An improved process for the preparation of nitazoxanide and intermediates thereof

A single-vessel process with specific solvents and precipitation techniques addresses the inefficiencies of existing Nitazoxanide synthesis, achieving high purity and cost-effectiveness for industrial-scale production.

GB2625684BActive Publication Date: 2026-06-11COUNCIL OF SCI & IND RES

Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Patents
Current Assignee / Owner
COUNCIL OF SCI & IND RES
Filing Date
2022-09-21
Publication Date
2026-06-11

AI Technical Summary

Technical Problem

Existing processes for synthesizing Nitazoxanide are labor-intensive, time-consuming, and not suitable for industrial-scale production, leading to low purity and high manufacturing costs, and involve the use of reagents that form impurities.

Method used

A single-vessel process using specific reaction solvents and precipitation/crystallization techniques to synthesize Nitazoxanide, avoiding column chromatography and utilizing starting materials like 1,1-dimethoxy-N,N-dimethylethanolamine, brominating agents, and acid catalysts to produce high-purity intermediates.

Benefits of technology

The process achieves high chemical purity and scalability, reducing costs and time, making it industrially viable for Nitazoxanide production.

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Abstract

The present invention relates to the process for the preparation of Nitazoxanide and intermediates thereof. The invention explores readily available starting materials with reaction conditions that ar
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