Add time:08/06/2019         Source:sciencedirect.com

Acridinium salts 3a-h were synthesized from the corresponding sulfonamides 1a-h and their chemiluminescence profiles were compared. The quantity of light emitted over the time studied did not correlate well with the pKa of sulfonamide leaving group. Rather, steric factors contributed the most to modulating the light output from these compounds. The mesitylsulfonyl substituent of acridinium salt 3d reduced the chemiluminescence signal by 20-fold relative to the reference acridinium salt 3a.

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