SEARCH Articles Figures Tables From non-heterocyclic precursors by closure of one bond Heterocycles by ring closure of ortho-substituted Heterocycles by ring closure of ortho-substituted /-anilines Heterocycles by ring closure of ortho-substituted t-anilines Heterocyclics s. a. Ring closure) Meth-Cohn, O., Suschitzky, H., Heterocycles by Ring-Closure of Ortho-Substituted O-Heterocyclics (s. a. Oxa closure, double Ring closure heterocyclic compounds Ring closure of ortho-substituted /anilines, for heterocycles Ring closure of ortho-substituted t-anilines, for heterocycles Ring closure of ortho-substituted tanilines, for heterocycles