Intermediates in the synthesis of diamino-androstane derivatives
申请人:Richter Gedeon Vegyészeti Gyár R.T.
公开号:EP0345471B1
公开(公告)日:1993-06-09
METHOD FOR IMPROVING THE ORAL BIOAVAILABILITY OF A DRUG
申请人:PharmaCytics B.V.
公开号:US20200330602A1
公开(公告)日:2020-10-22
The invention is in the field of medical sciences. It provides new pharmaceutical methods and preparations. In particular, the invention relates to a method for increasing the oral bioavailability of drugs. The invention also provides new compositions comprising a drug covalently attached to a saccharide as in formula (I) below. More in particular, the invention relates to a method for increasing the oral bioavailability of a drug by covalently attaching a sugar-linked, N-substituted or unsubstituted carbamoylalkylidene moiety to a hydroxyl or thiol group of a drug, wherein the substituents are as defined in the claims.