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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Toluenes
• Solvents and Organic Chemicals Organic Compounds Acids/Esters

Introduction to 2-(p-tolyl)acetic acid (CAS No. 622-47-9)

2-(p-tolyl)acetic acid, also known as 4-methylphenylacetic acid, is a versatile organic compound with the chemical formula C₉H₁₀O₂. This compound is characterized by its aromatic ring and carboxylic acid functional group, making it a valuable intermediate in various chemical and pharmaceutical applications. The compound is listed in the Chemical Abstracts Service (CAS) database under the registry number 622-47-9.

The structure of 2-(p-tolyl)acetic acid consists of a benzene ring substituted with a methyl group at the para position (4-position), and an acetic acid group attached to the benzene ring. This unique structure confers the compound with specific physical and chemical properties, such as solubility in organic solvents and reactivity in various chemical reactions.

In recent years, 2-(p-tolyl)acetic acid has gained significant attention due to its potential applications in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. Its use as an intermediate in the production of nonsteroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents has been extensively studied. For instance, it is a key precursor in the synthesis of diclofenac, a widely used NSAID for pain relief and inflammation reduction.

The synthesis of 2-(p-tolyl)acetic acid can be achieved through several methods. One common approach involves the reaction of p-tolylmagnesium bromide with acetyl chloride, followed by hydrolysis to form the carboxylic acid. Another method involves the Friedel-Crafts acylation of p-toluene with acetyl chloride in the presence of a Lewis acid catalyst. These synthetic routes are well-documented in the literature and have been optimized for industrial-scale production.

The physical properties of 2-(p-tolyl)acetic acid include a melting point of approximately 113-115°C and a boiling point around 300°C at atmospheric pressure. It is slightly soluble in water but highly soluble in organic solvents such as ethanol, acetone, and ethyl acetate. These properties make it suitable for various chemical processes and formulations.

In terms of its biological activity, 2-(p-tolyl)acetic acid has been investigated for its potential pharmacological effects. Studies have shown that it exhibits anti-inflammatory properties, which can be attributed to its ability to inhibit cyclooxygenase (COX) enzymes involved in prostaglandin synthesis. This makes it a promising lead compound for the development of new anti-inflammatory drugs.

Beyond its use in pharmaceuticals, 2-(p-tolyl)acetic acid finds applications in other industries as well. In agrochemicals, it serves as an intermediate in the synthesis of herbicides and pesticides. In fine chemicals, it is used as a building block for the production of dyes, fragrances, and other specialty chemicals.

The environmental impact of 2-(p-tolyl)acetic acid has also been studied to ensure its safe use and disposal. Research indicates that it has low toxicity to aquatic organisms and is biodegradable under aerobic conditions. However, proper handling and disposal practices are recommended to minimize any potential environmental risks.

In conclusion, 2-(p-tolyl)acetic acid (CAS No. 622-47-9) is a multifunctional compound with a wide range of applications in various industries. Its unique chemical structure and properties make it an essential intermediate in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals. Ongoing research continues to explore new applications and optimize existing processes involving this compound, further highlighting its importance in modern chemistry.

• 621-36-3(m-Tolylacetic acid)
• 17283-16-8(2-(3,4-Dimethylphenyl)acetic acid)
• 104182-98-1(Benzene-d5-acetic acid(9CI))
• 19806-17-8(2,2'-(1,3-Phenylene)diacetic Acid)
• 7325-46-4(1,4-Phenylenediacetic acid)
• 42288-46-0(3,5-Dimethylphenylacetic acid)
• 14387-10-1(2-(4-Ethylphenyl)acetic acid)
• 4435-67-0(H3BTA)
• 114-70-5(Sodium 2-phenylacetate)
• 1076-07-9(Phenylacetic-α,α-d2 Acid)