The Tropylation of Polyhydric Phenols and the Dehydrogenation of Their Products
- 1 June 1967
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 40 (6) , 1462-1473
- https://doi.org/10.1246/bcsj.40.1462
Abstract
The tropylation reaction of polyhydric phenols, such as guaiacol, catechol, resorcinol, hydroquinone, 2, 6-dimethoxyphenol, pyrogallol and phloroglucinol, has been carried out. These polyhydric phenols were quite reactive with ethyl tropyl ether or with tropylium ion, and gave mono-, di-, or sometimes tri-tropyl derivatives. The dehydrogenation of tropylpolyhydric phenol methyl ethers gave stable aryltropilium ions. The methoxyphenyltropones and the methoxyphenyl tropolones were also synthesized in good yields starting from the 4-methoxyphenyltropylium ion.Keywords
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