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Separation and purification method for vancomycin hydrochloride of high purity
专利权人:
Ltd. Xinchang Pharmaceutical Factory;Zhejiang Medicine Co.
发明人:
Enmin Li,Yiyun Zhuang,Jue Wang,Xinqiang Sun,Xuejun Lao,Biwang Jiang
申请号:
US15033116
公开号:
US10131689B2
申请日:
2014.10.27
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Provided is a separation and purification method for vancomycin hydrochloride of high purity. The method comprises the following steps: (1) obtaining a vancomycin hydrochloride solution from a crude vancomycin product by ion exchange chromatography and obtaining a concentrate by nanofiltration desalination and concentration; (2) adjusting the concentrate with a hydrochloric acid solution and then performing a column chromatography using a reverse chromatography column for the adjusted concentrate; (3) collecting the chromatographic solution of vancomycin to obtain a mixed chromatographic solution; (4) adjusting the mixed chromatographic solution, and separating the solution and the salts by nanofiltration desalination and concentration to obtain a concentrate; and (5) obtaining a vancomycin dry powder with a chromatographic purity of up to 99% and a pure white appearance by dehydrating and drying the concentrate of step (4), or by solvent crystallization or salting-out crystallization.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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