p. 4167 - 4172
(2008/02/09)(2010/02/11)
1-tert-butyl 2-methyl (2S,4R)-4-hydroxy-1,2-pyrrolidinedicarboxylate
(2S,4S)-1-tert-butoxycarbonyl-4-fluoro-2-(methoxy(methyl)carbamoyl)pyrrolidine
2-Bromoacetyl bromide
1-tert-butyl 2-methyl (2S,4S)-4-fluoropyrrolidine-1,2-dicarboxylate
(2S,4S)-1-(tert-butoxycarbonyl)-4-fluoropyrrolidine-2-carboxylic acid