Search for "catalyst-free" in Full Text gives 81 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2014, 10, 2858–2873, doi:10.3762/bjoc.10.303
Beilstein J. Org. Chem. 2014, 10, 459–465, doi:10.3762/bjoc.10.43
Beilstein J. Org. Chem. 2013, 9, 1407–1413, doi:10.3762/bjoc.9.157
Beilstein J. Org. Chem. 2013, 9, 510–515, doi:10.3762/bjoc.9.55
Beilstein J. Org. Chem. 2013, 9, 49–55, doi:10.3762/bjoc.9.6
Beilstein J. Org. Chem. 2012, 8, 534–538, doi:10.3762/bjoc.8.61