(2013/11/06)
(R)-3,3-dimethyl-[1,3]azasilolidine-1,5-dicarboxylic acid 1-tert-butyl ester
(R)-3,3-dimethyl-[1,3]azasilolidine-1,5-dicarboxylic acid 5-[2-(4-bromo-phenyl)-2-oxo-ethyl]ester 1-tert-butyl ester
[(S)-1-((R)-3,3-dimethyl-5-{4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-[1,3]azasilolidine-1-carbonyl)-2-methyl-propyl]-carbamic acid methylester
((S)-1-{(R)-5-[4-(4-bromo-phenyl)-1H-imidazol-2-yl]-3,3-dimethyl-[1,3]azasilolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester