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1-bromo-2-phenylethylene

CAS No. 103-64-0 | Catalog No. 655276


Synonyms
(2-bromoethenyl)-benzen ;[(E)-2-Bromoethenyl]benzene;1-Bromo-2-phenylethene;2-Bromostyrol ;alpha-Bromo-beta-phenylethylene;Benzene;(2-bromoethenyl)- ;beta-bromo-styren ;beta-bromostyrene;mixtureofcis/transisomers


Properties

Boiling Point 219-221 °C(lit.)
Form Liquid
Melting Point 7 °C(lit.)
Solubility Soluble in alcohol.

Application
Beta-Bromostyrene; cis + trans is an important raw material and intermediate used in organic Synthesis; pharmaceuticals; agrochemicals and dyestuff. β-Bromostyrene was used in the one-pot method for the preparation of cinnamonitriles. It was also used in the preparation of pure ethyl Z- and E-α;α-difluoro-4-phenyl-3-butenoate and 1;3-diphenyl-1-butene. It may be used in the synthesis of β-tert-butylstyrene via cross coupling reaction with tert-butylmagnesium chloride in the presence of dichloro[1;1′-bis(diphenylphosphino)ferrocene]nickel(II) catalyst. It may also be used to prepare γ-but-2-enolactone by reacting with nickel carbonyl in the presence of alkynes.


General Description
β-Bromostyrene is an α;β-unsaturated aromatic halide. It can be synthesized by catalytic Hunsdiecker reaction (CHR) of cinnamic acid. It is commonly utilized as a precursor for preparing substituted alkenes; corresponding acetylenes and also in the total synthesis of natural compounds and antibiotics.

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