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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Anthelmintic Macrolactams from Nonomuraea turkmeniaca MA7381.
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Anthelmintic Macrolactams from Nonomuraea turkmeniaca MA7381.

机译:土生Nonomuraea turkmeniaca MA7381的驱虫大内酰胺。

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摘要

A new macrolactam, fluvirucin B(0) (1), and two known macrolactams, Sch 38516/fluvirucin B(1) (2) and Sch 39185/fluvirucin B(3) (3), have been isolated from an acetone extract of a strain of Nonomuraea turkmeniaca. These compounds were isolated by bioassay-guided fractionation as part of our search for new anthelmintics. The structures of these compounds were elucidated by comparison of their NMR and MS data to those of previously reported fluvirucins, and confirmed by 2D-NMR. 1~3 exhibited in vitro activity (EC(90) <1.0~1.7 mug/ml) against Haemonchus contortus larvae, but were ineffective in reducing worm counts in vivo against Heligmosomoides polygyrus in mice at 50 mg/kg dosed intramuscularly.
机译:从丙酮的丙酮提取物中分离出一种新的大内酰胺氟维卢星B(0)(1)和两个已知的大内酰胺Sch 38516 /氟维卢星B(1)(2)和Sch 39185 /氟维卢星B(3)(3)。土库曼诺氏菌的一种。这些化合物是通过生物测定引导分离法分离的,这是我们寻找新驱虫药的一部分。通过将它们的NMR和MS数据与先前报道的氟病毒素进行比较,阐明了这些化合物的结构,并通过2D-NMR进行了确认。 1〜3表现出对捻转血矛线虫幼虫的体外活性(EC(90)<1.0〜1.7杯/毫升),但在肌肉内剂量为50 mg / kg的小鼠体内,对减少多虫类Heligmosomoides polygyrus的蠕虫计数无效。

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