Potassium Carbonate → 4-[4,5-dihydro-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-3-isoxazolyl]-N-[2-(S-methylsulfinimidoyl)ethyl]-1-naphthalenecarboxamide

HRID 467595Notes

Reaction equation

HRID 467595 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([C:10]2([C:39]([F:42])([F:41])[F:40])[O:14][N:13]=[C:12]([C:15]3[C:24]4[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=4)[C:18]([C:25]([NH:27][CH2:28][CH2:29][S:30]([CH3:38])=[N:31]C(=O)C(F)(F)F)=[O:26])=[CH:17][CH:16]=3)[CH2:11]2)[CH:5]=[C:6]([Cl:9])[C:7]=1[Cl:8].C(=O)([O-])[O-].[K+].[K+]>CO>[Cl:1][C:2]1[CH:3]=[C:4]([C:10]2([C:39]([F:40])([F:42])[F:41])[O:14][N:13]=[C:12]([C:15]3[C:24]4[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=4)[C:18]([C:25]([NH:27][CH2:28][CH2:29][S:30]([CH3:38])=[NH:31])=[O:26])=[CH:17][CH:16]=3)[CH2:11]2)[CH:5]=[C:6]([Cl:9])[C:7]=1[Cl:8]

Participants

4

Procedure

To a stirred solution of 4-[4,5-dihydro-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-3-isoxazolyl]-N-[2-[S-methyl-N-(2,2,2-trifluoroacetyl)sulfinimidoyl]ethyl]-1-naphthalene-carboxamide (70 mg) (i.e. the title compound of Step A) in methanol (2 mL) was added potassium carbonate (300 mg) at room temperature. After stirring overnight at room temperature, the reaction mixture was filtered through a short pad of silica gel and rinsed with ethyl acetate. After concentration, the residue was purified by column chromatography on silica gel using dichloromethane/methanol (98:2 to 92:8) as eluent to afford the title compound, a compound of the present invention, as a semisolid (9 mg, 15% yield).

Workup

  1. filtrationthe reaction mixture was filtered through a short pad of silica gel
  2. washrinsed with ethyl acetate
  3. concentrationAfter concentration
  4. customthe residue was purified by column chromatography on silica gel

Sources & evidence

ORD record
ord-74a97023c6bd4f11964a12da68edeb8f
Source dataset
uspto-grants-2014_01
Patent number
US08623875B2

Reaction notes

Loading…