4-Bromo-1,2-(methylenedioxy)benzene (CAS No. 2635-13-4), also known as 5-Bromo-1,3-benzodioxole, is an important aryl bromide intermediate widely used in organic synthesis, medicinal chemistry, agrochemical research, and functional materials development. The molecule combines a reactive bromine substituent with a benzodioxole scaffold, making it an excellent substrate for palladium-catalyzed cross-coupling reactions and other aromatic functionalization strategies.
As a versatile synthetic building block, this compound is frequently employed in the preparation of pharmaceutical intermediates, natural product analogs, heterocyclic compounds, and advanced functional organic materials.
The bromine substituent readily participates in numerous carbon–carbon and carbon–heteroatom bond-forming reactions, including:
The benzodioxole ring also serves as a valuable pharmacophore and structural motif in medicinal chemistry and natural product synthesis.
Used in the synthesis of:
Suitable for:
Applied in the preparation of:
Used in research involving:
| Parameter | Recommended Conditions |
|---|---|
| Coupling Reactions | Suzuki, Stille, Negishi, Kumada |
| Catalyst | Palladium catalysts |
| Atmosphere | Nitrogen or Argon |
| Solvent | THF, Toluene, Dioxane, DMF |
| Storage | Dry, tightly sealed container |
Reaction conditions should be optimized according to the substrate and catalyst system.
What is 4-Bromo-1,2-(methylenedioxy)benzene used for?
It is widely used as a synthetic intermediate in pharmaceutical research, organic synthesis, agrochemical development, and functional materials chemistry.
Is this compound suitable for Suzuki coupling reactions?
Yes. The bromine substituent makes it an excellent substrate for Suzuki–Miyaura cross-coupling as well as other palladium-catalyzed reactions.
What types of compounds can be synthesized from this intermediate?
It is commonly used to prepare benzodioxole derivatives, heterocyclic compounds, pharmaceutical intermediates, and functional aromatic molecules.
Why is the benzodioxole ring important?
The benzodioxole framework is frequently found in natural products, pharmaceutical candidates, agrochemicals, and functional organic molecules, making it a valuable structural motif.
Which cross-coupling reactions are compatible with this compound?
It is compatible with Suzuki, Stille, Negishi, Kumada, and Buchwald–Hartwig coupling reactions.
Can this product be used in medicinal chemistry research?
Yes. It is widely employed as a building block for lead discovery, analogue synthesis, and medicinal chemistry optimization.
How should this compound be stored?
Store it in a cool, dry, light-protected environment in a tightly sealed container. An inert atmosphere is recommended for extended storage.
Is this product intended for research use only?
Yes. This product is intended for laboratory research and development only.
