Title:
【発明の名称】9(11)-デヒドロステロイドの製造方法
Document Type and Number:
Japanese Patent JP2584829
Kind Code:
B2
Abstract:
9(11)-dehydroandrostanes and 9(11)-dehydropregnanes are prepared by dehydrating the corresponding 9-alpha-hydroxy steroid in the presence of a Lewis acid. The corresponding 8(9)-dehydro-isomer was not detectable. The resulting products are valuable intermediates in steroid synthesis especially in the preparation of corticosteroids.
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Inventors:
YAKOBUSU NIKORAASU MARIA BATEISUTO
NIKORAASU KORUNERISU MARIA EMANUERU BARENZE
AASAA FURIITORITSUHI MARUKUSU
NIKORAASU KORUNERISU MARIA EMANUERU BARENZE
AASAA FURIITORITSUHI MARUKUSU
Application Number:
JP14341388A
Publication Date:
February 26, 1997
Filing Date:
June 10, 1988
Export Citation:
Assignee:
ROUSSEL UCLAF
International Classes:
C07J1/00; C07J3/00; C07J5/00; C07J13/00; C07J41/00; C07J75/00; (IPC1-7): C07J1/00; C07J5/00; C07J41/00
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)