Metal and phosgene-free synthesis of 1H-quinazoline-2,4-diones by selenium-catalyzed carbonylation of o-nitrobenzamides
作者:Xiaowei Wu、Zhengkun Yu
DOI:10.1016/j.tetlet.2010.01.040
日期:2010.3
were efficiently synthesized by selenium-catalyzed carbonylation of o-nitrobenzamides under relatively mild conditions. In situ-generated carbonyl selenide (SeCO) is proposed to initiate the catalytic carbonylation. Thus, a concise transition metal and phosgene-free synthetic route to potentially bioactive-substituted 1H-quinazoline-2,4-dione derivatives has been developed.
在相对温和的条件下,通过硒催化邻硝基苯甲酰胺的羰基化反应,可以有效地合成1 H-喹唑啉-2,4-二酮。建议原位产生的羰基硒化物(SeCO)引发催化羰基化反应。因此,已经开发出一种简明的过渡金属和无光气的合成路线,可以潜在地被生物活性取代的1 H-喹唑啉-2,4-二酮衍生物。