A metal- and oxidant-free route for affording azaspiro[4.5]deca-6,9-diene-3,8-dione via photomediated iodinated spirocyclization of N-(4-methoxybenzyl) propiolamide has been developed. The reaction underwent a radical addition/ipso-cyclization/dearomatization process at room temperature and successfully constructed C–C and C–I bonds. This green and convenient approach could be generally expanded to
已经开发了一种通过光介导的N- (4-甲氧基苄基)
丙炔酰胺的
碘化螺环化来提供 azaspiro[4.5]deca-6,9-diene-3,8-dione 的无
金属和氧化剂途径。该反应在室温下经历了自由基加成/同环化/脱芳构化过程,并成功构建了C-C和C-I键。这种绿色方便的方法通常可以扩展以生产一系列
碘化螺环化产物,产率中等至良好。