Chemiluminescent Mechanism of Alkylacridines and Acridinium Salts

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  • アルキルアクリジンとアクリジニウム塩類の化学発光機構
  • アルキルアクリジン ト アクリジニウム エンルイ ノ カガク ハッコウ キコウ

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In the base-catalyzed air oxidation of 9-substituted acridines and acridinuim salts in aprotic solvents, reaction mechanism involving a cleavage of 1.2-dioxetanes as key intermediates to give the excited singlet or triplet species is plausible for the luminescent reaction. The kinetics for the luminescence were investigated to determine the quantum yields of the direct and indirect chemiluminescence (CL), as well as the spin state selectivity with added 9, 10-dibromoanthracene, 9, 10-diphenylanthracene. The chemiexcitation for the generation of the excited singlet and triplet species was analyzed in a view point of the structure and substituent effects of the compounds.

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