A decarbonylative alkylation of chromones via radical conjugate addition under metal-free conditions was developed using aliphatic aldehydes as alkylating reagents. A series of 2-tertiary, secondary, and even primary alkylated chromanones were obtained in moderate to excellent yields.
使用脂肪族醛作为烷基化试剂,开发了在无
金属条件下通过自由基共轭加成反应实现
色酮的脱羰基烷基化反应。以中等至优异的产率获得了一系列的2-叔,仲,甚至伯烷基化的发
色酮。