Water → (E)-N'-hydroxy-3-[4-[(E)-1-[1-(oxan-2-yl)indazol-5-yl]-2-phenylbut-1-enyl]phenyl]prop-2-enimidamide

Participants

Reaction Conditions

Reaction Steps

To a solution of (E)-3-(4-((E)-2-phenyl-1-(1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-5-yl)but-1-en-1-yl)phenyl)acrylonitrile (380 mg, 0.83 mmol) and hydroxylamine hydrochloride (265 mg, 3.8 mmol) in DMSO (8 mL) was added triethylamine (0.5 mL, 3.8 mmol), and the mixture was heated at 75° C. for 24 h. After cooling, water was added, and the solution was extracted with EtOAc (3×). The combined organics were washed with brine (2×), dried (MgSO4) and concentrated. Purification by silica gel chromatography (0 to 65% EtOAc/hexanes) provided 116 mg of the title compound as a yellow foam. LCMS: 409 [(M-THP+H)+H]+.

Provenance & Evidence