2-Chloroquinoxaline → 2-Fluoroquinoxaline

Participants

Reaction Steps

A mixture of 2-chloroquinoxaline (1.65 g, 10 mmol), potassium fluoride (1.16 g, 20 mmol) and dry dimethyl sulfoxide (10 mL) was heated with stirring for 4 h. After cooling to room temperature the mixture was filtered through silica gel with 10% ether/hexane as the eluent to afford 2-fluoroquinoxaline as a colorless oil.

Provenance & Evidence