Boc-Protected Building Blocks

1-(tert-Butyl) 2-ethyl (2R,3S)-3-hydroxypiperidine-1,2-dicarboxylate

1-((tert-butoxy)carbonyl)-4-(((9H-fluoren-9-yl)methoxy)carbonyl)piperazine-2-carboxylic acid

tert-Butyl 5-fluoro-2,7-diazaspiro[3.5]nonane-7-carboxylate hydrochloride

Fmoc-lys(boc-cys(trt))-OH

Tert-butyl 2,6-diazaspiro[3.4]octane-6-carboxylate

tert-Butyl N-[(3R,5R)-5-hydroxy-3-piperidyl]carbamate

trans-3-(Boc-amino)-4-(trifluormethyl)piperidine

tert-Butyl 5-(difluoromethyl)-2,7-diazaspiro[3.5]nonane-2-carboxylate

tert-butyl (4S)-4-amino-3,3-dimethylpyrrolidine-1-carboxylate

tert-butyl N-(6-oxopiperidin-3-yl)carbamate

Tert-butyl 4-(imino(methyl)oxo-lambda6-sulfanyl)piperidine-1-carboxylate

trans-1-Boc-3-methylpiperidine-4-carboxylic acid

Tert-butyl 3-(methanesulfonyloxy)pyrrolidine-1-carboxylate

(3S,4R)-tert-Butyl 4-amino-3-methoxypiperidine-1-carboxylate

Tert-butyl 4-fluoro-3-oxopiperidine-1-carboxylate

Tert-butyl 2-methyl-5-oxopiperidine-1-carboxylate

(s)-2-(Boc-amino)-3-(3-hydroxyphenyl)propionic acid methyl ester

Tert-butyl 6-hydroxy-3,4-dihydro-2,7-naphthyridine-2(1H)-carboxylate

t-Butyl (4S)-4-(methoxymethyl)-2,2-dioxo-oxathiazolidine-3-carboxylate

Tert-butyl 3-amino-4-(trifluoromethyl)pyrrolidine-1-carboxylate