Amino Acid Derivatives

2-(6-tert-butoxycarbonyl-1-oxo-2,6-diazaspiro[4.5]decan-2-yl)-3-cyclopropyl-propanoic acid

tert-butyl (2R)-1-[3-chloro-5-(trifluoromethyl)phenyl]-5-hydroxy-pyrrolidine-2-carboxylate

tert-butyl 3-[[(1-isopropyl-2-oxo-pyrrolidin-3-yl)amino]methyl]-8-azabicyclo[3.2.1]octane-8-carboxylate

tert-butyl 3-[[2-(methylcarbamoyl)-1-piperidyl]methyl]-8-azabicyclo[3.2.1]octane-8-carboxylate

ethyl (2S)-2-(benzyloxycarbonylamino)-2-(2-methyleneindan-1-yl)acetate

cis-1-(9H-fluoren-9-ylmethoxycarbonyl)-5-methyl-piperidine-2-carboxylic acid

1-(9H-fluoren-9-ylmethoxycarbonyl)-5-methyl-piperidine-2-carboxylic acid

(2R,5R)-1-(9H-fluoren-9-ylmethoxycarbonyl)-5-methyl-piperidine-2-carboxylic acid

methyl (2S)-2-(tert-butoxycarbonylamino)-3-(3,5-dichloro-4-hydroxy-phenyl)propanoate

tert-butyl (2R)-1-[3-chloro-5-(trifluoromethyl)phenyl]-5-oxo-pyrrolidine-2-carboxylate

(3S)-2-(9H-fluoren-9-ylmethoxycarbonyl)-2-azaspiro[3.3]heptane-3-carboxylic acid

2-(9H-fluoren-9-ylmethoxycarbonyl)-2-azaspiro[3.3]heptane-3-carboxylic acid

5-(9H-fluoren-9-ylmethoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid

(2R)-2-(1-bicyclo[1.1.1]pentanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)acetic acid

(6S)-5-(9H-fluoren-9-ylmethoxycarbonyl)-5-azaspiro[2.4]heptane-6-carboxylic acid

2-(1-bicyclo[1.1.1]pentanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)acetic acid