Steudel, RalfStrauss, Eva-Maria2019-01-022019-01-0219830932-0776https://depositonce.tu-berlin.de/handle/11303/8779http://dx.doi.org/10.14279/depositonce-7908The Separation of a number of cyclic methylene sulfides and selenides by reversed-phase high-pressure liquid chromatography is reported. The retention times as well as the capacity factors depend in a systematic way on the ring size, the number and kind of chalcogen atoms, and the number of heteronuclear bonds within the ring. These relation-ships are used to assign the chromatograms of cyclic selenium sulfides of type SenS8-n (n = 1-8) prepared in a new reaction from Se2Cl2, SCl2 and potassium iodide and containing all selenium atoms in neighboring positions.de540 Chemie und zugeordnete WissenschaftenHPLCmethylene sulfidesmethylene selenidesselenium sulfidessulfur heterocyclesArticle1865-7117