Microwave-Assisted Synthesis and Biological Evaluation of Dihydropyrimidinone Derivatives as Anti-Inflammatory, Antibacterial, and Antifungal Agents

Table 1

Piperidine catalyzed synthesis of 2-amino dihydropyrimidinones.

Entry	Ar	Product^a	Yield (%)^b	M.P (°C)
1	C6H5	4a	92	218–220
2	4-(CH3O)-C6H4	4b	93	110–112
3	3,4-(CH3O)-C6H3	4c	87	127-128
4	4-NO2-C6H4	4d	83	162–164
5		4e	79	93–95
6		4f	91	76–78
7		4g	90	190–192
8		4h	87	148–150

aAll compounds thus obtained were characterized by physical and spectral data. ^bIsolated yields.