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1772-43-6 - 2,4,4-Trimethyl-2-oxazoline, 99% - 4,5-Dihydro-2,4,4-trimethyloxazole - L00181 - Alfa Aesar

L00181 2,4,4-Trimethyl-2-oxazoline, 99%

Codice CAS
1772-43-6
Sinonimi
4,5-Dihydro-2,4,4-trimethyloxazole

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2,4,4-Trimethyl-2-oxazoline, 99%

MDL
MFCD00005301
EINECS
217-201-6

Proprietà chimiche

Formula
C6H11NO
Peso formula
113.16
Punto di ebollizione
112-113°
Punto di infiammabilità
12°(53°F)
Densità
0.91
Indice di rifrazione
1.4220

Letteratura

Oxazolines were introduced by Meyers as intermediates for synthesis of ß-hydroxy acids or esters, by alkylation of the lithio-derivative and cleavage of the ring. Similarly, addition to carbonyl compounds leads, under dehydrating conditions (strong acid) to the corresponding acrylic acids: J. Org. Chem., 39, 2778 (1974):

/n

Reaction with epoxides leads to -butyrolactones: J. Org. Chem., 39, 2783 (1974).

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Substituted ß-keto esters can be prepared by reaction with an acid chloride followed by the introduction of further substituents by alkylation of the acylated oxazoline in DMF: Bull. Chem. Soc. Jpn., 57, 2329 (1984):

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For reviews of the chemistry of oxazolines, see: Chem. Rev., 71, 483 (1971); Angew. Chem. Int. Ed., 15, 270 (1976), Tetrahedron, 41, 837 (1985); 50, 2297 (1994).

/n

Compare 2,4,4,6-Tetramethyl-1-oxa-3-aza-2-cyclohexene, B20438, 2-Amino-2-methyl-1-propanol, A17814, etc.

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Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H225

Highly flammable liquid and vapour.

Dichiarazioni precauzionali: P210-P280-P240-P241-P233-P242-P243-P303+P361+P353-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Keep container tightly closed. Use only non-sparking tools. Take precautionary measures against static discharge. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
107665
Classe di rischio
3
Gruppo di imballaggio
II
Codice tariffe armonizzato
2934.99
TSCA
No

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