| 摘要 |
The invention relates to novel 2 beta -hydroxy-3 alpha -amino-steroids of the formula , IN WHICH R1 = hydrogen or a methyl group R2 = an alkyl group having 1-4 carbon atoms R3 = hydrogen or an acyl radical X = H2, H(OR3) or O, and Y = O, H( beta OR3), R4( beta OR3), H( beta COCH3) or H( beta CHOR3CH3), wherein R4 is a saturated or unsaturated lower alkyl group, their salts and esters and the N-acyl-derivatives thereof, and to the processes for their preparation. |
