[EN] COMBINED SYNTHESIS ROUTE FOR ETONOGESTREL AND DESOGESTREL<br/>[FR] VOIE DE SYNTHÈSE COMBINÉE DE L'ÉTONOGESTREL ET DU DÉSOGESTREL
申请人:MSD OSS BV
公开号:WO2013135744A1
公开(公告)日:2013-09-19
The present invention relates to a synthesis route and to steroid derivatives of general formula VI and VII useful in the synthesis of desogestrel and etonogestrel.
本发明涉及一种合成路线,以及通用公式VI和VII的类固醇衍生物,用于合成去甲酮地诺酮和依诺地诺酮。
[EN] PROCESS FOR PREPARING 11 -METHYLENE-18-METHYL-ESTR-4-EN-3, 17- DIONE, USEFUL AS INTERMEDIATE COMPOUND FOR THE SYNTHESIS OF MOLECULES HAVING A PHARMACOLOGICAL ACTIVITY<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LA 11-MÉTHYLÈNE-18-MÉTHYL-ESTR-4-ÈNE-3,17-DIONE, UTILE COMME COMPOSÉ INTERMÉDIAIRE POUR LA SYNTHÈSE DE MOLÉCULES AYANT UNE ACTIVITÉ PHARMACOLOGIQUE
申请人:IND CHIMICA SRL
公开号:WO2014037873A1
公开(公告)日:2014-03-13
There is described a process for the industrial synthesis of 11-methylene-18- methyl-estr-4-en-3, 17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.
COMBINED SYNTHESIS ROUTE FOR DESOGESTREL AND ETONOGESTREL
申请人:MSD Oss B.V.
公开号:US20150031875A1
公开(公告)日:2015-01-29
The present invention relates to a synthesis route and to steroid derivatives of general formula VI and VII useful in the synthesis of desogestrel and etonogestrel.
本发明涉及一种合成路线以及通式VI和VII的类固醇衍生物,可用于合成去甲醇地诺孕酮和依地酮孕酮。
Process for Preparing 11-Methylene-18-Methyl-Estr-4-En-3, 17-Dione, Useful as Intermediate Compound for the Synthesis of Molecules Having Pharmacological Activity
申请人:Industriale Chimica S.r.I
公开号:US20150239925A1
公开(公告)日:2015-08-27
There is described a process for the industrial synthesis of 11-methylene-18-methyl-estr-4-en-3,17-dione, a compound having the structure formula (I) depicted below: (Formula I) (I) useful as intermediate compound in the synthesis of the progestin compounds Desogestrel and Etonogestrel.
NEW INTERMEDIATES FOR THE PREPARATION OF 11-METHYLENE STEROIDS
申请人:Crystal Pharma, S.A.U.
公开号:EP3865501A1
公开(公告)日:2021-08-18
The invention relates to a process for the preparation of 11-methylene steroids through selective olefination of the ketone at position 11. The resulting products are useful intermediates in the preparation of several pharmaceutically active agents, such as Etonogestrel and Desogestrel.