发明名称 |
Method for purifying (-)-N-isopulegol and citrus perfume composition containing (-)-N-isopulegol obtained by the method |
摘要 |
A method for purifying isopulegol is disclosed, comprising deep cooling isopulegol mainly composed of (-)-n-isopulegol in a solvent for deep cooling mainly comprising acetone to obtain (-)-n-isopulegol having a chemical purity of not less than 99.7% by weight and an optical purity of not less than 99.7%e.e. The thus purified (-)-n-isopulegol is odorless and gives a feeling of freshness, crispness and coolness to a citrus perfume composition.
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申请公布号 |
US5773410(A) |
申请公布日期 |
1998.06.30 |
申请号 |
US19950506356 |
申请日期 |
1995.07.24 |
申请人 |
TAKASAGO INTERNATIONAL CORPORATION |
发明人 |
YAMAMOTO, TAKESHI |
分类号 |
A61K8/00;A61Q13/00;C07C29/78;C07C29/80;C07C35/17;C07C35/18;C11B9/00;C11B9/02;(IPC1-7):A61K7/46 |
主分类号 |
A61K8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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