FOERFARANDE FOER FRAMSTAELLNING AV 10B-H-STEROIDER
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...
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Main Authors | , , , |
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Format | Patent |
Language | Finnish |
Published |
30.11.1992
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: FI19920005445 |