Physical and analytical data of synthesized coumarin derivatives.

Products	R	Yield (%)	Time (min)	Melting point (°C)
10a	H	78	180	165–167
10b	p-Cl	62	210	193–195
10c	p-Br	61	190	182–184
10d	p-OH	67	195	198–200
10e	p-OCH3	62	210	205–208
10f	p-CH3	71	240	202–204
10g	2,6-Dimethyl	58	220	188–190
10h	m-Cl	68	210	197–200
10i	m-Br	69	190	178–181
10j	m-OH	62	195	184–186
10k	m-OCH3	59	200	208–210
10l	m-CH3	73	225	212–214