The invention provides 15β-substituted steroidal compounds having selective estrogen receptor activity according to Formula (I) wherein, R
1
is H, C
1-5
alkyl, C
1-12
acyl, di-(C
1-5
alkyl)aminocarbonyl, (C
1-5
alkyl)oxycarbonyl or sulfamoyl, R
2
is H, C
1-3
alkyl, C
2-3
alkenyl or C
2-3
alkynyl, each of which may be optionally substituted with a halogen, R
3
is C
1-2
alkyl, ethenyl or ethynyl, each of which may be optionally substituted with a halogen, and R
4
is H or C
1-12
acyl.
该发明提供了具有选择性
雌激素受体活性的15β-取代类
固醇化合物,其
化学式为(I),其中,R1为氢、C1-5烷基、C1-12酰基、二-(C1-5烷基)
氨基甲酰基、(C1-5烷基)氧甲酰基或磺酰基;R2为氢、C1-3烷基、C2-3烯基或C2-3炔基,每个基团均可选择性地被卤素取代;R3为C1-2烷基、
乙烯基或
乙炔基,每个基团均可选择性地被卤素取代;R4为氢或C1-12酰基。