Description  Claims  Cited references 

DE700036C   [0011] 
US6956141B1   [0028] 

Green Chem.   [0003] 
J. Org. Chem.   [0006] 
Synthesis   [0007] 
J. Org. Chem.   [0008] 
Catal. Today   [0009] 
J. Chem. Soc. [Perkin 1   [0010] 
Synthesis   [0012] 
Green Chem.   [0032] 
Green Chem.   [0032]