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Hydrochloric Acid → Piperidin-4-yl 2-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate trihydrochloride

HRID 1487774
Notes
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Reaction equation

HRID 1487774 reaction equation
[ClH:1].O1CCOCC1.[N:8]1[CH:13]=[CH:12][CH:11]=[C:10]([O:14][CH2:15][CH:16]2[CH2:21][N:20](C(OC(C)(C)C)=O)[CH2:19][CH2:18][N:17]2[C:29]([O:31][CH:32]2[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]2)=[O:30])[CH:9]=1>CO>[ClH:1].[ClH:1].[ClH:1].[N:8]1[CH:13]=[CH:12][CH:11]=[C:10]([O:14][CH2:15][CH:16]2[CH2:21][NH:20][CH2:19][CH2:18][N:17]2[C:29]([O:31][CH:32]2[CH2:37][CH2:36][NH:35][CH2:34][CH2:33]2)=[O:30])[CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 596715074-Tert-butyl 1-piperidin-4-yl 2-((pyridin-3-yloxy)methyl)piperazine-1,4-dicarboxylate

Product 1

HCID 66797306Piperidin-4-yl 2-((pyridin-3-yloxy)methyl)piperazine-1-carboxylate trihydrochlorideYield 99%

Reagents, catalysts & solvents 1

HCID 887
Methanol
Solvent

Procedure

4 M HCl in 1,4-dioxane (6 mL, 24 mmol) was added to a solution of 4-tert-butyl 1-piperidin-4-yl 2-((pyridin-3-yloxy)methyl)piperazine-1,4-dicarboxylate (101.5 mg, 0.241 mmol) in MeOH (1 mL). After 16 h, the reaction mixture was concentrated under reduced pressure, yielding 103.3 mg (99%) of the desired product. LC-MS: RT=1.26 min, [M+H]+=321.2.

Workup

  1. concentrationthe reaction mixture was concentrated under reduced pressure

Sources & evidence

ORD record
ord-63b47faad4e84673a19c88a69d9c60bc
Source dataset
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09428522B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes