20090054369 | PHARMACEUTICAL COMPOSITIONS OF SILICON-CONTAINING SUBSTITUTED ADENOSINE NUCLEOSIDE AMIDE ANALOGS - Novel compositions of silicon-containing anti-metabolite compounds, their preparation and use in methods for treating cancer are described. The silyl group confers lipophilicity that can enhance the penetration of the compounds across the gut wall, cell membranes and blood brain barrier, thus improving therapeutic properties including bioavailability, metabolism, and/or pharmacokinetics. The triorganosilyl group provides compounds having improved pharmacokinetics and anti-tumor activity. The invention encompasses novel compounds, analogs, prodrugs and pharmaceutically acceptable salts thereof, pharmaceutical compositions and methods for treatment of diseases and other maladies or conditions involving cancer and the like. The subject invention also relates to processes for making such compounds as well as to intermediates useful in such processes. | 02-26-2009 |