4-Chlorophenylacetylene (CAS 873-73-4) is an important aromatic alkyne widely used as a building block in organic synthesis, pharmaceutical research, and materials science. Featuring both a terminal alkyne group and a chloro-substituted phenyl ring, this compound offers high reactivity and versatility for constructing complex molecular structures.
Chemical Characteristics
4-Chlorophenylacetylene is usually a white powder.It is soluble in common organic solvents such as dichloromethane, ether, and toluene. The terminal alkyne group (–C≡CH) enables participation in a wide range of coupling and addition reactions, while the chloro substituent provides an additional functional handle for further modification via substitution or cross-coupling.
Applications
Organic Synthesis
This compound is widely used in Sonogashira coupling reactions to form carbon–carbon bonds, allowing the synthesis of substituted alkynes, conjugated systems, and heterocycles. It is a valuable intermediate for constructing complex aromatic compounds.
Pharmaceutical Research
4-Chlorophenylacetylene serves as a key intermediate in the development of pharmaceutical compounds. The alkyne functionality is frequently incorporated into drug molecules to enhance biological activity and molecular diversity.
Materials Science
The compound is used in the preparation of conjugated materials, organic semiconductors, and advanced polymers. Its structure supports the development of electronic and optoelectronic materials.
Fine Chemicals
It is also applied in the synthesis of specialty chemicals, functional intermediates, and research reagents.
Supply Information
4-Chlorophenylacetylene (CAS 873-73-4) is available with high purity and consistent quality, suitable for laboratory research and industrial applications. Reliable supply and flexible packaging options support both small-scale and bulk requirements.
