Dimethyl Sulfoxide → HCID 59398243, compound

HRID 39900Notes

Reaction equation

HRID 39900 reaction equation
ClCCl.C(Cl)(=O)C(Cl)=O.CS(C)=O.[Cl:14][C:15]1[C:24]2[C:19](=[CH:20][C:21]([C:25]([F:28])([F:27])[F:26])=[CH:22][CH:23]=2)[N:18]([CH2:29][CH2:30][OH:31])[C:17](=[O:32])[CH:16]=1>O.C(N(CC)CC)C>[Cl:14][C:15]1[C:24]2[C:19](=[CH:20][C:21]([C:25]([F:28])([F:27])[F:26])=[CH:22][CH:23]=2)[N:18]([CH2:29][CH:30]=[O:31])[C:17](=[O:32])[CH:16]=1

Participants

7

Reactant 4

HCID 679Dimethyl SulfoxideHCID 6344Dichloromethane2×HCID 65578Oxalyl chlorideHCID 59398292HCID 59398292, compound

Product 1

HCID 59398243HCID 59398243, compound

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8471TriethylamineSolvent

Procedure

To 2 mL of a dichloromethane solution containing 10 μL of oxalyl chloride, 20 μL of dimethylsulfoxide was added dropwise under nitrogen atmosphere at −60° C., and stirred for 10 min. 3 mL of a dichloromethane solution containing 31 mg of 4-chloro-1-(2-hydroxyethyl)-7-trifluoromethylquinolin-2(1H)-one was added dropwise at the same temperature, and stirred for 10 min. 60 μL of triethylamine was added at the same temperature, the mixture was stirred for 1 hour while slowly raising the reaction mixture to room temperature, and water was added. The organic layer was separated, and the aqueous layer was extracted with chloroform. The organic layer and extracts were combined, dried over anhydrous magnesium sulfate, and the solvent was removed under reduced pressure to give (4-chloro-7-trifluoromethyl-2-oxoquinolin-1(2H)-yl)acetaldehyde as a brown oil.

Workup

  1. additionwas added dropwise under nitrogen atmosphere at −60° C.
  2. additionwas added dropwise at the same temperature
  3. stirringstirred for 10 min
  4. stirringthe mixture was stirred for 1 hour
  5. customThe organic layer was separated
  6. extractionthe aqueous layer was extracted with chloroform
  7. dry with materialdried over anhydrous magnesium sulfate
  8. customthe solvent was removed under reduced pressure

Sources & evidence

ORD record
ord-37d858e84d1a4d5da72e2407f57b8e7c
Source dataset
uspto-grants-2013_09
Patent number
US08524738B2

Reaction notes

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