Boc-Protected Building Blocks

Tert-butyl 3,8-diazabicyclo[4.2.0]octane-3-carboxylate

2-[(Tert-butoxy)carbonyl]-2-azaspiro[4.5]decane-8-carboxylic acid

3R-(3R,4S,5S)-4-((tert-Butoxycarbonyl)amino)-3-hydroxy-5-methylheptanoic acid

(S)-2-((tert-Butoxycarbonyl)amino)-3-(furan-2-yl)propanoic acid

(2R,4S)-1-(tert-butoxycarbonyl)-4-cyanopyrrolidine-2-carboxylic acid

Tert-butyl 6-oxa-2,9-diazaspiro(4.5)decane-9-carboxylate

(3S)-4-(benzyloxy)-3-{[(tert-butoxy)carbonyl]amino}butanoic acid

1-Boc-4-oxo-1-azaspiro[5.5]undecane

tert-butyl (3R)-3-methyl-5-oxopiperazine-1-carboxylate

1-Tert-butyl 3-methyl 5-methylpiperidine-1,3-dicarboxylate

(S)-N-Boc-2-(2-hydroxyethyl)morpholine

(S)-tert-Butyl (3-oxopyrazolidin-4-yl)carbamate

tert-Butyl 1-amino-7-azaspiro[4.5]decane-7-carboxylate

tert-butyl (2S)-2-methyl-5-oxopiperazine-1-carboxylate

Tert-butyl 3-(1-aminocyclopropyl)azetidine-1-carboxylate

(2R)-2-[[(1,1-Dimethylethoxy)carbonyl]amino]-5-hexenoic acid

Boc-3,4-dehydro-D-proline methyl ester

tert-Butyl (1R)-1-(hydroxymethyl)-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate

tert-Butyl 2,4-dichloro-6,7-dihydropyrido[2,3-d]pyrimidine-8(5H)-carboxylate

Tert-butyl 3-ethyl-4-hydroxypyrrolidine-1-carboxylate