Phyllanemblinins A-F, new ellagitannins from Phyllanthus emblica.

  title={Phyllanemblinins A-F, new ellagitannins from Phyllanthus emblica.},
  author={Yingjun Zhang and Tomoko Abe and Takashi Tanaka and Chong Ren Yang and Isao Kouno},
  journal={Journal of natural products},
  volume={64 12},
Six new ellagitannins, phyllanemblinins A-F (1-6), were isolated from Phyllanthus emblica, along with 30 known tannins and related compounds. Their structures were determined by spectral and chemical methods. Phyllanemblinins A (1) and B (2) were confirmed to be ellagitannins having a tetrahydroxybenzofuran dicarboxyl group and a hexahydroxydiphenoyl group, respectively, by chemical synthesis from furosin (8). Phyllanemblinin C (3) has a new acyl group at the glucose 2,4-positions and is… CONTINUE READING

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