical Properties]

CLEAR LIGHT YELLOW TO ORANGE-RED LIQUID
[Uses]

2,4,4,6-TetraMethyl-1-oxa-3-aza-2-cyclohexene is used for α-carbanion serves as acetate or acetaldehyde enolate equivalent for synthesis of α,β-unsaturated aldehydes, aliphatic aldehydes, α-amino ketones, unsymmetrical ketones, and substituted carboxylic acids.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 22, p. 839, 1957 DOI: 10.1021/jo01358a612
[Synthesis]

2,4,4,6-TetraMethyl-1-oxa-3-aza-2-cyclohexene is synthesized by the acid-catalyzed condensation of Acetonitrile and 2-methyl-2,4-pentanediol in 65% yield (eq 1).
2,4,4,6-TETRAMETHYL-1-OXA-3-AZA-2-CYCLOHEXENE synthesis route
[storage]

2,4,4,6-TetraMethyl-1-oxa-3-aza-2-cyclohexene can be stored for months at rt under an inert atmosphere.
Safety DataBack Directory
[Risk Statements ]

10
[Safety Statements ]

24/25
[RIDADR ]

1993
[TSCA ]

Yes
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

29349990
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