Piperidines

tert-butyl 1-acetyl-6-ethylpiperidine-2-carboxylate

tert-butyl 3-isopropyl-5-methyl-4-oxo-piperidine-1-carboxylate

tert-butyl 4-tert-butyl-3-oxopiperidine-1-carboxylate

methyl 2-methyl-4-(3-propoxypiperidin-1-yl)but-2-enoate

ethyl 4-hydroxy-3,4-dimethyl-5-(piperidin-1-yl)pent-2-enoate

methyl 2-ethyl-4-[3-(2-hydroxyethyl)piperidin-1-yl]but-2-enoate

tert-butyl 6-methyl-1-propanoylpiperidine-2-carboxylate

methyl 2-{1-[1-(tert-butoxy)ethenyl]piperidin-3-yl}acetate

tert-butyl 2,4-dioxo-5-propylpiperidine-1-carboxylate

1-tert-butyl 2-methyl (2S)-5-methylidenepiperidine-1,2-dicarboxylate

O1-tert-butyl O2-methyl (2R)-5-methylenepiperidine-1,2-dicarboxylate

tert-butyl 3-oxo-4-(3-oxopropyl)piperidine-1-carboxylate

O1-tert-butyl O4-ethyl 3,6-dihydro-2H-pyridine-1,4-dicarboxylate

1-tert-butyl 4-methyl 4-methyl-1,2,3,4-tetrahydropyridine-1,4-dicarboxylate

tert-butyl 4-oxo-3-propanoylpiperidine-1-carboxylate

1,4-dimethyl (2Z)-2-methyl-3-[(piperidin-1-yl)methyl]but-2-enedioate