107828-84-2Relevant academic research and scientific papers
Photochromic Systems. Part 2. Studies on the Photoreactions and the Photopolychromic Properties of (E)-(2,5-Dimethoxyphenyl-substituted)methylene Isopropylidenesuccinic Anhydrides
Crescente, Oscar,Heller, Harry G.,Patharakorn, Surapol
, p. 1599 - 1602 (2007/10/02)
Each of the pale yellow title compounds (1), in toluene and other appropriate organic solvents, cyclises on irradiation at 366 nm to give purple solutions containing a mixture of a termally unstable, blue 4-substituted 1,8a-dihydro-5,8-dimethoxy-1,1-dimet
