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Comprehensive Analysis of Benzonitrile, 2-iodo-5-nitro- (CAS No. 101421-15-2): Properties, Applications, and Industry Trends

Benzonitrile, 2-iodo-5-nitro- (CAS 101421-15-2) is a halogenated aromatic compound with significant relevance in organic synthesis and pharmaceutical intermediates. Characterized by its nitro and iodo functional groups, this compound exhibits unique electronic properties, making it valuable for cross-coupling reactions like Suzuki-Miyaura or Ullmann-type couplings. Its molecular formula C7H3IN2O2 and precise structural features have garnered attention in drug discovery and material science research.

Recent advancements in heterocyclic chemistry highlight the role of 2-iodo-5-nitrobenzonitrile as a versatile building block. Researchers increasingly focus on its regioselective reactivity, particularly in constructing nitrogen-containing scaffolds for agrochemicals or OLED materials. The compound's electron-withdrawing nitro group enhances its applicability in nucleophilic aromatic substitution (SNAr) reactions, a topic frequently searched in academic databases.

From an industrial perspective, CAS 101421-15-2 aligns with the growing demand for halogenated intermediates in API manufacturing. Analytical techniques like HPLC purity analysis and NMR spectroscopy confirm its stability under standard storage conditions (typically 2-8°C in amber glass). Environmental considerations drive interest in green chemistry approaches for its synthesis, with studies exploring catalytic iodination methods to reduce heavy metal waste.

The compound's structure-activity relationship (SAR) makes it particularly relevant to medicinal chemistry communities investigating kinase inhibitors or antimicrobial agents. Patent literature reveals its incorporation in tricyclic compounds with potential CNS activity. These applications resonate with current searches for nitroaromatic therapeutics and iodinated pharmacophores in drug development pipelines.

Quality control protocols for 2-iodo-5-nitrobenzonitrile emphasize residual solvent analysis and heavy metal screening, addressing regulatory requirements for GMP-grade intermediates. The compound's crystallographic data (available in CSD databases) assists in computational modeling studies, linking to trending topics like AI-assisted molecular design. Its X-ray diffraction patterns provide critical insights for cocrystal engineering applications.

Emerging research explores the compound's potential in nonlinear optical materials, capitalizing on its dipolar moment from the nitro-iodo substitution pattern. This connects with industry searches for advanced functional materials in photonics. Safety data sheets emphasize standard organic lab precautions, with particular attention to iodine volatility during high-temperature reactions.

Supply chain analytics indicate stable availability of 101421-15-2 through specialty chemical distributors, with purity grades ranging from 95% (technical) to >99% (research grade). The compound's chromatographic behavior has been documented in reverse-phase HPLC methods, useful for analytical method development queries. Recent process chemistry publications describe continuous flow synthesis approaches to improve yield and reduce E-factor in production.

Academic interest in nitro-iodo benzonitrile derivatives continues to grow, evidenced by increasing citations in SciFinder and Reaxys databases. The compound serves as a key reference material in mechanistic studies of aromatic halogenation, particularly regarding directing group effects. Its spectroscopic fingerprints (notably the CN stretch at ~2230 cm^-1 in IR) make it identifiable in reaction monitoring applications.

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