Photochromiccompound is characterized of changing from one colour to another under UV radiation and returned to be colourless after removal of the light source.
Photochromic N methyl spirooxazine compound has been prepared. The specimen was characterized by 1H NMR and IR, and a preliminary study has been done on the photochromic properties.
合成了具有光致变色性能的化合物N 甲基螺恶嗪，对它进行了IR和1 H NMR表征，并对其光致变色性能进行了初步研究。
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The title compound has a reversible photochromic property. A possible photochromic mechanism was proposed based on the ESR spectra of colour-changed samples.