[EN] 17.BETA- (ALPHA-HYDROXY) -ESTERS OF ANDROSTANES AS INTERMEDIATES FOR THE PREPARATION FOR THE PREPARATION OF 17.BETA.-FLUORINATED-ANDROSTANE ESTERS [FR] ESTERS DE 17-BETA-(ALPHA-HYDROXY) D'ANTROSTANES, UTILISES COMME INTERMEDIAIRES DANS LA PREPARATION D'ESTERS D'ANDROSTANE 15-BETA FLUORES.
[EN] 17.BETA- (ALPHA-HYDROXY) -ESTERS OF ANDROSTANES AS INTERMEDIATES FOR THE PREPARATION FOR THE PREPARATION OF 17.BETA.-FLUORINATED-ANDROSTANE ESTERS [FR] ESTERS DE 17-BETA-(ALPHA-HYDROXY) D'ANTROSTANES, UTILISES COMME INTERMEDIAIRES DANS LA PREPARATION D'ESTERS D'ANDROSTANE 15-BETA FLUORES.
PROCESS FOR PREPARING FLUTICASONE PROPIONATE/FUROATE
申请人:Solanki Kirtipalsinh
公开号:US20140148593A1
公开(公告)日:2014-05-29
The present invention relates to an improved process for the preparation of substituted Fluticasone derivatives. The invention also reveals the processes for the purification of Fluticasones and related intermediates to provide the highly pure product.
17.Beta-(alpha-hydroxy)-esters of androstanes as intermediates for the preparation of 17.beta-fluorinated-androstane esters
申请人:Cainelli Adele Gianfranco
公开号:US20060116359A1
公开(公告)日:2006-06-01
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.
17.BETA-[ALPHA-HYDROXY]-ESTERS OF ANDROSTANES AS INTERMEDIATES FOR THE PREPARATION OF 17.BETA.-FLUORINATED-ANDROSTANE ESTERS
申请人:Farmabios S.p.A.
公开号:EP1575983A1
公开(公告)日:2005-09-21
PROCESS FOR THE PREPARATION OF S-FLUOROMETHYL-6 ,9 -DIFLUORO-11 -HYDROXY-16 -METHYL-17 -PROPIONYLOXY-3-OXO-ANDROSTA-1,4-DIENE-17 -CARBOTHIOATE AND INTERMEDIATES
申请人:Generics [UK] Limited
公开号:EP2044099B1
公开(公告)日:2012-05-23
PROCESS FOR THE PREPARATION OF S-FLUOROMETHYL-6,9-DIFLUORO-11-HYDROXY-16-METHYL-17-PROPIONYLOXY-3-OXO-ANDROSTA-1,4-DIENE-17-CARBOTHIOATE AND INTERMEDIATES