The object of the present invention is novel spiroindolinonaphthoxazine compounds as well as the compositions and (co)polymer matrices containing them. Said compounds have interesting photochromic properties. Another object of the present invention is a method of preparing said novel compounds.
本发明的对象是新颖的螺合
吲哚萘氧噻嗪化合物,以及含有它们的组合物和(共)
聚合物基质。所述化合物具有有趣的光致变色性能。本发明的另一个对象是制备所述新型化合物的方法。