Search for "polymer-supported reagent" in Full Text gives 2 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2018, 14, 1778–1805, doi:10.3762/bjoc.14.152
Beilstein J. Org. Chem. 2014, 10, 1397–1405, doi:10.3762/bjoc.10.143