INDUSTRIAL PROCESS FOR THE SYNTHESIS OF 17 ALPHA -ACETOXY-11 BETA -S4-(N,N-DIMETHYL-AMINO)- PHENYLC-19-NORPREGNA-4,9-DIENE-3,20-DIONE AND NEW INTERMEDIATES OF THE PROCESS
A new industrial process for the synthesis of solvate-free 17α-acetoxy-11 -[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione [CDB-2914] of formula (I) which is a strong antiprogestogene and antiglucocorticoid agent. The invention also relates to compounds of formula (VII) and (VIII)...
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Zusammenfassung: | A new industrial process for the synthesis of solvate-free 17α-acetoxy-11 -[4-(N,N-dimethyl-amino)-phenyl]-19-norpregna-4,9-diene-3,20-dione [CDB-2914] of formula (I) which is a strong antiprogestogene and antiglucocorticoid agent. The invention also relates to compounds of formula (VII) and (VIII) used as intermediates in the process. |
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