Potassium Carbonate → HCID 66970084, compound

HRID 447846Notes

Reaction equation

HRID 447846 reaction equation
[C:1]([CH:3]([CH:7]1[C:11]([Cl:12])=[C:10](Cl)C(=O)O1)[C:4]([NH2:6])=[O:5])#[N:2].Cl.[NH2:16][CH2:17][C:18]1[CH:23]=[C:22]([Cl:24])[CH:21]=[CH:20][C:19]=1[S:25]([NH:28][CH3:29])(=[O:27])=[O:26].C(=O)([O-])[O-].[K+].[K+]>C(O)C>[ClH:12].[Cl:12][C:11]1[CH:7]=[C:3]([C:4]([NH2:6])=[O:5])[C:1](=[NH:2])[N:16]([CH2:17][C:18]2[CH:23]=[C:22]([Cl:24])[CH:21]=[CH:20][C:19]=2[S:25](=[O:27])(=[O:26])[NH:28][CH3:29])[CH:10]=1

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 5417922-Cyano-2-(3,4-dichloro-5(2H)-oxo-2-furyl)acetamideHCID 66877918HCID 66877918, compound

Product 1

HCID 66970084HCID 66970084, compoundYield 2.2%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

(Step 2) 2-Cyano-2-(3,4-dichloro-5-oxo-2,5-dihydrofuran-2-yl)acetamide (0.50 g), 2-(aminomethyl)-4-chloro-N-methylbenzenesulfonamide hydrochloride obtained in Step 1 (0.81 g) and potassium carbonate (0.88 g) were stirred in ethanol (10 ml) overnight at 70° C. The reaction solution was filtered through celite. The solvent was evaporated under reduced pressure. The residue was purified by basic silica gel column chromatography (ethyl acetate:hexane=7:3->1:0). 4N Hydrochloride-ethyl acetate solution (1 ml) was added to the obtained yellow oil, and the precipitated crystals were collected by filtration, and recrystallized to give the title compound (10 mg).

Workup

  1. filtrationThe reaction solution was filtered through celite
  2. customThe solvent was evaporated under reduced pressure
  3. customThe residue was purified by basic silica gel column chromatography (ethyl acetate:hexane=7:3->1:0)
  4. addition4N Hydrochloride-ethyl acetate solution (1 ml) was added to the obtained yellow oil
  5. filtrationthe precipitated crystals were collected by filtration
  6. customrecrystallized

Sources & evidence

ORD record
ord-2810448ccedb4ec89250d1d7dec79eb9
Source dataset
uspto-grants-2013_07
Patent number
US08481569B2

Reaction notes

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