Novel photochromism of differently-linked bis-benzopyrans |
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| Authors: | Moorthy Jarugu Narasimha Venkatakrishnan Parthasarathy Samanta Subhas |
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| Institution: | Department of Chemistry, Indian Institute of Technology, Kanpur, 208016, India. moorthy@iitk.ac.in |
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| Abstract: | The unique photochromic bis-chromene 5 incorporates the structural attributes of both 3 and 4 . UV-vis irradiation of 5 leads to a dark brown colour, which is formed by mixing the purple and red colours observed for the photolysates of 3 and 4 , respectively. |
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