Search for "mesoionic carbene" in Full Text gives 4 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2020, 16, 482–491, doi:10.3762/bjoc.16.43
Beilstein J. Org. Chem. 2019, 15, 1996–2002, doi:10.3762/bjoc.15.195
Beilstein J. Org. Chem. 2015, 11, 2584–2590, doi:10.3762/bjoc.11.278
Beilstein J. Org. Chem. 2013, 9, 698–704, doi:10.3762/bjoc.9.79