Orally Active androgens are derivative of 7&agr;-methyl-19-nortestosterone. The compounds satisfy formula (I) wherein R
1
is O, (H,H), (H,OR), NOR, with R being hydrogen, (C
1-6
) alkyl, or (C
1-6
) acyl; R
2
is ethyl optionally substituted by halogen; R
3
is hydrogen, (C
1-2
) alkyl, or ethenyl; R
4
is (C
1-2
) alkyl; R
5
is hydrogen, or (C
1-15
)acyl; and the dotted lines indicate optional bonds.
1
口服活性雄激素是7α-甲基-19-去
甲睾酮的衍
生物。化合物满足公式(I),其中R1为O,(H,H),(H,OR),NOR,其中R为氢,(C1-6)烷基或(C1-6)酰基; R2为乙基,可选地被卤素取代; R3为氢,(C1-2)烷基或
乙烯基; R4为(C1-2)烷基; R5为氢或(C1-15)酰基; 而虚线表示可选的键。