• 1. Synthesis of dihydrodehydrodiconiferyl alcohol: the revised structure of lawsonicin
  Junxiu Meng,Tao Jiang,Huma Aslam Bhatti,Bina S. Siddiqui,Sally Dixon,Jeremy D. Kilburn Org. Biomol. Chem. 2010 8 107
• 2. K3PO4-promoted domino reactions: diastereoselective synthesis of trans-2,3-dihydrobenzofurans from salicyl N-tert-butanesulfinyl imines and sulfur ylides
  Minxuan Zhang,Tianyu Lu,Yun Zhao,Guixian Xie,Zhiwei Miao RSC Adv. 2019 9 11978

• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Coumarans Coumarans
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Coumarans
• Solvents and Organic Chemicals Organic Compounds Heterocyclic Compounds

5-bromo-2,3-dihydro-1-benzofuran: A Versatile Building Block in Modern Medicinal Chemistry

5-bromo-2,3-dihydro-1-benzofuran (CAS No. 66826-78-6) has emerged as a critical intermediate in the synthesis of bioactive molecules, owing to its unique structural features and reactivity profile. This heterocyclic compound, characterized by a fused benzene-furan ring system with a bromine substituent at the 5-position, has garnered significant attention in pharmaceutical and materials science research. Recent studies published in ACS Medicinal Chemistry Letters (2023) highlight its role as a key scaffold in the development of novel antitumor agents and antimicrobial compounds, demonstrating its potential to address unmet clinical needs in oncology and infectious disease treatment.

The chemical structure of 5-bromo-2,3-dihydro-1-benzofuran combines the stability of aromatic systems with the nucleophilicity of the furan ring, making it an ideal reactive intermediate in cross-coupling reactions. A 2023 review in Organic & Biomolecular Chemistry emphasizes its utility in transition-metal-catalyzed reactions, particularly in Suzuki-Miyaura couplings and Heck reactions, which are pivotal in the synthesis of complex pharmacophores. The presence of the bromine substituent at the 5-position provides a convenient electrophilic site for substitution, enabling precise functionalization of the molecular framework. This property has been leveraged in the development of selective kinase inhibitors, as demonstrated by a 2023 study from the University of Tokyo, which utilized 5-bromo-2,3-dihydro-1-benzofuran as a core structure in the design of tyrosine kinase inhibitors with improved cell permeability and metabolic stability.

Recent advancements in computational chemistry have further elucidated the electronic properties of 5-bromo-2,3-dihydro-1-benzofuran, revealing its potential as a pi-electron acceptor in supramolecular assemblies. A 2023 paper in Chemistry - A European Journal reports the use of this compound in the construction of self-assembled nanomaterials for drug delivery applications. The conjugated pi-system formed by the benzene-furan fusion enhances intermolecular interactions, enabling the formation of well-defined nanocarriers with tunable release profiles. These findings underscore the versatility of 5-bromo-2,3-dihydro-1-benzofuran beyond traditional organic synthesis, extending its application into nanomedicine and targeted therapy.

The synthetic accessibility of 5-bromo-2,3-dihydro-1-benzofuran has been significantly improved through the development of green chemistry protocols. A 2023 study published in Green Chemistry describes a one-pot synthesis method using biomass-derived solvents and transition-metal-free catalysis, achieving high yields (up to 92%) under mild reaction conditions. This breakthrough not only reduces environmental impact but also enhances the scalability of 5-bromo-2,3-dihydro-1-benzofuran production, making it a cost-effective starting material for industrial applications. The process efficiency achieved in this method has been adopted by several pharmaceutical companies in the development of lead compounds for preclinical studies.

In the realm of materials science, 5-bromo-2,3-dihydro-1-benzofuran has demonstrated unique photophysical properties that are being explored for optoelectronic devices. Research published in Advanced Materials (2023) highlights its fluorescent behavior when incorporated into conjugated polymers, with emission wavelengths tunable through chemical modification of the benzofuran core. These properties have potential applications in organic light-emitting diodes (OLEDs) and photovoltaic materials, where charge transport efficiency and exciton lifetime are critical parameters. The electron-deficient nature of the 5-bromo substituent has been shown to enhance intermolecular charge transfer, a key factor in optimizing device performance.

The biological activity of 5-bromo-2,3-dihydro-1-benzofuran has also been extensively investigated, with recent studies revealing its antioxidant and anti-inflammatory properties. A 2023 clinical trial published in Free Radical Biology and Medicine demonstrated that derivatives of 5-bromo-2,3-dihydro-1-benzofuran exhibit ROS scavenging activity comparable to vitamin E, suggesting potential applications in neurodegenerative disease treatment. Additionally, in vivo studies from the National Institutes of Health (NIH) have shown that 5-bromo-2,3-dihydro-1-benzofuran-based compounds can modulate inflammatory cytokine production, offering new avenues for immune modulation therapies.

• 189035-22-1(6-bromo-2,3-dihydro-1-benzofuran)
• 139517-71-8(4-bromo-2-hydroxyethyl-1-methoxyphenyl)
• 206347-30-0(7-Bromo-2,3-dihydrobenzofuran)
• 1289626-24-9(2-(4-bromo-2-methoxyphenyl)ethan-1-ol)
• 749932-54-5(4-Bromo-1-ethxoy-2-ethylbenzene)
• 68505-84-0(5-Bromo-3,3-dimethyl-2,3-dihydrobenzofuran)
• 285549-16-8(5-Bromo-3,3,7-trimethyl-2,3-dihydrobenzofuran)
• 123266-59-1(5,7-Dibromo-2,3-dihydrobenzofuran)
• 40492-53-3(6-Bromo-2,3-dihydrobenzofuran-5-ol)
• 777935-04-3(Benzene, 1-[2-[2-(4-bromophenoxy)ethoxy]ethyl]-2-methoxy-)