Description  Claims  Cited references 

US6211244B   [0005] 
WO2008035212PCT   [0009] 
WO2008068625PCT   [0010] 
WO2007127445A   [0011] 
WO2008035381PCT   [0011] 
WO2008058235PCT   [0011] 
WO2008117299PCT   [0011] 
WO2009153814A   [0012] 

Drug of the future   [0007] 
Tetrahedron letters   [0008] 
Tetrahedron Letters   [0011] 
Synthetic communications   [0011]