[EN] PROCESSES AND INTERMEDIATES FOR THE PRODUCTION OF FULVESTRANT<br/>[FR] PROCÉDÉS ET INTERMÉDIAIRES DESTINÉS À LA PRODUCTION DE FULVESTRANT
申请人:SYNTHON BV
公开号:WO2010043404A1
公开(公告)日:2010-04-22
The invention relates to a compound of formula (1) wherein R1 represents hydrogen or an acetyl group and R2 represents a methyl, acetyl, or benzyl group, to its preparation, and to its use in the preparation of fulvestrant.
[EN] PROCESS FOR THE MANUFACTURE OF 7-ALPHA-[9-(4,4,5,5,5-PENTA FLUOROPENTYLSULPHINYL) NONYL]ESTRA-1,3,5-(10)- TRIENE-3,17-BETA-DIOL<br/>[FR] PROCÉDÉ DE FABRICATION DE 7-ALPHA-[9-(4,4,5,5,5-PENTAFLUOROPENTYLSULFINYL)NONYL]ESTRA-1,3,5-(10)-TRIÈN-3,17-BÊTA-DIOL
申请人:XI AN LIBANG PHARMACEUTICAL CO
公开号:WO2009039700A1
公开(公告)日:2009-04-02
The present invention provides a novel multi-step process for the manufacturing Fulvestrant, which is economical and convenient to operate at commercial scale, and requires only simple chromatographic separations after the coupling step of adding the side chain to the 7 position of the steroid.
Process for the manufacture of 7-alpha-[9-(4,4,5,5,5-penta fluoropentylsulphinyl) nonyl]estra-1,3,5-(10)- triene-3,17-beta-diol
申请人:Cao Suoding
公开号:US20100174101A1
公开(公告)日:2010-07-08
The present invention provides a novel multi-step process for the manufacturing Fulvestrant, which is economical and convenient to operate at commercial scale, and requires only simple chromatographic separations after the coupling step of adding the side chain to the 7 position of the steroid.
The present invention relates to novel compounds which are 7α-substituted 17-alkylene-16α-hydroxy steroidal estrogens. This invention specifically relates to estrogen derivatives which contain 7α-substituents and which exhibit anti-estrogenic properties. The present invention also relates to use of said compounds as a medicament, and for the treatment of estrogen dependent disorders, a pharmaceutical composition comprising one or more of said compounds and a method of treatment.