Title:
ベツリン酸の改良された抽出方法
Document Type and Number:
Japanese Patent JP5203950
Kind Code:
B2
Abstract:
Disclosed are large-scale industrial processes for obtaining highly pure betulinic acid from ground plane bark. Betulinic acid is 3beta-hydroxy-lup-20(29)-ene-28-oic acid of formula
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Inventors:
Pewder Karsten Herr
Graev Herbert
Tumeller Marx Ye
Heightsman Marx
Graev Herbert
Tumeller Marx Ye
Heightsman Marx
Application Number:
JP2008535025A
Publication Date:
June 05, 2013
Filing Date:
October 12, 2006
Export Citation:
Assignee:
Boehringer Ingelheim Pharma Gesellshaft Mitt Beschlenktel Haftung Und Company Comandito Gesellshaft
International Classes:
C07J63/00
Domestic Patent References:
| JP2005517020A | ||||
| JP2004509736A |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Rie Kotake
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Rie Kotake