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Abstract 1. Charge Transfer (CT) Complexes between Triazene-l-oxides (1a- The interaction between the unsymmetrical diaryltriazene- I-oxides (1a-j) and the electron-deficient dipolarophile TCNE leads to formation of stable (1:1) charge transfer complexes. CT-complexes of various triazene-1-oxides la-k as donors with Tcne as tt-aceptor have been Studied Spestrophoto- metrically, association constants KCT’ wavelengths of maximum absorption ~max, molar extinction coefficients for maximum KCT of the various complexes versus Hammett’s ()-values has been determiend. |