Research Article
Synthesis and Biological Evaluation of Novel 5,7-Dichloro-1,3-benzoxazole Derivatives
Scheme 2
Synthesis of compounds 4–11. i: HCOOH, ii: CH3COOH, iii: NaNO2/AcOH, iv-CH3COCH2COOC2H5, v: CNCH2COOC2H5, vi: CH3COCH2COCH3, vii: ClCOOC2H5, viii: (COOC2H5)2.
