Abstract Abstract Amidoximes (1) reacted with isopropenyl acetate in presence of KSF under microwave irradiation and gave 1,2,4-oxadiazoles (2). 1,2,4-Oxadiazoles (4) can also be obtained by microwave irradiation from O-acylamidoximes (3) adsorbed on Alumina. 1,3,4-Oxadiazoles (6) were obtained by irradiation of bis (acyl) hydrazines (5) in thionyl chloride.
摘要 摘要 酰胺
肟(1) 在KSF 存在下在微波辐射下与
乙酸异丙烯酯反应,得到
1,2,4-恶二唑(2)。
1,2,4-恶二唑 (4) 也可以通过微波辐射从吸附在氧化铝上的 O-酰
氨基
肟 (3) 获得。1,3,4-恶二唑 (6) 通过在亚
硫酰氯中辐照双 (酰基)
肼 (5) 获得。