Search for "benzofurans" in Full Text gives 28 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2013, 9, 313–322, doi:10.3762/bjoc.9.36
Beilstein J. Org. Chem. 2011, 7, 1533–1540, doi:10.3762/bjoc.7.180
Beilstein J. Org. Chem. 2011, 7, 210–217, doi:10.3762/bjoc.7.28