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

HRID 1840558
Notes
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Reaction equation

HRID 1840558 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-c11bde2fa6a24776b9070b5ed1edfd60
Source dataset
uspto-grants-2004_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06680312B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes