Cyclic diaryl ethers are present in multiple natural compounds, organic pollutants as well as in π-conjugated organic molecular materials. This short review aims at overviewing the main synthetic advances in the O-annulation methods for preparing five-, six-, and seven-membered rings through C-H cleavage. 1 Introduction 2 Five-Membered Rings: The Dibenzofuran (DBF) Motif 2.1 Palladium-Catalysed C-H Activation 2.2 Copper-Catalysed C-H Activation 2.3 Non-CH Activation Oxidant-Mediated Cyclisation 2.4 Light-Mediated Cyclisation 2.5 Acid-catalysed C-O Cleavage/C-O Formation 3 Six-Membered Rings: DBX, PXX, Xanthone, and Their Derivatives 3.1 Dibenzoxanthene (DBX) 3.2 Peri -Xanthenoxanthene (PXX) 3.3 Xanthones 3.4 Miscellaneous 4 Seven-Membered Rings: Cularine 5 Conclusion.
- C-H activation
- C-O bond formation
- cyclic diaryl ether
- oxidative cyclisation
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Synthesis, optoelectronic properties and hydrogen-bond promoted organisation of heteroatom-doped polycyclic hydrocarbonsAuthor: ROSSIGNON, A., 6 Jul 2020
Student thesis: Doc types › Doctor of Sciences