Copper‐Catalyzed Annulation Toward Fluoroalkylated Quinoxalines Using o ‐Phenylenediamines and α ‐Fluoroacetyl Diazoester

Key Points

• The aim is to develop a new method for synthesizing fluorinated quinoxalines through copper-catalyzed annulation.
• Copper-catalyzed cyclization with o-phenylenediamines and diazodicarbonyl compounds
• Conducted under mild reaction conditions
• Explored a broad range of substrate variations
• Successfully synthesized diverse fluorinated quinoxaline derivatives
• Achieved moderate to good yields
• Demonstrated feasibility for medicinal and materials science applications