9-Alpha-hydroxy-17-methylene steroids, process for their preparation and their use in the preparation of corticosteroids
申请人:ROUSSEL-UCLAF
公开号:EP0336521B1
公开(公告)日:1992-04-01
US5194602A
申请人:——
公开号:US5194602A
公开(公告)日:1993-03-16
[EN] 9-ALPHA-HYDROXY-17-METHYLENE STEROIDS, THEIR PREPARATION AND UTILIZATION
申请人:GIST-BROCADES N.V.
公开号:WO1989009781A1
公开(公告)日:1989-10-19
(EN) New 9$g(a)-hydroxy-17-methylene steroids are prepared by the introduction of a substituted 17-methylene group in 9$g(a)-hydroxyandrost-4-ene-3,17-dione. The resulting compounds are useful starting compounds in the synthesis of corticosteroids.(FR) De nouveaux stéroïdes de 9$g(a)-hydroxy-17-méthylène sont préparés par introduction d'un groupe 17-méthylène substitué dans du 9$g(a)-hydroxyandrost-4-ène-3,17-dione. Les composés qui en résultent constituent des composés de départ utiles dans la synthèse de corticostéroïdes.
9.alpha.-hydroxy-17-methylene steroids, process for their preparation
申请人:Gist-Brocades N.V.
公开号:US05194602A1
公开(公告)日:1993-03-16
New 9.alpha.-hydroxy-17-methylene steroids are prepared by the introduction of a substituted 17-methylene group in 9.alpha.-hydroxyandrost-4-ene-3, 17-dione. The resulting compounds are useful starting compounds in the synthesis of corticosteroids.