Harness, Dickey & Pierce, P.L.C.
Process and intermediates for preparing 17-halogenated 19-norsteroid compounds
The invention relates to a process for preparing compounds of formula (I):in which R1, R2, R3, n and X are as defined in the description, and to the intermediate compounds for implementing this process.
Aventis Pharma S.A.
C A A A C C A
C07J A61K A61P A61K C07J C07J A61P
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Joëlle Patrick Francois Christian
Bousquet Roussel Nique Moratille