Table 2.

Cases of Claisen–Schmidt Condensation for the Synthesis of Chalcones

Entry	Catalyst	Solvent	Reaction	Ref
1	NaOH	ethanol		98
2	NaOH KOH	methanol ethanol		55,56, 99
3	Piperazine	methanol ethanol		100
4	Ca(OH)2 Ba(OH)2 Sr(OH)2	aprotic solvent		101
5	LiHDMS	THF		102
6	NaNO3 (LiNO3)/natural phosphates	methanol		6,103
7	HCl	ethanol		107
8	AlCl3	carbon disulfide		107
9	BF3–Et2O	dioxane		105,110
10	SOCl2	ethanol		454
11	p-TsOH	acetic acid		109
12	NaOH	/		113
13	KF-Al2O3	/		115
14	CaO	/		114
15	TBAB	inorganic alkaline solution		119
16	hydrotalcite	[dbmin]BF4		120