1-sulfanylpentan-3-one

1-sulfanylpropan-2-ol

1-tert-butyl 1'-ethyl 4'-(aminomethyl)-3'-oxaspiro[azetidine-3,2'-bicyclo[2.1.1]hexane]-1,1'-dicarboxylate

1-tert-butyl 1'-ethyl 4'-(azidomethyl)-3'-oxaspiro[azetidine-3,2'-bicyclo[2.1.1]hexane]-1,1'-dicarboxylate

1-tert-butyl 1'-ethyl 4'-(iodomethyl)-3'-oxaspiro[azetidine-3,2'-bicyclo[2.1.1]hexane]-1,1'-dicarboxylate

1-tert-butyl 1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl (2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanedioate

1-tert-butyl 1-ethyl cyclopropane-1,1-dicarboxylate

1-tert-butyl 2,2-dimethyl azetidine-1,2,2-tricarboxylate

1-tert-butyl 2,5-dimethyl 1H-pyrrole-1,2,5-tricarboxylate

1-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) (2R)-azetidine-1,2-dicarboxylate

1-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) 2-methylpyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) azetidine-1,2-dicarboxylate

1-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) piperidine-1,2-dicarboxylate

1-tert-butyl 2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl) pyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-chloromethyl (2S,4R)-4-(difluoromethoxy)pyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl (2R)-2,3-dihydro-1H-pyrrole-1,2-dicarboxylate

1-tert-butyl 2-ethyl (2R)-5-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 2-methyl-2,5-dihydro-1H-pyrrole-1,2-dicarboxylate

1-tert-butyl 2-ethyl 3-aminopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 3-oxo-1-azaspiro[3.3]heptane-1,2-dicarboxylate

1-tert-butyl 2-ethyl 3-oxoazetidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 3-oxopiperidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 3-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,3,6-tetrahydropyridine-1,2-dicarboxylate

1-tert-butyl 2-ethyl 5-formyl-1H-pyrrole-1,2-dicarboxylate

1-tert-butyl 2-ethyl 5-hydroxy-1H-indole-1,2-dicarboxylate

1-tert-butyl 2-ethyl piperidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-1,2,3,4-tetrahydropyridine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-2-(hydroxymethyl)pyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-2-formylpyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,5-dihydro-1H-pyrrole-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-4-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-5-(trifluoroacetyl)-1,2,3,4-tetrahydropyridine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-5-bromo-1,2,3,4-tetrahydropyridine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-5-formyl-1,2,3,4-tetrahydropyridine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-5-oxopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R)-pyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R,4R)-4-aminopyrrolidine-1,2-dicarboxylate hydrochloride

1-tert-butyl 2-methyl (2R,4R)-4-azidopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R,4S)-4-(difluoromethoxy)pyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R,4S)-4-aminopyrrolidine-1,2-dicarboxylate hydrochloride

1-tert-butyl 2-methyl (2R,4S)-4-azidopyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2R,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate