[EN] PROCESS FOR OBTAINING FLUOROMETHOLONE AND INTERMEDIATES THEREFOR [FR] PROCÉDÉ POUR L'OBTENTION DE FLUOROMÉTHOLONE ET INTERMÉDIAIRES CORRESPONDANTS
[EN] PROCESS FOR OBTAINING FLUOROMETHOLONE AND INTERMEDIATES THEREFOR [FR] PROCÉDÉ POUR L'OBTENTION DE FLUOROMÉTHOLONE ET INTERMÉDIAIRES CORRESPONDANTS
Process for obtaining fluorometholone and intermediates therefor
申请人:Crystal Pharma, S.L.U.
公开号:EP2246359A1
公开(公告)日:2010-11-03
The present invention relates to a process for obtaining compounds of formula (I) and (V), intermediates useful in the synthesis of some steroids, for example, fluorometholone and derivatives thereof. The invention also relates to other intermediates useful in synthesis.
[EN] PROCESS FOR OBTAINING FLUOROMETHOLONE AND INTERMEDIATES THEREFOR<br/>[FR] PROCÉDÉ POUR L'OBTENTION DE FLUOROMÉTHOLONE ET INTERMÉDIAIRES CORRESPONDANTS
申请人:CRYSTAL PHARMA S L U
公开号:WO2010122096A1
公开(公告)日:2010-10-28
The present invention relates to a process for obtaining compounds of formula (I) and (V), wherein R1 is C1-C6 alkyl; and R2 is OR3, OC(=O)R4 or O-(HPG), wherein R3 is H, C1-C6 alkyl or C6-C14 aryl; R4 is H or C1-C6 alkyl; and HPG is a hydro xyl protecting group, intermediates useful in the synthesis of some steroids, for example, fluorometholone and derivatives thereof. The invention also relates to other intermediates useful in synthesis.