1-Bromo-3-ethynylbenzene, with the CAS number 766-81-4, is an organic compound characterized by the presence of a bromine atom and an ethynyl group attached to a benzene ring. This compound features a triple bond between the carbon atoms of the ethynyl group, which contributes to its reactivity and potential applications in organic synthesis. It is typically a colorless to pale yellow liquid or solid, depending on its purity and form. The presence of the bromine atom makes it a useful intermediate in various chemical reactions, including nucleophilic substitutions and coupling reactions. Additionally, the ethynyl group enhances its utility in the synthesis of more complex organic molecules, particularly in the field of materials science and pharmaceuticals. 1-Bromo-3-ethynylbenzene is generally handled with care due to its potential toxicity and reactivity, and it should be stored in a cool, dry place away from incompatible substances.

1-Bromo-3-ethynylbenzene

766-81-4: 1-Bromo-3-ethynylbenzene, 3-Bromophenylacetylene, Benzene, 1-bromo-3-ethynyl-, m-Bromophenylacetylene, (3-Bromophenyl)acetylene

3-Bromophenylacetylene

3'-Bromophenyl acetylene

3-Bromophenylacetylene is a metastable compound that is used in the synthesis of alpha-synuclein. This compound can be synthesized by the hydroboration of phenylacetic acid followed by the oxidation of the boronic ester with sodium hypochlorite. 3-Bromophenylacetylene has been shown to act as a ligand for copper and palladium, which enables it to be used in cross-coupling reactions. In addition, this compound can be used for light emission, due to its ability to undergo hydrosilylation.

CAS 766-81-4: 1-Bromo-3-ethynylbenzene

3-Bromophenylacetylene

Ref: 54-OR42232

3'-Bromophenyl acetylene

Ref: 10-F040351

3-Bromophenylacetylene

Ref: IN-DA003J4W

1-Bromo-3-ethynylbenzene

Ref: 3B-B5198

3-Bromophenylacetylene

Ref: 3D-FB74953