Synthesis and Biological Evaluation of Novel 5,7-Dichloro-1,3-benzoxazole Derivatives

Table 1

Physical data of compounds 4–11.

Compound	Molecular; formula	Molecular; weight	M.P. (°C)	Yield (%)
4	C8H3Cl2N3O	228.04	190–192	93
5	C9H5Cl2N3O	242.06	218-219	95
6	C7H2Cl2N4O	229.02	68-69	87
7	C11H7Cl2N3O2	284.09	135–138	89
8	C10H6Cl2N4O2	285.08	162–165	79
9	C12H9Cl2N3O	282.10	130–132	90
10	C8H3Cl2N3O2	244.03	185–187	85
11	C9H3Cl2N3O3	272.04	160-161	84