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Acetamide → N-(6-chloro-4-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-yl)acetamide

HRID 2089007
Notes
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Reaction equation

HRID 2089007 reaction equation
Cl[C:2]1[CH:7]=[C:6]([C:8]2[C:16]3[C:11](=[N:12][CH:13]=[CH:14][CH:15]=3)[N:10]([S:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=3)(=[O:19])=[O:18])[CH:9]=2)[CH:5]=[C:4]([Cl:26])[N:3]=1.[C:27]([NH2:30])(=[O:29])[CH3:28].C(=O)([O-])[O-].[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[Cl:26][C:4]1[N:3]=[C:2]([NH:30][C:27](=[O:29])[CH3:28])[CH:7]=[C:6]([C:8]2[C:16]3[C:11](=[N:12][CH:13]=[CH:14][CH:15]=3)[N:10]([S:17]([C:20]3[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=3)(=[O:19])=[O:18])[CH:9]=2)[CH:5]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 178AcetamideHCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 866498693-(2,6-dichloropyridin-4-yl)-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine

Product 1

HCID 87192560N-(6-chloro-4-(1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-yl)acetamide
Yield 25.2%

Reagents, catalysts & solvents 1

HCID 167845palladium(II) acetateCatalyst

Conditions

Temperature
85 °C

Procedure

A mixture of Example 7a (1.44 g, 3.57 mmol), acetamide (0.295 g, 4.99 mmol), cesium carbonate (1.743 g, 5.35 mmol), palladium (II) acetate (0.024 g, 0.107 mmol), and Xantphos (0.093 g, 0.161 mmol) was degassed and heated at 85° C. in a sealed vial for 6 hours. The reaction mixture was cooled and concentrated. The residue was treated with 20% brine and extracted with EtOAc (2×). The organic layers were dried, concentrated, and purified on a 40 g column using the ISCO Companion flash system eluting with CH2Cl2/EtOAc (90:10) to give 0.384 g of the title compound.

Workup

  1. temperatureThe reaction mixture was cooled
  2. concentrationconcentrated
  3. additionThe residue was treated with 20% brine
  4. extractionextracted with EtOAc (2×)
  5. customThe organic layers were dried
  6. concentrationconcentrated
  7. custompurified on a 40 g column
  8. washeluting with CH2Cl2/EtOAc (90:10)

Sources & evidence

ORD record
ord-9cf9dd06848645bfa34fc70ecf343d49
Source dataset
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08435980B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes