662747
3-Bromo-2-butanone
97%
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About This Item
Fórmula empírica (notación de Hill):
C4H7BrO
Número de CAS:
Peso molecular:
151.00
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
assay
97%
refractive index
n20/D 1.460
density
1.416 g/mL at 25 °C
SMILES string
CC(Br)C(C)=O
InChI
1S/C4H7BrO/c1-3(5)4(2)6/h3H,1-2H3
InChI key
BNBOUFHCTIFWHN-UHFFFAOYSA-N
Application
3-Bromo-2-butanone can be used as a reactant to synthesize:
- N
- -(4,5-Dimethyl-1H-imidazol-2-yl)acetamide by reacting with N-acetylguanidine under acidic conditions.
- Oxazole derivatives by silver triflate catalyzed cyclization reaction with various amides.
- 2-bromo-5,6-dimethyl[1,3]oxazolo[3,2-b][1,2,4]triazole by treating with 3,5-dibromo-1,2,4-triazole in the presence DBU.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
wgk_germany
WGK 2
flash_point_f
123.8 °F
flash_point_c
51 °C
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Synthesis of 2, 4-and 2, 4, 5-substituted oxazoles via a silver triflate mediated cyclization
Bailey JL and Sudini RR
Tetrahedron Letters, 55(27) (2014)
[1, 3] Oxazolo [3, 2-b][1, 2, 4] triazoles: a versatile synthesis of a novel heterocycle
Ball Catherine, et al.
Tetrahedron Letters, 51(30), 3907-3909 (2010)
Chai Hoon Soh et al.
Journal of combinatorial chemistry, 10(1), 118-122 (2007-12-28)
A microwave-assisted protocol was developed for the construction of di- and monosubstituted 2-aminoimidazoles. The two-step reaction involves the synthesis of N-(1H-imidazol-2-yl)acetamides from readily available alpha-haloketones and N-acetylguanidine, followed by deacetylation. Significant rate enhancement was observed for both steps of the
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