Process for the preparation of 17β-hydroxy-des-A-androst-9,10-en-5-one
申请人:INDUSTRIALE CHIMICA S.R.L.
公开号:US10189765B2
公开(公告)日:2019-01-29
The present invention relates to a new process for the synthesis of 17β-hydroxy-des-A-androst-9,10-en-5-one, the compound of the following formula (1), which can be used as an intermediate in the synthesis of retroprogesterones.
Process for the preparation of 9 beta,10 alpha-progesterone (retroprogesterone)
申请人:INDUSTRIALE CHIMICA S.R.L.
公开号:US10654885B2
公开(公告)日:2020-05-19
The present invention refers to a new process for the synthesis of (9β,10α)-pregn-4-ene-3,20-dione, commonly known as retroprogesterone, having the formula (1) shown below.
PROCESS FOR THE PREPARATION OF 9 BETA,10 ALPHA-PROGESTERONE (RETROPROGESTERONE)
申请人:INDUSTRIALE CHIMICA S.R.L.
公开号:US20200040029A1
公开(公告)日:2020-02-06
The present invention refers to a new process for the synthesis of (9β,10α)-pregn-4-ene-3,20-dione, commonly known as retroprogesterone, having the formula (1) shown below.
US9341635B2
申请人:——
公开号:US9341635B2
公开(公告)日:2016-05-17
[EN] PROCESS FOR THE PREPARATION OF 9 BETA,10 ALPHA-PROGESTERONE (RETROPROGESTERONE)<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 9 BÊTA,10 ALPHA-PROGESTÉRONE (RÉTROPROGESTÉRONE)
申请人:IND CHIMICA SRL
公开号:WO2018134278A1
公开(公告)日:2018-07-26
The present invention refers to a new process for the synthesis of (9β,10α)-pregn-4-ene-3,20-dione, commonly known as retroprogesterone, having the formula (1) shown below.