Search for "porphyrins" in Full Text gives 56 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2012, 8, 201–226, doi:10.3762/bjoc.8.22
Beilstein J. Org. Chem. 2011, 7, 156–166, doi:10.3762/bjoc.7.22
Beilstein J. Org. Chem. 2010, 6, 1070–1078, doi:10.3762/bjoc.6.122
Beilstein J. Org. Chem. 2010, 6, No. 32, doi:10.3762/bjoc.6.32
Beilstein J. Org. Chem. 2009, 5, No. 77, doi:10.3762/bjoc.5.77
Beilstein J. Org. Chem. 2008, 4, No. 45, doi:10.3762/bjoc.4.45