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.
本发明的目的是新型螺
吲哚萘噁嗪化合物以及含有这些化合物的组合物和(共)聚合物基质。所述化合物具有有趣的光致变色特性。本发明的另一个目的是制备上述新型化合物的方法。