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Specifications
| Appearance: | Slightly yellow to colorless clear liquid |
| Purity (HPLC): | 98% min |
| Water Content: | 0.5% max |
Applications
1. Intermediate in Organic Synthesis
4-Bromo-1,2-(methylenedioxy)benzene is widely used as an intermediate in the synthesis of more complex organic molecules. Its aromatic ring with reactive substituents (Br and methylenedioxy) makes it highly valuable in multi-step chemical synthesis.
Substitution Reactions: The bromine atom serves as a leaving group in cross-coupling reactions (e.g., Suzuki, Heck, or Stille), enabling the formation of new carbon-carbon bonds.
Functional Group Transformations: The methylenedioxy group provides structural rigidity and electron-donating properties that are useful in synthesizing phenylpropanoids, heterocycles, and bioactive compounds.
2. Pharmaceutical Intermediate
It is an important building block in the pharmaceutical industry for the synthesis of various bioactive molecules.
Synthesis of Active Pharmaceutical Ingredients (APIs): It is used in the construction of pharmacophores that exhibit CNS activity, anti-inflammatory properties, or antimicrobial effects.
Precursor to Benzodioxole-Based Drugs: The methylenedioxybenzene scaffold is found in many pharmaceutical molecules, such as those related to psychoactive or antitumor compounds.
3. Agrochemical Synthesis
4-Bromo-1,2-(methylenedioxy)benzene is also a valuable intermediate in the agrochemical industry.
Precursor to Pesticides or Herbicides: It contributes to the synthesis of biologically active agents with insecticidal or herbicidal properties.
Fine Chemicals for Crop Protection: Used in developing aromatic agrochemicals that are effective and environmentally stable.
4. Research and Development
It is commonly used in academic and industrial research for developing new reactions and synthetic pathways.
Model Compound: Useful in testing and optimizing reaction conditions for aryl halide transformations.
Structure-Activity Relationship (SAR) Studies: As part of larger synthetic libraries, it is used to evaluate the biological activity of methylenedioxy-substituted arenes.
Benefits
1. Versatile Functional Groups
The bromine atom is highly reactive in palladium-catalyzed coupling reactions.
The methylenedioxy group stabilizes the aromatic ring and can enhance bioactivity in the final compound.
The dual presence of electrophilic (Br) and electron-donating (OCH2O) groups enables wide synthetic flexibility.
2. Key Intermediate for High-Value Compounds
Provides a useful route to valuable heterocycles, pharmaceuticals, and aromatic derivatives with biological properties.
3. Stable and Easy to Handle
Solid at room temperature, allowing for easy storage, weighing, and transport.
Chemically stable under normal laboratory conditions.
4. Widely Used in Modern Synthesis
Supports efficient C–C bond formation, a cornerstone of modern organic chemistry.
Frequently included in synthetic schemes for creating diverse aromatic compounds.
Conclusion
4-Bromo-1,2-(methylenedioxy)benzene (CAS 2635-13-4) is a highly valuable synthetic intermediate with broad applications across the pharmaceutical, agrochemical, and fine chemical industries. Its functional groups provide versatility for a range of chemical transformations, especially in palladium-catalyzed coupling and aromatic substitution reactions. With its stability, reactivity, and established utility in synthesizing biologically active compounds, this compound continues to play a vital role in modern chemical synthesis and research.
