Methyl 4-chlorocarbonylbenzoate

Methyl 4-chlorocarbonylbenzoate is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1. Pharmaceutical Intermediate

Used in the synthesis of active pharmaceutical ingredients (APIs) by forming amide, ester, or anhydride linkages with various nucleophiles (e.g., amines or alcohols).

Plays a role in the preparation of drug molecules that require aromatic acylation with controlled reactivity.

2. Agrochemical Synthesis

Intermediate in the synthesis of herbicides, fungicides, and plant growth regulators.

Reacts readily with nucleophiles to build more complex molecules with bioactive properties.

3. Polymer and Material Chemistry

Serves as a building block in specialty polymer synthesis, especially for materials that require aromatic or rigid segments.

Its bifunctionality allows it to be incorporated into linear or crosslinked polymer systems.

4. Fine Chemical Synthesis

Employed in the preparation of aromatic acid derivatives, heterocyclic compounds, and dye intermediates.

The acid chloride moiety facilitates selective acylation, while the methyl ester can be hydrolyzed or retained depending on the desired structure.

✅ Bifunctional Reactivity

Contains both a reactive acyl chloride group and a protected carboxyl group (as a methyl ester). This enables stepwise or selective reactions in complex molecule construction.

✅ High Efficiency in Acylation

The acid chloride group allows for efficient acylation of amines and alcohols under mild conditions, making it ideal for preparing amides and esters.

✅ Versatility

Compatible with various nucleophiles and reaction conditions, useful in both solution-phase and solid-phase synthesis.

✅ Ease of Handling

Compared to some benzoyl chlorides, this compound is relatively stable under dry conditions, though care is still needed to avoid moisture.

Methyl 4-chlorocarbonylbenzoate (CAS 7377-26-6) is a strategically functionalized aromatic compound used widely in pharmaceutical, agrochemical, and polymer synthesis. Its dual functional groups-a reactive acid chloride and a stable methyl ester-make it an ideal intermediate for stepwise and selective transformations. Its chemical versatility and synthetic utility make it a valuable tool for industrial and laboratory-scale organic chemistry.

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