Development of New Multicomponent Reactions in Eco-Friendly Media-Greener Reaction and Expeditious Synthesis of Novel Bioactive Benzylpyranocoumarins

Table 3

Chemical yields and physical properties of coumarins derivatives 6a–6g.

Entry	R	Compound	Yield (%)	Melting point (°C)
1	H	6a	95	120
2	p-CH3	6b	75	142
3	p-N(CH3)2	6c	80	160
4	p-NO2	6d	85	210
5	m-Br	6e	87	160
6	m-OCH3	6f	90	236
7	m-OH	6g	95	240