22R-HYDROXYCHOLESTA-8,14-DIENE DERIVATIVES FOR THE INHIBITION OF MEIOSIS
申请人:Akzo Nobel N.V.
公开号:EP1163258A1
公开(公告)日:2001-12-19
US6518262B1
申请人:——
公开号:US6518262B1
公开(公告)日:2003-02-11
[EN] 22R-HYDROXYCHOLESTA-8,14-DIENE DERIVATIVES FOR THE INHIBITION OF MEIOSIS<br/>[FR] DERIVES DE 22R-HYDROXYCHOLESTA-8,14-DIENE A ACTIVITE D'INHIBITION DE LA MEIOSE
申请人:AKZO NOBEL NV
公开号:WO2000053618A1
公开(公告)日:2000-09-14
The invention relates to 22R-hydroxycholesta-8,14-diene derivatives having general formula (I) wherein R1 is OR, OSO3H or =NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 is independently hydrogen or (C1-6)alkyl; R4 is hydrogen, (C1-6)alkyl or (C1-6)acyl; R5 is hydrogen; or R5 designates, together with R6, an additional bond between the carbon atoms at which R5 and R6 are placed; R6 is hydrogen, hydroxy or halogen; or R6 designates, together with R5, an additional bond between the carbon atoms at which R6 and R5 are placed; each of R7 and R8 is independently hydrogen or (C1-4)alkyl, optionally substituted with OH, (C1-4)alkoxy, or halogen; or a pharmaceutically acceptable salt thereof. The compounds of the invention have meiosis inhibiting activity and can be used for the control of fertility.