| | 1 | Author
| DavidS. Rycroft3, JosephD. Connolly3, SiegfriedH. Uneck, Uwe Himmelreich1 | Requires cookie* | | | Title
| Revised Structure of Haemoventosin  | | | | Abstract
| The structure of the lichen pigm ent haem oventosin has been revised to 3,4,6,9-tetrahydro-5,10-dihydroxy-7-m ethoxy-3S-m ethyl-l,6,9-trioxo-l H-naphtho-[2,3-c]pyran (3), mainly on the basis of long-range <3C/<3H correlations observed in 2 D HM BC NMR experiments and long-range <5H/<5D isotope effects observed in partial deuteriation experiments with 10-0-acetylhaemoventosin; ortho-and /?öra-quinonoid structures were distinguished by means of the transacetylation inferred in the sodium dithionite reduction of lO-O-acetylhaemo-ventosin. | | | |
Reference
| Z. Naturforsch. 50b, 1557—1563 (1995); eingegangen am 13. März 1995 | | | |
Published
| 1995 | | | |
Keywords
| H aem oventosin, Naphthoquinone, O phioparm a ventosa, Lichen, 'H NMR Spectra, 13C NM R Spectra | | | |
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