• 1. 923. Two hypothetical metabolites of proquanil (“paludrine”)
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• Solvents and Organic Chemicals Organic Compounds Hydrocarbons

4,5-Dichloro-2-Nitrophenol: A Comprehensive Overview

4,5-Dichloro-2-nitrophenol, also known by its CAS registry number CAS No. 39224-65-2, is a compound of significant interest in various scientific and industrial applications. This compound is a derivative of phenol, with substituents at the 2, 4, and 5 positions on the aromatic ring. The presence of a nitro group (-NO?) at the 2-position and two chlorine atoms at the 4 and 5 positions imparts unique chemical properties to this molecule.

The structure of 4,5-dichloro-2-nitrophenol is characterized by its aromatic ring with three substituents: a nitro group at position 2 and chlorine atoms at positions 4 and 5. This arrangement leads to a high degree of electron-withdrawing effects due to the nitro group and the electronegative chlorine atoms. These electronic effects influence the compound's reactivity, solubility, and stability under various conditions.

Recent studies have explored the synthesis of 4,5-dichloro-2-nitrophenol through various routes. One common method involves the nitration of chlorophenols under controlled conditions. The nitration step is critical as it determines the regioselectivity of the product. Researchers have optimized reaction conditions to achieve high yields and purity levels for this compound.

The application of CAS No. 39224-65-2 spans across multiple industries. In agriculture, it has been investigated for its potential as a herbicide due to its ability to inhibit plant growth by interfering with essential biochemical pathways. Additionally, this compound has shown promise in pharmaceutical research as a precursor for synthesizing bioactive molecules with anti-inflammatory and antimicrobial properties.

In environmental science, 4,5-dichloro-2-nitrophenol has been studied for its role in water treatment processes. Its ability to act as an oxidizing agent makes it useful in breaking down organic pollutants in contaminated water systems. However, its environmental impact has also been a subject of concern due to potential toxicity to aquatic organisms.

Recent advancements in computational chemistry have provided deeper insights into the molecular interactions of CAS No. 39224-65-2. Quantum mechanical calculations have revealed that the compound exhibits significant π-electron delocalization across the aromatic ring, which contributes to its stability and reactivity. These findings have implications for designing more efficient synthetic pathways and understanding its behavior in different chemical environments.

In conclusion, 4,5-dichloro-2-nitrophenol (CAS No. 39224-65-2) is a versatile compound with diverse applications across various fields. Its unique chemical structure and properties make it an important subject of ongoing research aimed at unlocking its full potential while ensuring safe handling and use.

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