Description  Claims  Cited references 

EP0377381B1   [0003] 
EP200638B1   [0004]  [0011] 
EP1845084B1   [0005]  [0044] 
EP2123628B1   [0007] 
WO2012059933A1   [0007] 
EP2391599B1   [0011]  [0026]  [0044] 
WO2014009767A1   [0012] 

J. Chromatogr.   [0006] 
Tetrahedron Letters   [0009] 
Breterick's Handbook of reactive chemical hazards   [0012] 
Protective Groups in Organic Synthesis   [0027]