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Diisopropylethylamine → 1,1-Dimethylethyl 2-{[6-(2,4-dichlorophenyl)-5-nitropyrazin-2-yl]amino}ethylcarbamate

HRID 396166
Notes
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Reaction equation

HRID 396166 reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[C:10]([N+:16]([O-:18])=[O:17])=[N:11][CH:12]=[C:13](Br)[N:14]=1.[C:19]([NH:26][CH2:27][CH2:28][NH2:29])([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20].CCN(C(C)C)C(C)C>CN(C=O)C.C(OCC)(=O)C.O>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[C:9]1[N:14]=[C:13]([NH:29][CH2:28][CH2:27][NH:26][C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH:12]=[N:11][C:10]=1[N+:16]([O-:18])=[O:17]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 81531DiisopropylethylamineHCID 187201N-BOC-ethylenediamineHCID 223185103-(2,4-Dichlorophenyl)-5-bromo-2-nitropyrazine

Product 1

HCID 120860201,1-Dimethylethyl 2-{[6-(2,4-dichlorophenyl)-5-nitropyrazin-2-yl]amino}ethylcarbamate

Reagents, catalysts & solvents 3

HCID 962WaterSolvent
HCID 6228
Dimethylformamide
Solvent
HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
80 °C

Procedure

To a solution of 3-(2,4-dichlorophenyl)-5-bromo-2-nitropyrazine (1.4 g, 4.0 mmol) in DMF (10 ml) were added Boc-ethylenediamine (960 mg, 6.0 mmol) and DIPEA (1.5 ml). The solution was stirred overnight at 80° C. The solution was cooled to room temperature, taken in ethyl acetate and water. The layers were separated and the organic layer was washed with water and brine, dried, concentrated and purified to afford the title product.

Workup

  1. temperatureThe solution was cooled to room temperature
  2. customThe layers were separated
  3. washthe organic layer was washed with water and brine
  4. customdried
  5. concentrationconcentrated
  6. custompurified

Sources & evidence

ORD record
ord-b61889c5d39c48bdb21ed41d49f74ecf
Source dataset
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06608063B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes