Steroids of the androstane series having a 3.alpha.-hydroxy group, a 3.beta.-hydrogen or methyl group; a 10-hydrogen atom or methyl group, an 11-oxo group or two hydrogen atoms at the 11-position, a 17.alpha.-hydrogen atom, and a group at the 17.beta.-position which is esterified carboxyl group, an N-mono or di-substituted carbamoyl group, a cyano group, a formyl group or an acetalised formyl group; and the 3.alpha.-esters thereof. The steroids possess anaesthetic properties.
20.beta.,21-Epoxy-3.alpha.-hydroxy-5.alpha.-pregnanes and derivatives
申请人:Glaxo Laboratories Limited
公开号:US03969345A1
公开(公告)日:1976-07-13
The invention provides 3.alpha.-oxygenated pregnane 21-ethers possessing a hydroxy group in the 3.alpha.-position; a hydrogen atom or a methyl group at the 10-position; a hydrogen atom in the 17.alpha.-position; a keto group in the 20-position; and an etherified hydroxyl group in the 21-position.
Anaesthetic steroids of the androstane series and process for preparing
申请人:Glaxo Laboratories Limited
公开号:US03989686A1
公开(公告)日:1976-11-02
Anaesthetic steroids of the androstane and 19-norandrostane series are described, the steroids possessing a 3.alpha.-hydroxy group, a 17.alpha.-hydrogen atom and at the 17.beta.-position a --COSH or esterified --COSH group.