Table 2.

Effect of different organic solvents on the synthesis of 3e

Entry a	Reaction time / h	organic phase	The amount of solvent / mL	Yield b / %
1	1	CHCl3	10	25.5
2	1	C6H6	10	45.2
3	1	CH3COOEt	10	54.3
4	1	Toluene	10	83.0

^a Reaction conditions: A mixture of quinazolin-4-one (1 mmol) (2e), 1-bromopropane (1.0 mmol), Bu₄NBr (0.08 mmol), 35 % potassium hydroxide (84 mmol, 10mL) in toluene (10 mL) was stirred at 88-90°C for 1 h. ^b Yields of isolated products.