Hydrochloric Acid → 1-[(1-Benzylpiperidin-3-yl)methyl]piperazin-2-one dihydrochloride

HRID 603179Notes

Reaction equation

HRID 603179 reaction equation
[CH2:1]([N:8]1[CH2:13][CH2:12][CH2:11][CH:10]([CH2:14][N:15]2[CH2:20][CH2:19][N:18](C(OC(C)(C)C)=O)[CH2:17][C:16]2=[O:28])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[ClH:29]>ClCCl.O1CCOCC1>[ClH:29].[ClH:29].[CH2:1]([N:8]1[CH2:13][CH2:12][CH2:11][CH:10]([CH2:14][N:15]2[CH2:20][CH2:19][NH:18][CH2:17][C:16]2=[O:28])[CH2:9]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

5

Reactant 2

HCID 313Hydrochloric AcidHCID 57656824Tert-butyl 4-[(1-benzylpiperidin-3-yl)methyl]-3-oxopiperazine-1-carboxylate

Product 1

HCID 672206771-[(1-Benzylpiperidin-3-yl)methyl]piperazin-2-one dihydrochlorideYield 100%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 312751,4-DioxaneSolvent

Procedure

To a solution of tert-butyl 4-[(1-benzylpiperidin-3-yl)methyl]-3-oxopiperazine-1-carboxylate (95 mg) in dichloromethane (1 mL) was added 4M hydrochloric acid in dioxane (1 mL). The mixture was stirred at room temperature for 15 minutes and then evaporated to give the title compound as a sticky white solid (89 mg, 100%).

Workup

  1. customevaporated

Sources & evidence

ORD record
ord-0e2b7747ec7a4b0f88a1e5c05f460ca3
Source dataset
uspto-grants-2011_03
Patent number
US07906645B2

Reaction notes

Loading…