Three pyranonaphthazarin pigments from Gnomonia erythrostoma
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 4,p. 209-210
- https://doi.org/10.1039/c29700000209
Abstract
Three pigments produced by Gnomonia erythrostoma have been shown to be 2-acetonyl-4-hydroxy-8-methoxydihydropyrano[3,2-g]naphthazarin (I), its 4-deoxy-derivative (II), and 2-(2′-hydroxy-n-propyl)-8-methoxydihydropyrano[3,2-g]naphthazarin (III) or the corresponding 7-methoxy-isomers.Keywords
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