Table 4. C5-mono and C5,C7-dichlorination/bromination of quinolines ^a .

^aReaction conditions: 1 (0.4 mmol) and TCCA or TBCA (0.145 mmol), acetonitrile (ACN, 3 mL), rt, open-air atmosphere, 15 min to 6 h. The yields in parentheses are of the C5,C7-dihalogenation product obtained as a minor compound (see ESI for details). Isolated yields.