13C NMR studies of heterocyclic naphtho-
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Cristian Salas; Veronica Armstrong; Claudio LΓ³pez; Ricardo A. Tapia
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Article
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2008
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John Wiley and Sons
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English
β 123 KB
## Abstract ^13^C chemical shift assignment of several methyl substituted heterocyclic naphthoβ and anthraquinones, including dihydronaphthofuranquinones, azaanthraquinones, benzopyrroloquinolinediones and benzothiophenoquinolinediones, are described. A deshielding effect due to a methyl group was