Table 2. Optimization of the Surfactant for Chalcone Synthesis (1 mmol scale) with NaOH as the Base^a.

		Yield (%)b
Entry	Surfactant (2%)	3a	4a
1	CTAB	61	8
2	SDS	83	0
3	TPGS	77	0
4	PTS	78	0
5	Nok	75	0
6	Brij 35	80	1
7	Triton X-100	76	0
8	Kolliphor EL	76	0
9	Tween 80	85	0

^aReaction conditions: 5 mL vial, benzaldehyde (1 mmol), acetophenone (1 mmol), NaOH (base) (1 mmol); surfactant solution (1 mL), rt, 24 h.

^bThe yields were estimated by ¹H NMR with heptane as an internal standard.