The present invention discloses compounds of formula (I):
which exhibit antiviral properties. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject in need of anti-HBV treatment. The invention also relates to methods of treating a HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.
Developable bottom antireflective coating compositions are provided.
提供可开发底部防反射涂层组合物。
[EN] METHODS FOR THE PURIFICATION OF DEOXYCHOLIC ACID<br/>[FR] PROCÉDÉS POUR LA PURIFICATION DE L'ACIDE DÉSOXYCHOLIQUE
申请人:KYTHERA BIOPHARMACEUTICALS INC
公开号:WO2011075701A2
公开(公告)日:2011-06-23
Synthetic methods for preparing deoxycholic acid and intermediates thereof, high purity synthetic deoxycholic acid, compositions and methods of use are provided. Also, provided are processes for the synthesis of 12-keto or 12-α-hydroxysteroids from Δ-9,11-ene, 11-keto or 11-hydroxy-β-steroids. This invention is also directed to novel compounds prepared during the synthesis. This invention is also directed to the synthesis of deoxycholic acid starting from hydrocortisone.
Synthetic methods for preparing deoxycholic acid and intermediates thereof, high purity synthetic deoxycholic acid, compositions and methods of use are provided. Also, provided are processes for the synthesis of 12-keto or 12-α-hydroxy-steroids from Δ-9,11-ene, 11-keto or 11-hydroxy-β-steroids. This invention is also directed to novel compounds prepared during the synthesis. This invention is also directed to the synthesis of deoxycholic acid starting from hydrocortisone.