Selective N-functionalization of 6-substituted-2-pyridones
作者:Hui Liu、Sung-Bo Ko、Hubert Josien、Dennis P. Curran
DOI:10.1016/0040-4039(95)01917-7
日期:1995.12
6-Substituted-2-pyridones can be selectively N-alkylated by treatment with NaH/LiBr in a mixture of DMF and DME. Yields of N-propargylated, N-allylated, and other N-functionalized products are good, and only small amounts of the isomeric O-alkylated product (<10%) are typically formed.