1-tert-Butyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate → Ethyl 4-methylpiperidine-4-carboxylate hydrochloride
Reaction equation
[CH3:1][C:2]1([C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH2:7][CH2:6][N:5](C(OC(C)(C)C)=O)[CH2:4][CH2:3]1.[ClH:20].O1CCOCC1>O1CCOCC1>[ClH:20].[CH3:1][C:2]1([C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH2:7][CH2:6][NH:5][CH2:4][CH2:3]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
To an ice-cold solution of O1-tert-butyl O4-ethyl 4-methylpiperidine-1,4-dicarboxylate (1 g, 3.68 mmol) in 1,4-dioxane (10 mL) was added HCl-1,4-dioxane (4.0 M, 15 mL) solution. The mixture was stirred at rt for 30 minutes. After completion of reaction (by TLC), solvent was evaporated to obtain brown solid material (0.90 g) that was carried forward to the next step without purification. MS: 172.16 [M+H]+.