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Hydrochloric Acid → (2-{4-[3-Fluoro-6-(methyloxy)-1,5-naphthyridin-4-yl]-1-piperazinyl}ethyl)amine

HRID 1787688
Notes
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Reaction equation

HRID 1787688 reaction equation
[F:1][C:2]1[CH:3]=[N:4][C:5]2[C:10]([C:11]=1[N:12]1[CH2:17][CH2:16][N:15]([CH2:18][CH2:19][NH:20]C(=O)OC(C)(C)C)[CH2:14][CH2:13]1)=[N:9][C:8]([O:28][CH3:29])=[CH:7][CH:6]=2.Cl.O1CCOCC1>CO>[F:1][C:2]1[CH:3]=[N:4][C:5]2[C:10]([C:11]=1[N:12]1[CH2:17][CH2:16][N:15]([CH2:18][CH2:19][NH2:20])[CH2:14][CH2:13]1)=[N:9][C:8]([O:28][CH3:29])=[CH:7][CH:6]=2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 575995761,1-Dimethylethyl (2-{4-[3-fluoro-6-(methyloxy)-1,5-naphthyridin-4-yl]-1-piperazinyl}ethyl)carbamate

Product 1

HCID 57599574(2-{4-[3-Fluoro-6-(methyloxy)-1,5-naphthyridin-4-yl]-1-piperazinyl}ethyl)amine

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

To a solution of 1,1-dimethylethyl (2-{4-[3-fluoro-6-(methyloxy)-1,5-naphthyridin-4-yl]-1-piperazinyl}ethyl)carbamate (725 mg, 1.79 mmol) in MeOH (9 mL) at 25° C. was added dropwise a 4M solution of HCl in dioxane (3.1 mL, 12.53 mmol). After 12 h, the solution was concentrated the residue neutralized using excess MP carbonate resin in DCM affording the free amine which was used without further purification: LCMS (ES) m/e 306 (M+H)+.

Workup

  1. concentrationthe solution was concentrated the residue neutralized using excess MP carbonate resin in DCM affording the free amine which
  2. customwas used without further purification

Sources & evidence

ORD record
ord-01c9682837ea4c8d9fe7904aabe24c3b
Source dataset
uspto-grants-2009_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07511035B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes