您的位置: 首页 > 农业专利 > 详情页

Fremgangsmåte for fremstilling av galantaminhydrobromid
专利权人:
Indena SpA
发明人:
Gabetta, Bruno,Mercalli, Enrico
申请号:
NO20073053
公开号:
NO338724B1
申请日:
2007.06.15
申请国别(地区):
NO
年份:
2016
代理人:
摘要:
A process for the purification of galanthamine (I) comprising precipitation of galanthamine hydrobromide from a mixture of alkaloids obtained from a plant of the Amaryllidaceae family containing galanthamine, treatment of the hydrobromide with alkali, extraction and crystallization of galanthamine with a solvent of general formula (II), in which R1 is hydrogen or methyl and R2 is selected from n-butyl, isobutyl, sec-butyl and t-butyl. The resulting pure galanthamine can be conveniently used for the preparation of galanthamine hydrobromide.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充