Benzopyrans from Hypericum polyanthemum

Authors
Ferraz, ABF Bordignon, SAL Staats, C Schripsema, J von Poser, GL
Citation
Abf. Ferraz et al., Benzopyrans from Hypericum polyanthemum, PHYTOCHEM, 57(8), 2001, pp. 1227-1230
Citations number
12
Categorie Soggetti
Agricultural Chemistry","Animal & Plant Sciences
Journal title
PHYTOCHEMISTRY
ISSN journal
00319422 → ACNP
Volume
57
Issue
8
Year of publication
2001
Pages
1227 - 1230
Database
ISI
SICI code
0031-9422(200108)57:8<1227:BFHP>2.0.ZU;2-F
Abstract
From the aerial parts of Hypericum polyanthemum Klotzsch ex Reichardt (Gutt iferae), three chromenes, 6-isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyra n; 7-hydroxy-6-isobutyryl-5-methoxy-2,2-dimethyl-benzopyran and 5-hydroxy-6 -isobutyryl-7-methoxy-2,2-dimethyl-benzopyran were isolated. Their structur es were determined by NMR spectroscopic analyses. (C) 2001 Elsevier Science Ltd. All rights reserved.