Autor:	Charley Christian Staats, Sergio Augusto de Loreto Bordignon, Alexandre de Barros Falcão Ferraz, Gilsane Lino von Poser, Jan Schripsema
Rok vydání:	2010
Předmět:	Hypericum polyanthemum Traditional medicine Chemistry General Medicine Benzopyrans
Zdroj:	ChemInform. 32
ISSN:	1522-2667 0931-7597
DOI:	10.1002/chin.200147230
Popis:	From the aerial parts of Hypericum polyanthemum Klotzsch ex Reichardt (Guttiferae), three chromenes, 6-isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran; 7-hydroxy-6-isobutyryl-5-methoxy-2,2-dimethyl-benzopyran and 5-hydroxy-6-isobutyryl-7-methoxy-2,2-dimethyl-benzopyran were isolated. Their structures were determined by NMR spectroscopic analyses.
Databáze:	OpenAIRE
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