Pregnanes and androstanes are described which essentially possess a 3.alpha.-hydroxy group, a 5.alpha.-hydrogen atom or a 4.5- or 5,6-double bond, a 17.alpha.-hydrogen atom and an 11.beta.-aminoester group. Other optional substituents or double bonds may be present. The compounds have anaesthetic activity.
孕烷和雄烷是描述具有3.alpha.-羟基、5.alpha.-
氢原子或4,5-或5,6-双键、17.alpha.-
氢原子和11.beta.-
氨基
酯基团的化合物。其他可选的取代基或双键可能存在。这些化合物具有麻醉活性。