期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 12, 期 22, 页码 5677-5684出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200600466
关键词
arynes; catalysis; cyclotrimerization; palladium; triphenylenes
The synthesis of ortho-(trimethylsilyl)triphenylenyl triflates 7 is described. Fluoride-induced decomposition of these triflates leads to the generation of didehydrotriphenylenes (triphenylynes) 6. These arynes undergo [4+2] cycloadditions with dienes to afford the corresponding Diels-Alder adducts or palladium-catalyzed formal [2+2+2] cycloadditions to afford extended triphenylenes.
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