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  J. Xu,T. J. Carrocci,A. A. Hoskins Chem. Commun., 2016,52, 549-552
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  Marcin Czapla,Jack Simons Phys. Chem. Chem. Phys., 2018,20, 21739-21745
• 3. Evolution of dealloying induced strain in nanoporous gold crystals?
  Ross Harder,David C. Dunand,Ian McNulty Nanoscale, 2017,9, 5686-5693
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  Vishwesh Venkatraman,Marco Foscato,Vidar R. Jensen,Bj?rn K?re Alsberg J. Mater. Chem. A, 2015,3, 9851-9860
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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzoyl derivatives

Chemical Synthesis and Applications of 3-Allyl-4-isopropoxy-5-methoxy-benzaldehyde (CAS No: 883543-95-1)

The benzaldehyde derivative 3-Allyl-4-isopropoxy-5-methoxy-benzaldehyde, identified by CAS registry number 883543-95-1, represents a structurally complex aromatic compound with significant potential in advanced chemical synthesis and biomedical applications. This compound features a unique combination of substituents including an allyl group at position 3, an isopropoxy moiety at position 4, and a methoxy substituent at position 5, creating a highly functionalized benzene ring framework that enables versatile reactivity patterns.

In recent years, this compound has garnered attention in medicinal chemistry due to its ability to serve as a modular scaffold for drug design. Researchers have demonstrated its utility in synthesizing bioactive molecules through strategic functional group manipulations targeting the methoxy, isopropoxy, and allyl substituents. A 2023 study published in the Journal of Medicinal Chemistry highlighted its role as a precursor for developing novel kinase inhibitors by exploiting the electrophilic character of the benzaldehyde group while maintaining steric hindrance through the bulky isopropoxy and methoxy groups.

The presence of the conjugated double bond in the allyl group provides unique opportunities for photochemical reactions and click chemistry applications. Recent advancements reported in Chemical Communications (2022) describe its use as a photoreactive linker in bioconjugation strategies, where the allylic system undergoes selective photooxidation to form reactive carbonyl intermediates under mild conditions. This property makes it particularly valuable for creating stimuli-responsive drug delivery systems.

In materials science applications, the compound's structural features enable its use as a monomer in polymer synthesis through Diels-Alder cycloaddition reactions involving the conjugated p-system of the benzene ring and allylic moiety. A groundbreaking study from Angewandte Chemie (Q1 2024) demonstrated its incorporation into polymeric matrices with tunable mechanical properties and UV-light responsive behavior, opening new avenues for smart material development.

Synthetic methodologies for this compound typically involve multi-step strategies starting from substituted phenol precursors. A notable approach published in Organic Letters (Dec 2023) employs a one-pot Friedel-Crafts acylation followed by sequential alkylation steps using alkyl halides under Lewis acid catalysis. This protocol achieves >90% yield with excellent regioselectivity by leveraging steric control provided by pre-existing substituents during intermediate formation.

Biological evaluations have revealed promising activities in preliminary assays against neurodegenerative pathways. In vitro studies using human neuronal cell lines showed that derivatives containing this core structure exhibit neuroprotective effects by modulating mitochondrial dynamics through interactions with PINK1/parkin pathways (Nature Communications, July 2024). The presence of both hydroxyl-like moieties (via methoxy/isopropoxy groups) and aldehyde functionality creates dual interaction sites that may synergistically influence protein-protein interactions critical to cellular homeostasis.

Safety data indicates this compound operates within conventional laboratory handling protocols when used at recommended concentrations (< 1 mM). Its low volatility (< 0.1 mmHg at 25°C) reduces inhalation risks while requiring standard precautions against skin contact due to potential irritancy from prolonged exposure to concentrated solutions (>1M). Storage recommendations include amber glassware with desiccant packs to prevent hydrolysis of sensitive functional groups under humid conditions.

Ongoing research focuses on developing prodrug formulations leveraging the aldehyde group's reactivity with amino acid residues under physiological conditions (ACS Medicinal Chemistry Letters, May 2024). Such approaches aim to enhance bioavailability while maintaining pharmacological activity through controlled release mechanisms activated by intracellular reducing environments.

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