252271
α-Bromoisobutyryl bromide
98%
Sinónimos:
2-Bromo-2-methylpropionyl bromide, BIBB
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Acerca de este artículo
Fórmula lineal:
(CH3)2CBrCOBr
Número CAS:
Peso molecular:
229.90
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
244-017-3
Beilstein/REAXYS Number:
1746128
MDL number:
Assay:
98%
Form:
liquid
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Permítanos ayudarleInChI key
YOCIJWAHRAJQFT-UHFFFAOYSA-N
InChI
1S/C4H6Br2O/c1-4(2,6)3(5)7/h1-2H3
SMILES string
CC(C)(Br)C(Br)=O
assay
98%
form
liquid
refractive index
n20/D 1.507 (lit.)
bp
162-164 °C (lit.)
density
1.86 g/mL at 25 °C (lit.)
functional group
acyl bromide, bromo
Quality Level
Categorías relacionadas
General description
BIBB is an important reagent in the synthesis of amides, macrocyclic amides, ketenes, and alkynic ketones.
Application
α-Bromoisobutyryl bromide has been used:
- as atom transfer radical polymerization (ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide
- to form an N-protected halodienamide which provided four- and five-membered lactams in the presence of copper (I) and a tertiary amine
- in preparation of polycaprolactone macroinitiator via reaction with oligomeric caprolactone diol and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Clase de almacenamiento
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
>230.0 °F
flash_point_c
> 110 °C
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Poly(2-naphthyl acrylate) was first grafted onto silica-coated magnetic nanoparticles by surface-initiated atom transfer radical polymerization to prepare a reversed-phase magnetic adsorbent. The resulting polymer brush displays enhanced extraction efficiency by offering active sites on the surfaces of adsorbent. It was
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Journal of separation science, 40(3), 779-788 (2016-11-22)
Many bioanalytical methods rely on electrophoretic separation of structurally labile and surface active biomolecules such as proteins and peptides. Often poor separation efficiency is due to surface adsorption processes leading to protein denaturation and surface fouling in the separation channel.
Sun Hwa Lee et al.
Macromolecular rapid communications, 31(3), 281-288 (2010-02-02)
A method for growing polymers directly from the surface of graphene oxide is demonstrated. The technique involves the covalent attachment of an initiator followed by the polymerization of styrene, methyl methacrylate, or butyl acrylate using atom transfer radical polymerization (ATRP).
Andrew J Clark et al.
The Journal of organic chemistry, 72(15), 5923-5926 (2007-07-03)
Reaction of 2-substituted dienamides with catalytic amounts of copper halide/tripyridylamine (TPA) furnishes either 5-exo or 6-endo products with the outcome dependent upon the radical initiating unit. Reaction of 3-substituted dienamides produces beta-lactams via a 4-exo cyclization with termination of the
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