Pyran derivatives, which are obtainable through a step of reacting a compound having 3-formylcoumarin skeleton with either dehydroacetic acid or a compound having 4-cyanomethylene-2,6-dimethyl-4H-pyran skeleton, have a distinctive sensitivity to visible light and a distinctive luminous ability, and thus they have various applicabilities in photopolymerization, electroluminescence, and dye lasers.
吡喃衍
生物可通过使具有 3-甲酰基
香豆素骨架的化合物与
脱氢乙酸或具有 4-
氰基亚甲基-2,6-二甲基-
4H-吡喃骨架的化合物发生反应而获得,它们对可见光具有独特的敏感性和发光能力,因此在光聚合、电致发光和
染料激光器中具有多种用途。