Search for "ortho substitution" in Full Text gives 29 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2013, 9, 1883–1890, doi:10.3762/bjoc.9.221
Beilstein J. Org. Chem. 2013, 9, 1235–1242, doi:10.3762/bjoc.9.140
Beilstein J. Org. Chem. 2012, 8, 1747–1752, doi:10.3762/bjoc.8.199
Beilstein J. Org. Chem. 2012, 8, 1018–1026, doi:10.3762/bjoc.8.114