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Title: Caldensinic acid, a prenylated benzoic acid from Piper caldense
Authors: Freitas, Giovana C.
Saga Kitamura, Rodrigo O.
Lago, Joao Henrique G. [UNIFESP]
Young, Maria Claudia M.
Guimaraes, Elsie F.
Kato, Massuo J.
Universidade de São Paulo (USP)
Univ Presbiteriana Mackenzie
Inst Bot
Inst Pesquisas Jardim Bot Rio de Janeiro
Universidade Federal de São Paulo (UNIFESP)
Keywords: Piper caldense
Prenylated benzoic acid
Caldensinic acid
Antifungal activity
Issue Date: 24-Aug-2009
Publisher: Elsevier B.V.
Citation: Phytochemistry Letters. Amsterdam: Elsevier B.V., v. 2, n. 3, p. 119-122, 2009.
Abstract: The CH(2)Cl(2) and MeOH extracts from leaves of Piper caldense were subjected to chromatographic separation procedures to afford the new prenylated benzoic acid, caldensinic acid (3-[(2'E,6'E,10'E)-11'-carboxy-3',7',15'-trimethylhexadeca-2',6',10',14'-tetraenyl]-4,5-dihydroxybenzoic acid) whose structure was determined by spectral analysis, mainly NMR ((1)H, (13)C, HSQC, HMBC) and ESI-MS. the natural compound and derivatives displayed antifungal activity against the phytopathogenic fungi Cladosporium cladosporioides and C. sphaerospermum by direct bioautography. (C) 2009 Phytochemical Society of Europe. Published by Elsevier B.V. All rights reserved.
ISSN: 1874-3900
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