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铁皮石斛内生真菌Verticillium sp. KY-18的化学成分研究 被引量:1

Chemical constituents in endophytic fungus Verticillium sp. KY-18 isolated from Dendrobium officinale
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摘要 目的研究铁皮石斛Dendrobium officinale内生真菌Verticillium sp.KY-18中氧杂环类化合物。方法采用色谱分离技术进行分离和纯化,并根据谱学数据鉴定化合物的结构。结果从Verticillium sp.KY-18的发酵产物中分离得到13个氧杂环类化合物,分别鉴定为2,6-dihydroxy-2-methyl-7-(prop-1E-enyl)-1-benzofuran-3(2H)-one(1)、nigrosporapyrone D(2)、oosponol(3)、2-甲基-4-吡喃酮(4)、6-甲基-5-[(1E)-丁烯基]-2-吡喃酮(5)、penicisochroman D(6)、verrucosapyrone B(7)、(1S,3S)-1,8-dimethoxy-3,5-dimethyl-6-hydroxyisochroman(8)、phomopsinone A(9)、pseudohalonectrin A(10)、dictafolin-A(11)、2,3-dihydro-5,7-dihydroxy-2,6,8-trimethyl-4H-1-benzopyran-4-one(12)、2-pyrone-4,6-dicarboxylic acid(13)。结论化合物2~10为首次从该属真菌中分离得到;化合物11~13为首次从该真菌中分离得到。 Objective To study the chemical constituents in the endophytic fungus Verticillium sp. KY-18, isolated from Dendrobium candidum. Methods The compounds were isolated and purified by means of chromatographic techniques and their structures were identified on the basis of spectral features. Results Thirteen known compounds belong to oxygen heterocyclic compounds, named 2, 6-dihydroxy-2-methyl-7-(prop-1E-enyl)-l-benzofuran-3 (2H)-one (1), nigrosporapyrone D (2), oosponol (3), 2-methyl-4-pyrone (4), 5-(1E-butenyl)-6-methylpyran-2-one (5), penicisochroman D (6), verrucosapyrone B (7), (IS, 353-1, 8-dimethoxy-3, 5- dimethyl-6-hydroxyisochroman (8), phomopsinone A (9), pseudohalonectrin A (10), dictafolin-A (11), 2, 3-dihydro-5, 7-dihydroxy-2, 6, 8-trimethyl-4H-l-benzopyran-4-one (12), and 2-pyrone-4, 6-dicarboxylic acid (13). Conclusion Compounds 2--10 are first isolated from the plants of Verticillium genus, and compounds 11--13 are first obtained from fungi.
出处 《中草药》 CAS CSCD 北大核心 2014年第16期2312-2315,共4页 Chinese Traditional and Herbal Drugs
基金 国家自然科学基金资助项目(31200262) 浙江省重中之重林学一级学科开放基金(KF201302) 浙江农林大学人才启动基金(2012FR041)
关键词 铁皮石斛 内生真菌 氧杂环 nigrosporapyrone D 2-甲基-4-吡喃酮 6-甲基-5-[(1E)-丁烯基]-2-吡喃酮 Dendrobiurn officinale Kimura et Migo. endophytic fungus oxygen heterocycles nigrosporapyrone D 2-methyl-4-pyrone 5 -( 1 E-butenyl) -6 -methylpy ran -2 -one
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