Title:
【発明の名称】25,26,27-トリノルコレステロール化合物
Document Type and Number:
Japanese Patent JPH0742305
Kind Code:
B2
Abstract:
This invention provides a new method for preparing 26,26,26,27,27,27-hexafluoro-1,25-dihydroxycholesterol. The method permits the use of cholenic acid or an ester of cholenic acid as the starting material and the preparation of a compound which can be readily converted into a highly active derivative of vitamin D, 26,26,26,27,27,27-hexafluoro-1 alpha ,25-dihydroxycholecalciferol.
Inventors:
Hector F. Deluca
Yoko Tanaka
Nobuo Ikegawa
Yoshio Kobayashi
Yoko Tanaka
Nobuo Ikegawa
Yoshio Kobayashi
Application Number:
JP3264492A
Publication Date:
May 10, 1995
Filing Date:
January 23, 1992
Export Citation:
Assignee:
Wisconsin Alumni Research Foundation
International Classes:
A61K31/695; A61P3/02; C07J9/00; C07J31/00; C07J51/00; A61K31/575; C07J71/00; (IPC1-7): C07J9/00; C07J31/00; C07J51/00
Domestic Patent References:
| JP5572200A | ||||
| JP5585599A | ||||
| JP5422359A | ||||
| JP565500A |
Other References:
【文献】米国特許4248791(US,A)
Attorney, Agent or Firm:
Takao Kawasaki (1 outside)
Next Patent: JPH0742306