[EN] METHODS FOR PREPARING BILE ACIDS<br/>[FR] PROCÉDÉS DE PRÉPARATION D'ACIDES BILIAIRES
申请人:MEDYTOX INC
公开号:WO2019024920A1
公开(公告)日:2019-02-07
The present disclosure provides methods of preparing cholic acid, deoxycholic acid, or chenodeoxycholic acid, an ester thereof, or a pharmaceutically or cosmetically acceptable salt thereof, and novel and useful synthetic intermediates, for example, as described for methods 1, 1A, 1B, 2, 3, 3A, and 4. The method can start with a plant derived steroid as a starting material, such as dehydroepiandrosterone (DHEA) or Acetyl-dehydroepiandrosterone (Ac-DHEA). Also provided are pharmaceutical or cosmetic compositions and uses thereof, which comprise one or more of cholic acid, deoxycholic acid, or chenodeoxycholic acid, an ester thereof, or a pharmaceutically or cosmetically acceptable salt thereof, which is of high purity, for example, free of animal derived impurities.
本公开提供了制备胆酸、去氧胆酸或烯醇去氧胆酸、其酯或药用或化妆品可接受的盐的方法,以及新颖且有用的合成中间体,例如,如方法1、1A、1B、2、3、3A和4所述。该方法可以以植物源类固醇作为起始物质开始,例如脱氢表雄酮(DHEA)或乙酰脱氢表雄酮(Ac-DHEA)。还提供了包含胆酸、去氧胆酸或烯醇去氧胆酸、其酯或药用或化妆品可接受的盐中的一种或多种的药用或化妆品组合物和用途,其具有高纯度,例如,不含动物来源杂质。