Synthesis of Zwitterionic Compounds: Fully Saturated Pyrimidinylium and 1,3-Diazepinylium Derivatives via the Novel Rearrangement of 3-Oxobutanoic Acid Thioanilide Derivatives
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资源简介：
An unusual rearrangement following cyclization of 2-anilino-2-ethoxy-3-oxothiobutanoic acid with aliphatic 1,3- as well as 1,4-diamine leads to zwitterionic derivatives of 2-hydroxypropanoic acid. Moreover, with aromatic 1,2-diamines, fused heterocyclic systems such as pteridine, quinoxaline, and pyrido[2,3-b]pyrazine are obtained.
创建时间：
2016-08-19
