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A Novel Phytotoxic Nonenolide from Phomopsis sp . HCCB03520
Author(s) -
Yang Zhijun,
Ge Mei,
Yin Yu,
Chen Yi,
Luo Minyu,
Chen Daijie
Publication year - 2012
Publication title -
chemistry and biodiversity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.427
H-Index - 70
eISSN - 1612-1880
pISSN - 1612-1872
DOI - 10.1002/cbdv.201100080
Subject(s) - phomopsis , radicle , chemistry , cytochalasin , germination , fungus , botany , medicago sativa , biology , biochemistry , cytoskeleton , cell
A novel phytotoxic nonenolide, (6 S ,7 R ,9 R )‐6,7‐dihydroxy‐9‐propylnon‐4‐eno‐9‐lactone ( 1 ), was isolated from solid cultures of the endophytic fungus Phomopsis sp. HCCB03520, together with three known compounds, cytochalasin H ( 2 ), cytochalasin N ( 3 ), and epoxycytochalasin H ( 4 ). The structures of these compounds were elucidated through spectroscopic analysis, and the absolute configurations were determined by CD spectroscopy. Phytotoxic activities of compounds 1 – 4 were also investigated. Compound 1 showed phytotoxic activity on germination and radicle growth of Medicago sativa, Trifolium hybridum , and Buchloe dactyloides.

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