A Mild and Efficient Method for the Deformylation of 5-Formyl Uracils and Synthesis of 4,4′-Methylidenebis(1-phenyl-3-methyl-5-pyrazolone)
作者:Pulak Bhuyan、Mohit Deb、Swarup Majumder
DOI:10.1055/s-0029-1217536
日期:2009.7
6-Substituted 5-formyl uracils undergo an interesting reaction with 1-phenyl-3-methyl-5-pyrazolone in the presence of base catalyst to afford deformylated uracils and 4,4′-methylidenebis(1-phenyl-3-methyl-5-pyrazolone) in excellent yields.
6-取代的 5-甲酰基尿嘧啶在碱性催化剂存在下与 1-苯基-3-甲基-5-吡唑啉酮发生有趣的反应,得到去甲酰基尿嘧啶和 4,4'-亚甲基双(1-苯基-3-甲基-5) -吡唑啉酮),收率极佳。