Invention Grant
- Patent Title: Hydroxytyrosol ursolic acid ester with antioxidant activity and methods of preparing the same
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Application No.: US16826045Application Date: 2020-03-20
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Publication No.: US10995053B1Publication Date: 2021-05-04
- Inventor: Han Li , Nan Hui , Bin Tian , Xingke Ju , Yuzhi Liu , Dan Yang , Jingwen Xu , Liang Qi , Qianqian Zhao , Yongbo Wang
- Applicant: Han Li , Nan Hui , Bin Tian , Xingke Ju , Yuzhi Liu , Dan Yang , Jingwen Xu , Liang Qi , Qianqian Zhao , Yongbo Wang
- Applicant Address: CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an
- Assignee: Han Li,Nan Hui,Bin Tian,Xingke Ju,Yuzhi Liu,Dan Yang,Jingwen Xu,Liang Qi,Qianqian Zhao,Yongbo Wang
- Current Assignee: Han Li,Nan Hui,Bin Tian,Xingke Ju,Yuzhi Liu,Dan Yang,Jingwen Xu,Liang Qi,Qianqian Zhao,Yongbo Wang
- Current Assignee Address: CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an; CN Xi'an
- Main IPC: C07C67/08
- IPC: C07C67/08 ; B01J20/291 ; B01J31/02
Abstract:
A compound having the formula (I): is disclosed. Methods of preparing the compound of formula (I) are also disclosed. The compound of formula (I) can be prepared by reacting a compound of formula (II) with a compound of formula (III) in an organic solvent with EDC (1-ethyl-3-(3-dimethylaminopropyl)carbodiimide). The compound of formula (I) can also be prepared by reacting the compound of formula (II) with the compound of formula (III) in 1-ethyl-3-methylimidazolium hexafluorophosphate as a solvent with silicomolybdic acid as a catalyst.
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