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2-Chloro-5-nitropyridine → HCID 2848745, compound

HRID 1510263
Notes
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Reaction equation

HRID 1510263 reaction equation
Cl[C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][N:3]=1.[N:11]1([C:17]2[N:22]=[CH:21][CH:20]=[CH:19][N:18]=2)[CH2:16][CH2:15][NH:14][CH2:13][CH2:12]1.C(N(C(C)C)CC)(C)C>CN(C=O)C>[N+:8]([C:5]1[CH:6]=[CH:7][C:2]([N:14]2[CH2:15][CH2:16][N:11]([C:17]3[N:18]=[CH:19][CH:20]=[CH:21][N:22]=3)[CH2:12][CH2:13]2)=[N:3][CH:4]=1)([O-:10])=[O:9]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 783082-Chloro-5-nitropyridineHCID 81531DiisopropylethylamineHCID 887471-(2-Pyrimidinyl)piperazine

Product 1

HCID 2848745HCID 2848745, compound

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
80 °C

Procedure

To a mixture of 2-chloro-5-nitropyridine (500 mg, 3.2 mmol) and 2-piperazin-1-yl-pyrimidine (520 mg, 3.2 mmol) in DMF (15 mL) was added diisopropylethylamine (2.70 mL, 15.5 mmol). The mixture was heated in a sealed tube at 80° C. for 24 hours. The mixture was concentrated to dryness and triturated in methanol to give 2-[4-(5-nitro-pyridin-2-yl)-piperazin-1-yl]-pyrimidine. The NMR spectrum on this sample is compatible with its structure.

Workup

  1. concentrationThe mixture was concentrated to dryness
  2. customtriturated in methanol

Sources & evidence

ORD record
ord-7e7faeed45994b7f93f020dd8234e58e
Source dataset
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08211914B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes