Patent · US Active

Tebuconazole polymorph and preparation method therefor

US11186552B2 · kind B2 · utility

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0References

11Claims

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Assignee

East China University of Science and Technology · CN

Inventors

Zhong Li · Lo Wu, CN
Guobin Ren · Shanghai, CN
Xiaoyong Xu · Shanghai, CN
Minghui Qi · Shanghai, CN
Jian Hu · Shanghai, CN
Chengyu Gong · Shanghai, CN

Key dates

Filing date	Oct 10, 2018
Grant date	Nov 30, 2021
Priority date	—
Expiry date	Oct 10, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/13
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A tebuconazole polymorph and a preparation method therefor are described. In particular, a polymorph of (RS)-1-(4-chloropheny)-4,4-dimethyl-3-(1H-1,2,4-triazol-1-ylmethyl) pentan-3-ol, a preparation method therefor and use thereof are provided. The tebuconazole polymorph has a high purity and excellent crystallization properties, is stable under high humidity, high temperature and light conditions, has excellent solubility, and has high processing properties for formulations, high biological activities and good sterilization effects. The preparation method is simple, has stable processes, and can be implemented on a large scale. The polymorph can greatly improve the quality control and industrial application of tebuconazole-containing pesticides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.