1-tert-Butyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate → Ethyl 4-methylpiperidine-4-carboxylate

HRID 1785860Notes

Reaction equation

HRID 1785860 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>Cl.O1CCOCC1>[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]1

Participants

4

Reactant 1

HCID 162182761-tert-Butyl 4-ethyl 4-methylpiperidine-1,4-dicarboxylate

Product 1

HCID 19361805Ethyl 4-methylpiperidine-4-carboxylate

Reagents, catalysts & solvents 2

HCID 313Hydrochloric AcidSolventHCID 312751,4-DioxaneSolvent

Procedure

A solution of Example 532B (2.1 g, 8.0 mmol) in 4M HCl in dioxane (10 mL) at room temperature was stirred for 3 hours and concentrated to provide the desired product. MS (DCI) mne 171 (M+H)+.

Workup

  1. concentrationconcentrated

Sources & evidence

ORD record
ord-c9a185424ee24b58b45040fed79c6a82
Source dataset
uspto-grants-2009_03
Patent number
US07504512B2

Reaction notes

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