| Title: | Preparation method and anti-bearing usage of tripterygium-wilfordii ketone | ||
| Application Number: | 90105750 | Application Date: | 1990.10.13 |
| Publication Number: | 1060845 | Publication Date: | 1992.05.06 |
| Approval Pub. Date: | Granted Pub. Date: | ||
| International Classifi-cation: | A61K31/34,C07D493/22 | ||
| Applicant(s) Name: | Dermatology Inst., Chinese Academy of Medical Scie | Address: | 210042 |
| Inventor(s) Name: | Lu Xieyu, Qian Shaozhen | ||
| Attorney & Agent: | LI ZHONGPING FENG MIN | ||
|
|
|
||
Abstract: |
|||
| According to this invention, a plant, tripterygium wilfordii is extracted with solvent and the resultant extraction is chromatographed, eluted with organic solvent and crystallized to obtain tripterygium wilfordii ketone, which has efficient and restorable male sterile function without any by-effect. | |||
|
|
|||
| Time: | 8 | ||
<- Previous Patent:Process for preparing 6-methyl-3,...
| Next Patent:Alkylene oxide catalysts containi... ->
|
|||