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Hydrochloric Acid → 4-[4-(1H-imidazol-1-ylmethyl)benzenesulfonyl]-1-(piperidin-4-ylmethyl)-2-piperazinone Dihydrochloride

HRID 2186146
Notes
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Reaction equation

HRID 2186146 reaction equation
[N:1]1([CH2:6][C:7]2[CH:12]=[CH:11][C:10]([S:13]([N:16]3[CH2:21][CH2:20][N:19]([CH2:22][CH:23]4[CH2:28][CH2:27][N:26](C(OC(C)(C)C)=O)[CH2:25][CH2:24]4)[C:18](=[O:36])[CH2:17]3)(=[O:15])=[O:14])=[CH:9][CH:8]=2)[CH:5]=[CH:4][N:3]=[CH:2]1.[ClH:37]>C(OCC)(=O)C.CO>[ClH:37].[ClH:37].[N:1]1([CH2:6][C:7]2[CH:8]=[CH:9][C:10]([S:13]([N:16]3[CH2:21][CH2:20][N:19]([CH2:22][CH:23]4[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]4)[C:18](=[O:36])[CH2:17]3)(=[O:14])=[O:15])=[CH:11][CH:12]=2)[CH:5]=[CH:4][N:3]=[CH:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 313Hydrochloric AcidHCID 234473054-[4-(1H-imidazol-1-ylmethyl)benzenesulfonyl]-1-[1-(tert-butoxycarbonyl)piperidin-4-ylmethyl]-2-piperazinone

Product 1

HCID 234474334-[4-(1H-imidazol-1-ylmethyl)benzenesulfonyl]-1-(piperidin-4-ylmethyl)-2-piperazinone Dihydrochloride

Reagents, catalysts & solvents 2

HCID 887MethanolSolvent
HCID 8857
Ethyl Acetate
Solvent

Procedure

To 4-[4-(1H-imidazol-1-ylmethyl)benzenesulfonyl]-1-[1-(tert-butoxycarbonyl)piperidin-4-ylmethyl]-2-piperazinone (420 mg) was added 4N hydrochloric acid in ethyl acetate (15 ml) and methanol (4 ml), and the mixture was stirred at room temperature for 30 minutes. The reaction solution was concentrated to give amorphous of the title compound (442 mg).

Workup

  1. concentrationThe reaction solution was concentrated

Sources & evidence

ORD record
ord-6fcbf878d54d48438bdecb114fe899f2
Source dataset
uspto-grants-2002_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06403595B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes