Acridinium ester chemiluminescence: Methyl substitution on the acridine moiety

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Methyl groups were introduced on the acridine moiety in chemiluminescent acridinium esters that have electron-withdrawing groups (trifluoromethyl, cyano, nitro, ethoxycarbonyl) at the 4-position on the phenyl ester. The introduction of methyl groups at the 2-, 2, 7-, and 2, 3, 6, 7-positions on the acridine moiety shifted the optimal pH that gave relatively strong chemiluminescence intensity from neutral conditions to alkaline conditions. 4-(Ethoxycarbonyl)phenyl 2, 3, 6, 7, 10-pentamethyl-10λ4-acridine-9- carboxylate, trifluoromethanesulfonate salt showed long-lasting chemiluminescence under alkaline conditions. Acridinium esters to determine hydrogen peroxide concentration at pH 7-10 were newly developed.

Original languageEnglish
Pages (from-to)1677-1684
Number of pages8
JournalJournal of oleo science
Issue number11
Publication statusPublished - 2021

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering


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