ausblenden:
Schlagwörter:
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Zusammenfassung:
The 1,1,2,2-bis(1,3-diketo-2,2-bindanylidene)ethane radical anion (13) and 1,1,4,4-bis (1,3-diketo-2,2-binanylidene)butene-2 radical anion (14) representing 1,6- and 1,8-conjugated semidiones have been prepared by reduction. Electron spin resonance hyperfine splitting constants have been assigned on the basis of Hückel and McLachlan calculations.