4-Hydroxyclooctanone and 4-hydroxycyclooct-2-enone are shown to be in equilibrium with their respective bicyclic tautomers; the corresponding 4-aminocyclooctanones and -oct-2-enones have been synthesised and these amino-ketones show similar behaviour. The position of equilibrium varies with substitution (and with temperature in some cases).
显示
4-羟基
氯辛酮和
4-羟基环辛-2-烯酮与它们各自的双环互变异构体处于平衡状态。已经合成了相应的4-
氨基
环辛酮和-oct-2-烯酮,并且这些
氨基酮表现出相似的行为。平衡的位置随取代(在某些情况下还随温度)而变化。