Scheme 2From: Synthesis of N,O-bidentate organic difluoroboron complexes and their photophysical studiesThe scope of acetophenone derivatives used for the synthesis of compounds 4a,b. aReaction conditions: 1 (0.20 mmol), 2 (0.30 mmol), KTB (0.60 mmol), THF (2.0 mL), BF3∙THF (0.60 mmol), N2, rt, 24 h. bIsolated yieldsBack to article page