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Natural Product Research
Formerly Natural Product Letters
Volume 27, 2013 - Issue 7
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Research Article

Tomentomimulol and mimulone B: Two new C-geranylated flavonoids from Paulownia tomentosa fruits

K. Schneiderová Department of Natural Drugs, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
,
T. Šlapetová Department of Natural Drugs, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
,
R. Hrabal Laboratory of NMR Spectroscopy, Institute of Chemical Technology, Prague, Czech Republic
,
H. Dvořáková Laboratory of NMR Spectroscopy, Institute of Chemical Technology, Prague, Czech Republic
,
P. Procházková Department of Natural Drugs, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic
,
J. Novotná Department of Physics and Measurements and Department of Analytical Chemistry, Institute of Chemical Technology, Prague, Czech Republic
,
M. Urbanová Department of Physics and Measurements and Department of Analytical Chemistry, Institute of Chemical Technology, Prague, Czech Republic
,
J. Cvačka Mass Spectroscopy Group, Institute of Organic Chemistry and Biochemistry, v.v.i., Academy of Sciences of the Czech Republic, Prague, Czech Republic
&
K. Šmejkal Department of Natural Drugs, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech RepublicCorrespondence[email protected]
 show all
Pages 613-618 | Received 04 Jan 2012, Accepted 04 Mar 2012, Published online: 01 May 2012
 
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Abstract

Two new discovered C-geranylated flavonoids tomentomimulol (1) and mimulone B (2) were isolated from the methanol extract of Paulownia tomentosa (Thunb). Steud. (Paulowniaceae) fruits by exhaustive chromatographic separation together with one known compound tanariflavanone D (3). The identification of compounds and structure elucidation was carried out using 1D and 2D NMR experiments, as well as mass spectroscopy, ultra-violet, infra red and CD experiments.

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