A Diastereoselective Synthesis of Functionalized 3-Pyrazolidinones from Hydrazines, Aromatic Aldehydes, and Acylketene
作者:Issa Yavari、Mohammad Bayat、Stavroula Skoulika
DOI:10.1055/s-0033-1339642
日期:——
construction of 4-acetyl-2-phenyl-5-aryl-3-pyrazolidinones via a tandem reaction between phenylhydrazine, aromatic aldehydes, and but-1-ene-1,3-dione (acylketene), in moderate to good yields, is reported. When methylhydrazine and 4-methylphenylhydrazine hydrochloride were used instead of phenylhydrazine, the reaction led to the formation of 3-oxobutanohydrazide derivatives.
通过苯肼、芳香醛和but-1-ene-1,3-之间的串联反应构建4-乙酰基-2-苯基-5-芳基-3-吡唑烷酮的实用微波辅助一锅法据报道,二酮(酰基乙烯酮)的产率中等至良好。当使用甲基肼和 4-甲基苯肼盐酸盐代替苯肼时,反应导致形成 3-氧代丁酰肼衍生物。