Potassium Carbonate → HCID 86705063, compound

HRID 1477932Notes

Reaction equation

[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([N:14]2[C:22]3[C:17](=[C:18]([NH:23][S:24]([CH3:27])(=[O:26])=[O:25])[CH:19]=[CH:20][CH:21]=3)[CH:16]=[CH:15]2)([CH2:12][CH3:13])[C:9](=O)[CH3:10])=[CH:4][CH:3]=1.Cl.[NH2:29][OH:30].C([O-])([O-])=O.[K+].[K+]>CCO>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]([N:14]2[C:22]3[C:17](=[C:18]([NH:23][S:24]([CH3:27])(=[O:26])=[O:25])[CH:19]=[CH:20][CH:21]=3)[CH:16]=[CH:15]2)([CH2:12][CH3:13])[C:9](=[N:29][OH:30])[CH3:10])=[CH:4][CH:3]=1

Participants

Conditions

Temperature: 130 °C

Procedure

To a solution of N-(1-(3-(4-chlorophenyl)-2-oxopentan-3-yl)-1H-indol-4-yl)methanesulfonamide (200 mg, 0.49 mmol), as described in Example 23 Step A, in EtOH (5 mL) was added hydroxylamine hydrochloride (68 mg, 0.99 mmol) and K2CO3 (137 mg, 0.99 mmol). The mixture was stirred at 130° C. under microwave for 2 h. After removing the solvent, the residue was dissolved in ethyl acetate (30 mL). The organic layer was washed with saturated sodium bicarbonate solution (10 mL) and brine (10 mL), dried over sodium sulfate, and then filtered. After removing the organic solvent, the residue was purified by silica gel chromatography eluting with PE/EA (10/1 to 5/1, v/v) to afford the title compound as a white solid. LC/MS m/z=441.9 [M+Na]+.

Workup

customAfter removing the solvent
dissolutionthe residue was dissolved in ethyl acetate (30 mL)
washThe organic layer was washed with saturated sodium bicarbonate solution (10 mL) and brine (10 mL)
dry with materialdried over sodium sulfate
filtrationfiltered
customAfter removing the organic solvent
customthe residue was purified by silica gel chromatography
washeluting with PE/EA (10/1 to 5/1

Sources & evidence

ORD record: ord-ec0dc8ba2c554f5795eca3b62d01a787
Source dataset: uspto-grants-2016_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09403807B2

Reaction notes

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