tert-butyl 4-(5-oxopiperazin-2-yl)piperidine-1-carboxylate

1-Boc-4-p-hydroxyphenylpiperidine 4-(3-Bromo-phenyl)-piperazine-1-carboxylic acid tert-butyl ester tert-Butyl 3-oxopentanoate 1-Boc-4-(3-aminophenoxy)piperidine 4-(4-Bromo-phenyl)-piperazine-1-carboxylic acid tert-butyl ester

tert-butyl 4-(1,2-dihydroxyethyl)piperidine-1-carboxylate tert-butyl 3-thioxopiperazine-1-carboxylate Tert-butyl 4-(2,6-dichloropyriMidin-4-yl)piperidine-1-carboxylate tert-butyl 4-(1-ethynylcyclobutyl)piperazine-1-carboxylate tert-butyl 4-({2-oxabicyclo[2.1.1]hexan-1-yl}methyl)piperazine-1-carboxylate

1-Boc-4-(4-ethynyl-1-pyrazolyl)piperidine tert-butyl 4-(2-amino-1,3-oxazol-4-yl)piperidine-1-carboxylate tert-butyl 4-(2-aminoethyl)-3,3-difluoropiperidine-1-carboxylate tert-butyl 4-(5-formylthiazol-2-yl)piperidine-1-carboxylate 4-(4-Ethynylbenzenesulfonyl)-piperazine-1-carboxylic acid tert-butyl ester