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Dimethylformamide → HCID 86673046, compound

HRID 1853279
Notes
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Reaction equation

HRID 1853279 reaction equation
[C:1]([O:5][N:6]=[C:7]1[C:16]2[C:11](=[CH:12][CH:13]=[C:14](Br)[CH:15]=2)[O:10][C:9]([C:18]2[N:19]=[CH:20][C:21]3[C:26]([CH:27]=2)=[CH:25][CH:24]=[CH:23][CH:22]=3)=[CH:8]1)([CH3:4])([CH3:3])[CH3:2].[CH3:28][N:29](C)C=O>C(OCC)(=O)C.[C-]#N.[Zn+2].[C-]#N.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][N:6]=[C:7]1[C:16]2[C:11](=[CH:12][CH:13]=[C:14]([C:28]#[N:29])[CH:15]=2)[O:10][C:9]([C:18]2[N:19]=[CH:20][C:21]3[C:26]([CH:27]=2)=[CH:25][CH:24]=[CH:23][CH:22]=3)=[CH:8]1)([CH3:4])([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 6228DimethylformamideHCID 86673027HCID 86673027, compound

Product 1

HCID 86673046HCID 86673046, compoundYield 76%

Reagents, catalysts & solvents 3

HCID 11186Zinc cyanide (Zn(CN)2)CatalystHCID 178418397HCID 178418397, compoundCatalyst
HCID 8857
Ethyl Acetate
Solvent

Conditions

Temperature
120 °C

Procedure

In a microwave vial was degassed with argon for 15 min. a mixture of 6-bromo-2-isoquinolin-3-yl-chromen-4-one O-tert-butyl oxime (50 mg, 0.118 mmol), zinc cyanide (14 mg, 0.118 mmol) in dimethylformamide (1.5 ml). Tetrakis(triphenylphosphine)palladium (4 ma, 0.003 mmol) was added and the vial was sealed and heated at 120° C. under microwave irradiation for 10 min. The mixture was diluted with ethyl acetate, washed with a 5% aqueous solution of ammonia, brine and dried over sodium sulfate. The solution was concentrated and purified by flash chromatography over silica gel (cyclohexane/ethyl acetate: 0-20%) to yield 6-cyano-2-isoquinolin-3-yl-chromen-4-one O-tert-butyl oxime (33 mg, 76%).

Workup

  1. customIn a microwave vial was degassed with argon for 15 min.
  2. customthe vial was sealed
  3. washwashed with a 5% aqueous solution of ammonia, brine
  4. dry with materialdried over sodium sulfate
  5. concentrationThe solution was concentrated
  6. custompurified by flash chromatography over silica gel (cyclohexane/ethyl acetate: 0-20%)

Sources & evidence

ORD record
ord-60a6892bb4b940898801b2df5637c025
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08962627B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes