A facile synthetic method using SnCl2·2H2O system to promote the novel reductive cyclization of 2‐nitrobenzamides and isothiocyanates is described. Sequentially, a series of 2,3‐dihydro‐2‐thioxoquinazolin‐4(1H)‐ones were synthesized in good yields. J. Heterocyclic Chem., (2010).
描述了一种使用SnCl 2 ·2H 2 O系统的简便合成方法,以促进2-
硝基苯甲酰胺和异
硫氰酸酯的新型还原环化。依次合成了一系列2,3-二氢-2-
硫代氧杂
喹啉-4(1 H)-酮,收率很高。J.杂环化学。(2010)。