Ascochlorin derivatives from the leafhopper pathogenic fungus Microcera sp BCC 17074

Isaka Masahiko; Yangchum Arunrat; Supothina Sumalee; Laksanacharoen Pattiyaa; Luangsa-ard J. Jennifer; Hywel-Jones Nigel L.

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Ascochlorin derivatives from the leafhopper pathogenic fungus Microcera sp BCC 17074

机译：叶蝉病原真菌Microcera sp BCC 17074中的抗草霉素衍生物

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Two new ascochlorin derivatives, nectchlorins A (1) and B (2), together with eight known compounds (3-10), were isolated from cultures of the leafhopper pathogen Microcera sp. BCC 17074. The structures were elucidated on the basis of NMR spectroscopic and mass spectrometry data. The absolute configuration of 2 was determined by application of the modified Mosher's method. The absolute configuration of LL-Z 1272 alpha epoxide (9), which is a plausible biosynthetic precursor of ascochlorins, was established by chemical correlations. Cytotoxic activities of these ascochlorin derivatives were evaluated.

机译：从叶蝉病原菌Microcera sp。的培养物中分离出两种新的抗草绿素衍生物，即油桃素A（1）和B（2），以及八个已知化合物（3-10）。 BCC17074。根据NMR光谱和质谱数据阐明了结构。 2的绝对构型是通过应用改进的Mosher方法确定的。通过化学相关性建立了LL-Z 1272α环氧化物（9）的绝对构型，这是一种可能的抗坏血酸生物合成前体。评估了这些抗草绿素衍生物的细胞毒活性。

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《The Journal of Antibiotics: An International Journal》 |2015年第1期|共5页
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Isaka Masahiko; Yangchum Arunrat; Supothina Sumalee; Laksanacharoen Pattiyaa; Luangsa-ard J. Jennifer; Hywel-Jones Nigel L.;
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正文语种 eng
中图分类药学;
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1. Ascochlorin derivatives from the leafhopper pathogenic fungus Microcera sp BCC 17074 [J] . Isaka Masahiko, Yangchum Arunrat, Supothina Sumalee, The Journal of Antibiotics: An International Journal . 2015,第1期

机译：叶蝉病原真菌Microcera sp BCC 17074中的抗草霉素衍生物
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3. A novel ascochlorin glycoside from the insect pathogenic fungus Verticillium hemipterigenum BCC 2370. [J] . Seephonkai P, Isaka M, Kittakoop P, The Journal of Antibiotics: An International Journal . 2004,第1期

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Ascochlorin derivatives from the leafhopper pathogenic fungus Microcera sp BCC 17074

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