Intracrystalline Kinetics Analyzed by Real-Time Monitoring of a 1,2-Dioxetane Chemiluminescence Reaction in a Single Crystal

Adamantylideneadamantane 1,2-dioxetane (Adox), one of the most stable 1,2-dioxetanes, was used to investigate the kinetic properties of its chemiluminescent thermolytic reaction in the crystalline state by monitoring chemiluminescence (CL) in real time. Soon after heating of single crystals at 140 °...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 2022, Vol.95 (3), p.413-420
Main Authors: Matsuhashi, Chihiro, Fujisawa, Hiroki, Ryu, Meguya, Tsujii, Tetsuya, Morikawa, Junko, Oyama, Hironaga, Uekusa, Hidehiro, Maki, Shojiro, Hirano, Takashi
Format: Article
Language:English
Subjects:
Chemiluminescence
Crystal structure
Crystallinity
Crystals
Kinetics
Monitoring
Real time
Single crystals
Thermal diffusivity
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Summary:Adamantylideneadamantane 1,2-dioxetane (Adox), one of the most stable 1,2-dioxetanes, was used to investigate the kinetic properties of its chemiluminescent thermolytic reaction in the crystalline state by monitoring chemiluminescence (CL) in real time. Soon after heating of single crystals at 140 °C, it was found that the thermolytic reactions of Adox in the crystals proceeded with zero-order kinetics for several minutes. During the period showing the zero-order kinetics, CL intensities were dependent on the volumes of crystals, and the inside crystals were maintained in a thermal steady state with a constant thermal diffusivity. After this period, the heated crystals of Adox started to break showing different kinetics. This study indicates that a crystalline-state CL reaction is useful to track its progress in real time for analyzing the kinetics.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.20210445