【発明の名称】25,26,27-トリノル-1α,2β-エポキシコレスタ-4,6-ジエン-3-オン-24-酸メチルエステル

Title:

【発明の名称】25,26,27-トリノル-1α,2β-エポキシコレスタ-4,6-ジエン-3-オン-24-酸メチルエステル

Document Type and Number:

Japanese Patent JPH0742306

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

Application Number:

JP3264592A

Publication Date:

May 10, 1995

Filing Date:

January 23, 1992

Export Citation:

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Assignee:

Wisconsin Alumni Research Foundation

International Classes:

A61K31/695; A61P3/02; C07J9/00; A61K31/575; C07J31/00; C07J51/00; C07J71/00; (IPC1-7): C07J9/00; A61K31/575; A61K31/695

Domestic Patent References:

JP5572200A
JP5598199A

Attorney, Agent or Firm:

Takao Kawasaki (1 outside)

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