PHOSPHONATE COMPOUNDS HAVING IMMUNO-MODULATORY ACTIVITY
申请人:Cannizzaro Carina
公开号:US20090227543A1
公开(公告)日:2009-09-10
The invention is related to phosphonate substituted compounds having immuno-modulatory activity, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.
FeCl3•6H2O absorbed on chromatographic silica gel can act as an efficient catalyst for alcoholysis, hydrolysis and acetolysis of epoxides. Methanolysis of (R)-styrene oxide proceeds with high stereospecificity and in excellent yield. This catalyst can also convert epoxides to their corresponding β-halohydrins and β-nitrato alcohols in the presence of chloride, bromide and nitrate ions respectively.