4-Vinyl-2,3-dihydro-1-benzofuran(CAS: 230642-84-9)

4-Vinyl-2,3-dihydro-1-benzofuran (CAS: 230642-84-9) is a crystalline solid with a molecular weight of approximately 139.17 g/mol. It is sparingly soluble in water but soluble in organic solvents like ethanol and acetone. The compound is chemically stable but can react with strong acids and bases. It exhibits low reactivity under normal conditions but can undergo electrophilic aromatic substitution reactions.

4-Vinyl-2,3-dihydro-1-benzofuran can be synthesized via the Wittig reaction using phenyl vinyl phosphate and benzaldehyde. The reaction is catalyzed by a strong base like sodium hydride, and the product has good yield with high regioselectivity. Other methods include the reaction of vinyl bromide with 2-hydroxy-1-benzofuran under mild conditions.

4-Vinyl-2,3-dihydro-1-benzofuran (CAS: 230642-84-9) finds applications in the pharmaceutical industry as an intermediate for drug synthesis. It is also used in the polymer industry for the development of functional polymers. Additionally, it plays a role in the production of sensors and as a building block in semiconductor materials due to its unique electronic properties.

When handling 4-Vinyl-2,3-dihydro-1-benzofuran (CAS: 230642-84-9), it is important to wear appropriate personal protective equipment (PPE) such as gloves, safety goggles, and a lab coat. Work should be conducted in a well-ventilated fume hood to minimize inhalation risks. Spills should be cleaned up using appropriate absorbent materials, and the area should be flushed with water. Always refer to the safety data sheet (SDS) for specific handling and disposal instructions.