Table 1.

The structures of the 21 chalcones with their substitution patterns.

Compounds	A ring (R)	Substitution in B ring				Formula	Isolated yield (%)
		C2	C3	C4	C5
p1		H	NO2	H	H	C14H10N2O3	45
p2		H	H	N(CH3)2	H	C16H16N2O	62
p3		H	H	OCH3	OCH3	C16H15NO3	58
p4		H	OCH3	OCH3	OCH3	C17H17NO4	51
p5		OH	H	H	H	C14H11NO2	51
p6		H	OH	H	H	C14H11NO2	50
p7		H	H	OH	H	C14H11NO2	58
f1		H	NO2	H	H	C13H9NO4	43
f2		H	H	N(CH3)2	H	C15H15O2	61
f3		H	H	OCH3	OCH3	C15H14O4	55
f4		H	OCH3	OCH3	OCH3	C16H16O3	51
f5		OH	H	H	H	C13H10O5	54
f6		H	OH	H	H	C13H10O3	58
f7		H	H	OH	H	C13H10O3	62
t1		H	NO2	H	H	C13H9NO3S	46
t2		H	H	N(CH3)2	H	C15H15NOS	63
t3		H	H	OCH3	OCH3	C15H14O3S	50
t4		H	OCH3	OCH3	OCH3	C16H16O4S	53
t5		OH	H	H	H	C13H10O2S	55
t6		H	OH	H	H	C13H10O2S	52
t7		H	H	OH	H	C13H10O2S	58