p. 1399 - 1415
(2007/10/03)p. 3923 - 3926
(2007/10/03)benzenesulfonyl chloride
1-(1,1-dimethylethyl) 2-methyl (2S,4R)-4-amino-1,2-pyrrolidinedicarboxylate
(2S,4S)-2-methyl N-Boc-4-((methylsulfonyl)oxy)pyrrolidine-2-carboxylate
4R-4-hydroxyproline
1-tert-butyl 2-methyl (2S,4S)-4-((benzoyl)oxy)-1,2-pyrrolidinedicarboxylate