Title:
【発明の名称】10β―H―ステロイドの製法
Document Type and Number:
Japanese Patent JP2999258
Kind Code:
B2
Abstract:
PCT No. PCT/EP91/01018 Sec. 371 Date Nov. 30, 1992 Sec. 102(e) Date Nov. 30, 1992 PCT Filed Jun. 3, 1991 PCT Pub. No. WO91/18918 PCT Pub. Date Dec. 12, 1991.A process for the production of 10 beta -H-11 beta -(substituted phenyl) steroids of the formulae Ia or Ib set forth in the claims by reduction of a compound of the formula III: (III) followed by cleaving with a strong acid or partial cleaving with a less strong acid. Reduction with an electropositive metal in an electron-solvating solvent is preferred.
Inventors:
Ottow, Echult
Nef, Gunter
Kleve, Alveto
Wichelt, Rudolf
Nef, Gunter
Kleve, Alveto
Wichelt, Rudolf
Application Number:
JP50955391A
Publication Date:
January 17, 2000
Filing Date:
June 03, 1991
Export Citation:
Assignee:
Schering Actien Gezershaft
International Classes:
C07J1/00; C07J21/00; C07J31/00; C07J33/00; C07J41/00; C07J43/00; C07J51/00; C07J75/00; (IPC1-7): C07J75/00; C07J1/00
Attorney, Agent or Firm:
Toshio Yano (2 outside)