发明授权
- 专利标题： Synthesis of 1-(2-sulfoethyl)-pyridinium betaine
- 专利标题（中）： 1-（2-磺乙基） - 吡啶鎓甜菜碱的合成
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申请号： US09600874申请日： 2000-08-11
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公开(公告)号： US06403800B1公开(公告)日： 2002-06-11
- 发明人: Elisabeth Kappes , Gregor Brodt , Rudi Kröner , Norbert Wagner , Sören Hildebrandt , Thomas Bogenstätter
- 申请人： Elisabeth Kappes , Gregor Brodt , Rudi Kröner , Norbert Wagner , Sören Hildebrandt , Thomas Bogenstätter
- 优先权： DE19805487 19980211
- 主分类号： C07D21170
- IPC分类号： C07D21170
摘要：
Described is a process for preparing 1-(2-sulfoethyl)pyridinium betaine wherein pyridine is reacted with a sulfoethylating agent from the group consisting of carbyl sulfate, ethionic acid and its salt and vinylsulfonic acid and vinylsulfonate, the reaction taking place in aqueous solution or in pyridine.