Method for synthesizing D,L-alpha-tocopherol catalyzed by ion-liquid
Title：
Method for synthesizing D,L-alpha-tocopherol catalyzed by ion-liquid
Application Number：
 200510011440
Application Date：
 2005/03/18
Announcement Date：
 2005/11/09
Pub. Date：
 2007/12/19
Publication Number：
 1692984
Announcement Number：
 100355745
Grant Date：
 2007-12-19
Granted Pub. Date：
 2007-12-19
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C07D 311/72, B01J 31/00
Applicant(s)：
 Qinghua Univ.
Inventor(s)：
 Wang Tao, Xing Huabin, Zhou Zhenhuan
Key Words：
 ion-liquid, catalyze, synthesize, D,L-alpha-tocopherol
Abstract：
 A process for synthesizing D,L-alpha-tocopherol under the catalysis of ionic liquid as solvent and catalyst features that the trimethyl hydroquinone and isophytol or phytol take part in reaction in the ionic liquid containing sulfonyl groups carried by cations. Its advantage is high output rate.
Claim：
Priority：
PCT：
LegalStatus：

Recommend this patent:
1 2 3 4 5
Average ( 0 votes):
                                                                          Recommended Patents>>

Relevancy information



Other Patents of Same Inventor

Pyridine sulfonic acid salt ion liquid and its preparing process and application
Tributyl citrate preparation method using ion liquid catalysis
Continuous biological diesel oil preparing process
Process for preparing hydrophobic silicon dioxide aerogel using rice husk ash as raw material
Method for preparing ion liquid in halogenated alkyl imidazole type
Method for preparing silicon dioxide aerogel by normal pressure drying method using rice hull ash as raw material



News & Events More>>

Last Update  
2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







Copyright 2008-2015 All Rights Reserved Patent License of China.      Designed by Easygo