The cyclodehydration condensation of hippuic,aromatic aldehydes and acetic anhydride took place easily and gave a series of 2 phenyl 4 arylidens 5(4H) oxazolones in good yields in present of acetic sodium by microwave...The cyclodehydration condensation of hippuic,aromatic aldehydes and acetic anhydride took place easily and gave a series of 2 phenyl 4 arylidens 5(4H) oxazolones in good yields in present of acetic sodium by microwave irradiation.展开更多
文摘The cyclodehydration condensation of hippuic,aromatic aldehydes and acetic anhydride took place easily and gave a series of 2 phenyl 4 arylidens 5(4H) oxazolones in good yields in present of acetic sodium by microwave irradiation.