... Chemistry Various 6-fluoroquinolines with a 7-methyl or 7-fluoromethyl group, 20, 21, 25, 40, 41, and 48, were synthesized from the ... 3536 , 1 , - Vol. 30 (1982) 25°C. After being stirred at the same temperature for 1.5 h, the reaction mixture was poured into ice-water (400 ml). ...