Ebenaceae extractives. Part 7. Use of hydroxy-proton shifts of juglone derivatives in structure elucidation
- 1 January 1977
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 4,p. 355-359
- https://doi.org/10.1039/p19770000355
Abstract
Substitution at one or more positions of Juglone by bromo-, chloro-, hydroxy-, and methyl groups causes changes in the chemical shift of the hydroxy-proton which are additive and depend only on the nature and positions of the substituents. The hydroxy-proton signals of natural Juglone derivatives show similar regularities and enable the structures of neodiospyrin (11), galpinone (8), and bisisodiospyrin (7) to be defined.Keywords
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