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Photoreorganisation of xylylbischromones occurring through 1,4-biradical is described. In these bischromones, the two chromophores have been found to behave independently. 相似文献
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Mona Kapoor Som N DhawanSatbir Mor Shubash C BhatiaSatish C Gupta Maninder S Hundal 《Tetrahedron》2003,59(27):5027-5031
Photoreorganisation of 2-alkoxy-2-(4′-methoxyphenyl)-1H-indene-1,3(2H)-diones in anhydrous acetone affords exclusively Z-3-alkoxy-3-[(4′-methoxyphenyl)methylidene]-1(3H)-isobenzofuranones. The products were identified by X-ray crystallography of one of them. 相似文献
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