Search for "sulfide contraction" in Full Text gives 4 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2021, 17, 2543–2552, doi:10.3762/bjoc.17.170
Beilstein J. Org. Chem. 2016, 12, 2609–2613, doi:10.3762/bjoc.12.256
Beilstein J. Org. Chem. 2011, 7, 1164–1172, doi:10.3762/bjoc.7.135
Beilstein J. Org. Chem. 2008, 4, No. 5, doi:10.1186/1860-5397-4-5