One-pot synthesis of iimidazo[1,2-<i>c</i>]quinazoline-5(6<i>H</i>)-thione and imidazo[1,2-<i>c</i>]quinazolin-5(6<i>H</i>)-one with the aid of tin(II) chloride
作者:Man-Man Wang、Guo-Lan Dou、Da-Qing Shi
DOI:10.1002/jhet.246
日期:2009.11
An efficient, convenient, one‐pot synthesis of imidazo[1,2‐c]quinazoline‐5(6H)‐thione and imidazo[1,2‐c]quinazolin‐5(6H)‐one was accomplished in good yields via the novel reductive cyclization of 2‐(2‐nitrophenyl)‐1H‐imidazoles with isothiocyanates or isocyanates mediated by SnCl2·2H2O system. J. Heterocyclic Chem., (2009).
高效,方便,一锅合成咪唑并[1,2 - c ]喹唑啉-5(6 H)-硫酮和咪唑并[1,2 - c ]喹唑啉-5(6 H)-一,收率高通过异氰酸酯或SnCl 2 ·2H 2 O系统介导的异氰酸酯对2-(2-硝基苯基)-1 H-咪唑的新型还原环化作用。J.杂环化学,(2009)。