A One-pot, Efficient Synthesis of Polyfunctionalized Pyrido[2,3-<i>d</i>]pyrimidines and Uncyclized Adducts by Aldehydes, 1,3-Dicarbonyl Compounds, and 6-Aminouracils
作者:Guo-ping Lu、Chun Cai
DOI:10.1002/jhet.1704
日期:2014.11
A one‐pot, efficient protocol for the synthesis of polyfunctionalizedpyrido[2,3‐d]pyrimidines and uncyclizedadducts by 6‐aminouracils in poly(ethylene glycol) 200/H2O or AcOH was described. An interesting family of pyrido[2,3‐d]pyrimidines and uncyclizedadducts bearing fused pharmacological active units are prepared. The reaction is free of toxic solvents and catalysts, has simple workup procedure
描述了一种在6-乙二醇尿嘧啶在聚(乙二醇)200 / H 2 O或AcOH中由6-氨基尿嘧啶合成多官能化吡啶并[2,3- d ]嘧啶和未环化加合物的有效方法。制备了一个有趣的吡啶并[2,3- d ]嘧啶家族和带有稠合药理活性单元的未环加合物。该反应不含有毒溶剂和催化剂,后处理步骤简单,原子经济性高,使其更环保,适合大规模操作。