发明授权
- 专利标题: Process for the preparation of L-ascorbic acid
- 专利标题(中): L-抗坏血酸的制备方法
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申请号: US09553896申请日: 2000-04-20
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公开(公告)号: US06197977B1公开(公告)日: 2001-03-06
- 发明人: Andreas Böttcher , Hans Gurski , Thomas Kuntze , Karsten Kjaergaard
- 申请人: Andreas Böttcher , Hans Gurski , Thomas Kuntze , Karsten Kjaergaard
- 优先权: DE19919203 19990428
- 主分类号: C07D30762
- IPC分类号: C07D30762
摘要:
The invention relates to a process for the preparation of L-ascorbic acid, which comprises lactonizing a melt of alkyl 2-keto-L-gulonate under acidic conditions.
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