4-nitrobenzoic acid imidazole quaternary ammonium salt, its preparation method and application

By preparing 4-nitrobenzoic acid imidazole quaternary ammonium salt, the problem of drug resistance of quaternary ammonium salt antibacterial agents is solved by utilizing the hydrogen bond connection between anions and cations. This achieves highly efficient antibacterial and ultraviolet absorption effects, and is suitable for antibacterial materials and ultraviolet absorbers. Moreover, the preparation process is simple and easy to carry out.

CN119285550BActive Publication Date: 2025-11-28SOUTH CHINA AGRICULTURAL UNIVERSITY
1 Cites 0 Cited by

Patent Information

Application Number
CN202411250895.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-11-28
Estimated Expiration
2044-09-06

AI Technical Summary

Technical Problem

Existing quaternary ammonium salt antibacterial agents are prone to bacterial resistance after long-term use, and their antibacterial efficacy needs to be improved. There is a need to develop safe, efficient, and residue-free bactericidal drugs to expand their application scope.

Method used

A quaternary ammonium salt of 4-nitrobenzoic acid imidazole is prepared by forming a eutectic between 4-nitrobenzoic acid and imidazole, which is linked by hydrogen bonds between anions and cations. The preparation method is simple and includes dissolution, filtration and drying steps, and is suitable for operation at room temperature.

Benefits of technology

The provided 4-nitrobenzoic acid imidazole quaternary ammonium salt has significant antibacterial effects, good thermal stability and visible light absorption capacity, making it suitable for antibacterial materials and ultraviolet absorbers. Moreover, the preparation process is simple, low-cost, and easy to industrialize.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application discloses 4-nitrobenzoic acid imidazole quaternary ammonium salt and a preparation method and application thereof. The 4-nitrobenzoic acid imidazole quaternary ammonium salt provided by the application has a structure as shown in formula (I), is in a single crystal form, is in a triclinic crystal system, and belongs to a P-1 space group. The 4-nitrobenzoic acid imidazole quaternary ammonium salt has a significant bacteriostatic effect, good thermal stability, and can be applied to preparation of antibacterial materials as an antibacterial agent.
Need to check novelty before this filing date? Find Prior Art