CAS:20769-85-1 | 2-Bromoisobutyryl Bromide

Name:2-Bromoisobutyryl Bromide

Synonyms:2-Bromo-2-methylpropionyl Bromide

CAS:20769-85-1

Purity:98%

Molecular Formula:C₄H₆Br₂O

Molecular Weight:229.90  

Melting Point:164 °C

Boiling Point:N/A

Flash Point:>110°

Density:1.860g/ml

Appearance:Colorless to Light yellow clear liquid

Stability:Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases

Solubility:Miscible with acetone and carbon disulfide

refractive index:1.51

Storage condition:Store below +30°C

Application:2-Bromoisobutyryl bromide（CAS:20769-85-1） is used to prepare N-protected halodienamide, which provides four- and five-membered lactams in the presence of copper(I) and a tertiary amine. Further, it is used as atom transfer radical polymerization(ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide. It is also used in preparation of polycaprolactone macroinitiators through reaction with oligomeric caprolactone diol and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface.

Reference: 

Wang, K.; Zhang, X.; Zhang, X.; Fan, X.; Huang, Z.; Chen, Y.; Wei, Y. Preparation of biocompatible and photostable PEGylated red fluorescent nanoparticles for cellular imaging. Polym. Chem. 2015, 6 (32), 5891-5898.

Sun, N.; Meng, X.; Xiao, Z. Functionalized Si3N4 nanoparticles modified with hydrophobic polymer chains by surface-initiated atom transfer radical polymerization (ATRP). Ceram. Int. 2015, 41 (10), 13830-13835.

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