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Dimethylformamide → 2,6-dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide

HRID 1042933
Notes
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Reaction equation

HRID 1042933 reaction equation
[Cl:1][C:2]1[CH:24]=[CH:23][CH:22]=[C:21]([Cl:25])[C:3]=1[C:4]([NH:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][NH:17][C:16](=[O:20])[CH:15]=2)=[CH:10][CH:9]=1)=[O:5].[Cl:26][CH2:27]OC(Cl)=O.CN(C=O)C>C(OCC)(=O)C>[Cl:1][C:2]1[CH:24]=[CH:23][CH:22]=[C:21]([Cl:25])[C:3]=1[C:4]([NH:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][N:17]([CH2:27][Cl:26])[C:16](=[O:20])[CH:15]=2)=[CH:10][CH:9]=1)=[O:5]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 6228DimethylformamideHCID 62754Chloromethyl chloroformateHCID 711499232,6-dichloro-N-[4-(2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide

Product 1

HCID 866754212,6-dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Procedure

2,6-Dichloro-N-[4-(2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide (1.62 g, 4.34 mmol) was suspended in 15 mL dichloromethone. Chloromethylchloroformate (0.672 g, 5.21 mmol) was added followed by 3 mL DMF. The mixture was stirred at room temperature for five hours. After diluting with 200 mL ethyl acetate, the organic phase was washed with saturated, aqueous sodium bicarbonate solution and brine, dried with magnesium sulfate and evaporated under vacuum. The crude 2,6-dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide was used in the following step without further purification.

Workup

  1. washthe organic phase was washed with saturated, aqueous sodium bicarbonate solution and brine
  2. dry with materialdried with magnesium sulfate
  3. customevaporated under vacuum
  4. customThe crude 2,6-dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide was used in the following step without further purification

Sources & evidence

ORD record
ord-87a1733c1d9b406b9b84747d094b74e4
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08558001B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes