Dimethylacetamide → HCID 67110145, compound

HRID 706250Notes

Reaction equation

HRID 706250 reaction equation
[CH2:1]([O:5][C:6]([C:8]1[N:9]=[C:10](Cl)[C:11]2[C:16]([C:17]=1[OH:18])=[CH:15][C:14]([O:19][C:20]1[CH:29]=[CH:28][C:23]3[N:24]=[C:25]([CH3:27])[O:26][C:22]=3[CH:21]=1)=[CH:13][CH:12]=2)=[O:7])[CH2:2][CH2:3][CH3:4].C[C:32]([N:34](C)C)=O>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].[C-]#N.[Zn+2].[C-]#N.[Zn]>[CH2:1]([O:5][C:6]([C:8]1[N:9]=[C:10]([C:32]#[N:34])[C:11]2[C:16]([C:17]=1[OH:18])=[CH:15][C:14]([O:19][C:20]1[CH:29]=[CH:28][C:23]3[N:24]=[C:25]([CH3:27])[O:26][C:22]=3[CH:21]=1)=[CH:13][CH:12]=2)=[O:7])[CH2:2][CH2:3][CH3:4]

Participants

7

Reactant 2

HCID 31374DimethylacetamideHCID 86617087HCID 86617087, compound

Product 1

HCID 67110145HCID 67110145, compound

Reagents, catalysts & solvents 4

HCID 11186Zinc cyanide (Zn(CN)2)CatalystHCID 23994ZincCatalystHCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)CatalystHCID 9811564Bis(dibenzylideneacetone)palladiumCatalyst

Conditions

Temperature
120 °C

Procedure

A mixture of 1-chloro-4-hydroxy-6-(2-methyl-benzooxazol-6-yloxy)-isoquinoline-3-carboxylic acid butyl ester (199 mg, 0.47 mmol), tris(dibenzylideneacetone)dipalladium(0) (21 mg, 0.02 mmol), 1,1′-bis(diphenylphosphino)ferrocene (26 mg, 0.04 mmol), zinc cyanide (33 mg, 0.28 mmol), zinc (4 mg, 0.06 mmol) and dimethylacetamide (1.1 mL) was stirred at 120° C. for two hours before it was cooled to room temperature, partitioned between ethyl acetate and water, filtered. The filtrate was washed with water and brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by flash column chromatography on silica gel with a gradient of ethyl acetate and dichloromethane to give the title compound as a white solid (80 mg): MS: (+) m/z 418.38 (M+1).

Workup

  1. temperaturewas cooled to room temperature
  2. custompartitioned between ethyl acetate and water
  3. filtrationfiltered
  4. washThe filtrate was washed with water and brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by flash column chromatography on silica gel with a gradient of ethyl acetate and dichloromethane

Sources & evidence

ORD record
ord-ba397f014e6747daa360c1e9877d496e
Source dataset
uspto-grants-2015_11
Patent number
US09174976B2

Reaction notes

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