-
1.5-fluoro-6-nitrimino-and 6-keto steroids and their preparation 失效
Title translation: 5-氟-6-硝基 - 和6-酮类固醇及其制备-
公开(公告)号:US3201426A
公开(公告)日:1965-08-17
申请号:US30494663
申请日:1963-08-27
Applicant: DU PONT
Inventor: BOSWELL JR GEORGE A , SCRIBNER RICHARD M
-
3.7, 7-gem-difluoro steroids of the androstane and pregnane series 失效
Title translation: 七,七 - 二氟类固醇的雄甾烷和孕烷系列-
4.6,6-difluoro-3-keto-delta4 steroids and their preparation 失效
Title translation: 6,6-二氟-3-酮-Δ4类固醇及其制备方法-
公开(公告)号:US3919204A
公开(公告)日:1975-11-11
申请号:US31402472
申请日:1972-12-11
Applicant: DU PONT
Inventor: BOSWELL JR GEORGE A , BRITTELLI DAVID R
IPC: C07D501/04 , C07D501/20 , C07D501/24
CPC classification number: C07D501/04 , C07D501/24
Abstract: Cephalosporins having 2 or 3 fluorine atoms on the 3-methyl carbon are active antibiotics.
Abstract translation: 在3-甲基碳上具有2或3个氟原子的头孢菌素是活性抗生素。
-
-
-
-
-