Preparation de quelques cyclohexène-2 diones-1,4 et de leurs dérivés
- 1 November 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (21) , 3515-3523
- https://doi.org/10.1139/v71-586
Abstract
The osmic acid catalyzed oxidation of quinones has yielded for the first time to our knowledge the monomers of some cis-5,6-dihydroxycyclohex-2-ene-1,4-diones. Toluquinone and o-xyloquinone give mixtures of the two possible isomers. Observation of the n.m.r. spectra suggests that this new class of compounds are in general conformationally more mobile than quinonedihalides. The conversion of cyclohex-2-ene-1,4-diones into oximes allows the easy evaluation of all the important coupling constants.Keywords
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