A mild and practical protocol for highly regioselective C6−Halkylation of purines with alcoholsintervened by oxalates under blue LED irradiation is reported. This transformation does not need transition metalcatalysts, is not sensitive to moisture and does not require N2 protection. Besides, this method displays broad functional groups compatibility and is easily scale up.
报告了一种温和实用的方案,用于在蓝色 LED 照射下草酸盐干预嘌呤与醇的高度区域选择性 C6-H 烷基化。这种转化不需要过渡金属催化剂,对水分不敏感,也不需要N 2保护。此外,该方法显示出广泛的功能组兼容性并且易于放大。