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The Light Emitter of the 2-Coumar­anone Chemiluminescence: Theoretical and Experimental Elucidation of a Possible Model for Bioluminescent Systems

Abstract : The bioluminescence reaction of many biological subspecies, most notably fireflies, forms dioxetanone derivatives as high-energy intermediates. The thermal instability of dioxetanones complicates understanding of the transition from the ground state to the first excited state that leads to light emission. Herein, we report the reaction mechanism of 2-coumaranones, synthetically accessible strongly chemiluminescent materials that mimic the bioluminescence reaction. The pathways of chemiexcitation and photorelaxation are clarified on the basis of synthetic evidence and spectrochemical as well as computational mechanistic analysis.
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https://hal-upec-upem.archives-ouvertes.fr/hal-01334763
Contributor : Isabelle Navizet <>
Submitted on : Tuesday, June 21, 2016 - 12:36:37 PM
Last modification on : Thursday, March 19, 2020 - 11:52:04 AM

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Stefan Schramm, Isabelle Navizet, Panče Naumov, Naba K. Nath, Romain Berraud-Pache, et al.. The Light Emitter of the 2-Coumar­anone Chemiluminescence: Theoretical and Experimental Elucidation of a Possible Model for Bioluminescent Systems. European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2016, 2016 (4), pp.678-681. ⟨10.1002/ejoc.201501515⟩. ⟨hal-01334763⟩

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