[EN] 3-ALPHA-HYDROXY 21-N- HETEROARYL-PREGNANE DERIVATIVES FOR MODULATION OF BRAIN EXCITABILITY AND A PROCESS FOR THE PRODUCTION THEREOF [FR] PROCEDE DE FABRICATION DE STEROIDES 3-ALPHA-HYDROXY SUSTITUES, NOUVEAUX DERIVES DE STEROIDES ET LEURS APPLICATIONS
[EN] 3-ALPHA-HYDROXY 21-N- HETEROARYL-PREGNANE DERIVATIVES FOR MODULATION OF BRAIN EXCITABILITY AND A PROCESS FOR THE PRODUCTION THEREOF [FR] PROCEDE DE FABRICATION DE STEROIDES 3-ALPHA-HYDROXY SUSTITUES, NOUVEAUX DERIVES DE STEROIDES ET LEURS APPLICATIONS
3-Alpha-hydroxy 21-n-heteroaryl-pregnane derivatives for modulation of brain excitability and a process for the production thereof
申请人:Chang Ping W.
公开号:US20090118248A1
公开(公告)日:2009-05-07
The invention relates to a novel multi step process of making compounds of Formula I:
wherein R
1
is an alkoxy group and R
2
is an optionally substituted, N-attached heteroaryl. The hydrogen at the 5-position can be α or β isomer, preferably α. Preferably the compound of Formula I is 17β isomer. The invention also relates to novel 3α-hydroxy-3β-substituted-17-substituted steroid compounds having GABA
A
receptor modulating activity, pharmaceutical compositions comprising these compounds, and the use of these compounds in a method of modulating brain excitability.
[EN] 3-ALPHA-HYDROXY 21-N- HETEROARYL-PREGNANE DERIVATIVES FOR MODULATION OF BRAIN EXCITABILITY AND A PROCESS FOR THE PRODUCTION THEREOF<br/>[FR] PROCEDE DE FABRICATION DE STEROIDES 3-ALPHA-HYDROXY SUSTITUES, NOUVEAUX DERIVES DE STEROIDES ET LEURS APPLICATIONS