Search for "singlet carbene" in Full Text gives 5 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2018, 14, 1120–1180, doi:10.3762/bjoc.14.98
Beilstein J. Org. Chem. 2016, 12, 1590–1597, doi:10.3762/bjoc.12.155
Beilstein J. Org. Chem. 2016, 12, 882–902, doi:10.3762/bjoc.12.87
Beilstein J. Org. Chem. 2014, 10, 832–840, doi:10.3762/bjoc.10.79
Beilstein J. Org. Chem. 2010, 6, 1061–1069, doi:10.3762/bjoc.6.121