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

HRID 2371137Notes

Reaction equation

HRID 2371137 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-1797e5c91a6048c6a2b3956e8815c716
Source dataset
uspto-grants-2014_04
Patent number
US08710224B2

Reaction notes

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