| 摘要 |
The invention comprises a compound having the formula <FORM:0984022/C2/1> wherein R is a hydrogen atom or an alkanoyl group having not more than 8 carbon atoms, R1 is an oxo group or an alkylene-dioxy group having 2 or 3 carbon atoms and the ripple mark (#x) represents a generic indication of both a - and b -configurations. These compounds are obtained by subjecting a D-homo-androsta-9(11), 13(17a ) - diene derivative having the formula <FORM:0984022/C2/2> wherein R is as defined above, to cyanation, if necessary followed by ketalization. Specifications 873,019 and 915,892 also are referred to. |
