• 1. Vacuum pyrolysis of salts of 1-acyl-2-arylsulphonylhydrazines; a general McFadyen–Stevens aldehyde synthesis
  Mridula Nair,Harold Shechter J. Chem. Soc. Chem. Commun. 1978 793

• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles 2,4,5-trisubstituted oxazoles
• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azoles Oxazoles 2,4,5-trisubstituted oxazoles

2,4-Dimethyloxazole-5-carbaldehyde (CAS No. 69062-86-8): An Overview of Its Structure, Properties, and Applications

2,4-Dimethyloxazole-5-carbaldehyde (CAS No. 69062-86-8) is a versatile organic compound that has garnered significant attention in recent years due to its unique chemical structure and potential applications in various fields, including pharmaceuticals, materials science, and synthetic chemistry. This compound belongs to the class of oxazoles, which are five-membered heterocyclic compounds containing an oxygen atom and a nitrogen atom. The presence of the aldehyde functional group at the 5-position imparts additional reactivity and functional versatility to the molecule.

The molecular formula of 2,4-Dimethyloxazole-5-carbaldehyde is C₇H₈N₂O, with a molecular weight of approximately 132.15 g/mol. The compound is characterized by its distinctive aromatic ring structure and the presence of two methyl groups at the 2 and 4 positions, which contribute to its stability and reactivity. The aldehyde group at the 5-position is a key functional group that enables a wide range of chemical transformations and reactions.

In terms of physical properties, 2,4-Dimethyloxazole-5-carbaldehyde is a colorless to pale yellow liquid with a characteristic odor. It is soluble in common organic solvents such as ethanol, acetone, and dichloromethane but has limited solubility in water. The compound exhibits moderate stability under standard laboratory conditions but may degrade upon exposure to strong acids or bases.

The synthesis of 2,4-Dimethyloxazole-5-carbaldehyde can be achieved through various routes, including the cyclization of appropriate precursors such as N-methylhydroxylamine and acetaldehyde. One common method involves the reaction of N-methylhydroxylamine with acetaldehyde in the presence of an acid catalyst, followed by dehydration to form the desired oxazole ring. This synthetic route is well-documented in the literature and has been optimized for high yields and purity.

2,4-Dimethyloxazole-5-carbaldehyde has found applications in several areas due to its unique chemical properties. In pharmaceutical research, it serves as an important intermediate in the synthesis of bioactive compounds and drug candidates. For example, recent studies have explored its use in the development of novel antiviral agents and anticancer drugs. The aldehyde group can be readily modified through various chemical reactions, such as condensation with amines or reduction to form alcohols, making it a valuable building block in medicinal chemistry.

In materials science, 2,4-Dimethyloxazole-5-carbaldehyde has been investigated for its potential use in the synthesis of functional polymers and coatings. Its ability to undergo condensation reactions with other monomers allows for the creation of polymers with tailored properties, such as enhanced thermal stability or improved mechanical strength. These materials have potential applications in industries ranging from electronics to automotive manufacturing.

The reactivity of the aldehyde group in 2,4-Dimethyloxazole-5-carbaldehyde also makes it a useful reagent in synthetic chemistry. It can participate in a variety of reactions, including aldol condensations, Knoevenagel condensations, and Mannich reactions. These reactions are fundamental to organic synthesis and are widely used in the preparation of complex molecules for both academic research and industrial applications.

In addition to its chemical properties, recent research has focused on the biological activity of 2,4-Dimethyloxazole-5-carbaldehyde. Studies have shown that derivatives of this compound exhibit promising biological activities, including antimicrobial and anti-inflammatory effects. For instance, a study published in the Journal of Medicinal Chemistry reported that certain derivatives of 2,4-Dimethyloxazole-5-carbaldehyde demonstrated potent inhibitory activity against bacterial pathogens such as Staphylococcus aureus and Escherichia coli.

The environmental impact of 2,4-Dimethyloxazole-5-carbaldehyde is another area of interest. While it is generally considered safe for laboratory use under controlled conditions, proper handling and disposal protocols should be followed to minimize any potential environmental risks. Research into the biodegradability and ecotoxicity of this compound is ongoing to ensure its safe use in industrial processes.

In conclusion, 2,4-Dimethyloxazole-5-carbaldehyde (CAS No. 69062-86-8) is a multifaceted compound with a wide range of applications in pharmaceuticals, materials science, and synthetic chemistry. Its unique chemical structure and reactivity make it an important intermediate and building block for various advanced materials and bioactive compounds. Ongoing research continues to uncover new possibilities for this versatile molecule, highlighting its significance in modern scientific endeavors.

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