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首页> 外文期刊>Journal of photochemistry and photobiology, C. Photochemistry reviews >Advanced chemistry of dioxetane-based chemiluminescent substrates originating from bioluminescence
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Advanced chemistry of dioxetane-based chemiluminescent substrates originating from bioluminescence

机译：源自生物发光的基于二氧杂环丁烷的化学发光底物的高级化学

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摘要

A class of high-energy molecules, the 1,2-dioxetanes, have received a great deal of attention because of their unique ability to decompose thermally into electronically excited carbonyl products. Their chemistry originates from studies on molecular mechanisms of bioluminescence and has a history of over 30 years. However, the luminescent efficiency of the dioxetanes could hardly be compared with that for bioluminescence until a dioxetane bearing an easily oxidized aryl group was found to afford efficient chemiluminescence by the intramolecular chemically initiated electron exchange luminescence (CIEEL) mechanism. Nowadays, the CIEEL-type dioxetanes are being applied to modern biochemical and biomedical analyses. In this review, the advanced chemistry of the CIEEL-type dioxetanes as highly efficient chemiluminescent substrates is described, focusing on their molecular design and synthesis. Singlet chemiexcitation processes for the intramolecular CIEEL decay of dioxetanes and triplet chemiexcitation processes for the thermolysis of dioxetanes are also discussed.
机译：一类高能分子1,2-二氧杂环丁烷因其独特的热分解能力而被热分解为电子激发的羰基产物，因此备受关注。它们的化学起源于对生物发光分子机理的研究，已有30多年的历史。然而，直到发现带有易于氧化的芳基的二氧杂环丁烷通过分子内化学引发的电子交换发光（CIEEL）机制提供了有效的化学发光，才能将二氧环乙烷的发光效率与生物发光的发光效率进行比较。如今，CIEEL型二氧杂环丁烷正在用于现代生化和生物医学分析中。在这篇综述中，描述了作为高效化学发光底物的CIEEL型二氧杂环丁烷的先进化学，着重于其分子设计和合成。还讨论了用于二氧环乙烷分子内CIEEL衰减的单重态化学激发过程和用于二氧环乙烷热解的三重态化学激发过程。

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