Compounds of the formula ##STR1## wherein R.sup.1 represents a fluoro-, chloro- or bromo-methyl group or a 2'-fluoroethyl group, R.sup.2 represents a group COR.sup.6 where R.sup.6 is a C.sub.1-3 alkyl group or OR.sup.2 and R.sup.3 together form a 16.alpha.,17.alpha.-isopropylidenedioxy group; R.sup.3 represents a hydrogen atom, a methyl group (which may be in either the .alpha.- or .beta.-configuration) or a methylene group; R.sup.4 represents a hydrogen, chlorine or fluorine atom; R.sup.5 represents a hydrogen or fluorine atom and symbol represents a single or double bond have good anti-inflammatory activity, particularly on topical applications. The compounds of formula I are prepared by esterification, halogenation, reduction, deprotection and reaction at a 9,11-double bond to form a 9.alpha.-halo-11.beta.-hydroxy grouping. Pharmaceutical compositions containing the compounds of formula I and methods for the use of the compounds are described and claimed.
[EN] 6.ALPHA., 9.ALPHA.-DIFLUORO-17.ALPHA.-`(2-FURANYLCARBOXYL) OXY!-11.BETA.-HYDROXY-16.ALPHA.-METHYL-3-OXO-ANDROST-1,4,-DIENE-17-CARBOTHIOIC ACID S-FLUOROMETHYL ESTER AS AN ANTI-INFLAMMATORY AGENT<br/>[FR] 6.ALPHA., 9.ALPHA.-DIFLUORO-17.ALPHA.-`(2-FURANYLCARBOXYLE) OXY!-11.BETA.-HYDROXY-16.ALPHA.-METHYLE-3-OXO-ANDROST-1,4,-DIENE-17-ACIDE CARBOTHIOIQUE S-FLUOROMETHYLE ESTER UTILISE COMME AGENT ANTI INFLAMMATOIRE
申请人:GLAXO GROUP LTD
公开号:WO2002012265A1
公开(公告)日:2002-02-14
According to one aspect of the invention, there is provided a compound of formula (I) and solvates thereof. There are also provided compositions containing the compound, processes for preparing it, and its use in therapy.
According to one aspect of the invention, there is provided a compound of formula (I)
and solvates thereof. There are also provided compositions containing the compound, processes for preparing it, and its use in therapy.
[EN] 17.BETA- (ALPHA-HYDROXY) -ESTERS OF ANDROSTANES AS INTERMEDIATES FOR THE PREPARATION FOR THE PREPARATION OF 17.BETA.-FLUORINATED-ANDROSTANE ESTERS<br/>[FR] ESTERS DE 17-BETA-(ALPHA-HYDROXY) D'ANTROSTANES, UTILISES COMME INTERMEDIAIRES DANS LA PREPARATION D'ESTERS D'ANDROSTANE 15-BETA FLUORES.
申请人:FARMABIOS SRL
公开号:WO2004052912A1
公开(公告)日:2004-06-24
Process for the preparation of polyhalogenated steroids, in particular of androstanic fluoro derivatives corticosteroids by means of the formation of new androstanic S-hydroxy alkyl or aralkyl-17-carbothioate intermediates.