A convenient and highly practical procedure for C-alkylation of 1,3-dicarbonyl compounds has been developed involving the use of ionic liquid based on 1-butylpyridinum tetrafluoroborate.

• 以1-丁基吡啶四氟硼酸盐为离子液体,实现了1,3-二羰基化合物的烷基化反应,提供了一种既方便又实用的操作方