thiepine

== English == === Noun === thiepine (plural thiepines) (organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one sulfur atom and three double bonds ==== Usage notes ==== The analogous compounds with two, and one double bonds are termed tetrahydro- and dihydro- thiepines. The analogous saturated compound is thiepane. ==== Derived terms ==== thiazepine