Search for "β-ketoenamides" in Full Text gives 4 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2019, 15, 655–678, doi:10.3762/bjoc.15.61
Beilstein J. Org. Chem. 2016, 12, 1170–1177, doi:10.3762/bjoc.12.112
Beilstein J. Org. Chem. 2014, 10, 394–404, doi:10.3762/bjoc.10.37
Beilstein J. Org. Chem. 2011, 7, 962–975, doi:10.3762/bjoc.7.108