发明名称 |
Process for producing corosolic acid |
摘要 |
This invention provides an improved process for producing corosolic acid starts from ursolic acid, which occurs in plants in relatively large amounts, the method comprising the steps of oxidizing the hydroxyl group at 3-position and utilizing the carbonyl group at 3-position to introduce a hydroxyl group stereospecifically into the 3-oxoursolic acid at the 2alpha-position adjacent to the hydroxyl group at 3-position.
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申请公布号 |
US7071229(B2) |
申请公布日期 |
2006.07.04 |
申请号 |
US20040866733 |
申请日期 |
2004.06.15 |
申请人 |
TOKIWA, PHYTOCHEMICAL CO., LTD. |
发明人 |
TAKAYAMA HIROMITSU;KITAJIMA MARIKO;ISHIZUKA TOMOKO;SEO SHUJIRO |
分类号 |
C07C61/28;A23L1/30;A61K31/20;A61K31/565;A61P3/10;C07J63/00 |
主分类号 |
C07C61/28 |
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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