2,5,8,11-Tetra-terMmtyl-pen-xanthenoxanthene and its Dication Spectroelectrochemistry and Model Calculations on a Dioxa-22-7r-system
نویسندگان
چکیده
Z. Naturforsch. 51 b, 377-380 (1996); received October 4, 1995 Spectroelectrochemistry, MO-Calculations, Xanthenoxanthenes, Radical Cation, Dication Spectroelectrochemistry of 2,5,8,1 l-tetra-rm-butyl-p^n'-xanthenoxanthene 1 yields the UV/VIS spectra of the corresponding radical cation l '+ and dication 12+. The bathochromic shift for the dication 12+ relative to 1 and to the isoelectronic hydrocarbon anthanthrene (2) can be understood by quantum mechanical calculations {ab initio, AM 1) of model structures.
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