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Dichloromethane → N-[6-Chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-hydroxy-phenyl)-N-methyl-isobutyramide

HRID 547757
Notes
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Reaction equation

HRID 547757 reaction equation
[Cl:1][C:2]1[N:7]=[CH:6][C:5]([N:8]([CH3:23])[C:9](=[O:22])[C:10]([C:13]2[CH:18]=[C:17]([O:19]C)[CH:16]=[C:15]([Cl:21])[CH:14]=2)([CH3:12])[CH3:11])=[C:4]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[Cl:30])[CH:3]=1.C(Cl)Cl>O>[Cl:1][C:2]1[N:7]=[CH:6][C:5]([N:8]([CH3:23])[C:9](=[O:22])[C:10]([C:13]2[CH:18]=[C:17]([OH:19])[CH:16]=[C:15]([Cl:21])[CH:14]=2)([CH3:11])[CH3:12])=[C:4]([C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=2[Cl:30])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6344DichloromethaneHCID 86597669N-[6-chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-methoxy-phenyl)-N-methyl-isobutyramide

Product 1

HCID 86597668N-[6-Chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-hydroxy-phenyl)-N-methyl-isobutyramideYield 65.7%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

To a solution of 1.10 g (2.37 mmol) N-[6-chloro-4-(2-chloro-phenyl)-pyridin-3-yl]-2-(3-chloro-5-methoxy-phenyl)-N-methyl-isobutyramide in 20 ml CH2Cl2 4.74 ml (4.74 mmol) BBr3 (1 M in CH2Cl2) was added at 0° C. The reaction mixture was allowed to reach ambient temperature and stirred for 6 h After addition of 50 ml water the mixture was extracted three times with 60 ml CH2Cl2. The combined organic solvents were dried (Na2SO4), filtered and evaporated. The residue was purified by flash-chromatography (SiO2, CH2Cl2/ethyl acetate 4:1) to give 0.70 g (65%) of the title compound as a white foam.

Workup

  1. customto reach ambient temperature
  2. extractionwas extracted three times with 60 ml CH2Cl2
  3. dry with materialThe combined organic solvents were dried (Na2SO4)
  4. filtrationfiltered
  5. customevaporated
  6. customThe residue was purified by flash-chromatography (SiO2, CH2Cl2/ethyl acetate 4:1)

Sources & evidence

ORD record
ord-88ef9bbc68914c32bf90210bc7fa9bb9
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07939533B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes