Novel phenyl-1-benzoxepinols from butcher's broom (Rusci rhizoma).

  title={Novel phenyl-1-benzoxepinols from butcher's broom (Rusci rhizoma).},
  author={Matej Barbi{\vc} and Thomas J{\"u}rgen Schmidt and Guido Juergenliemk},
  journal={Chemistry & biodiversity},
  volume={9 6},
Two novel compounds, (3S)-2,3-dihydro-3-(4-hydroxyphenyl)-1-benzoxepin-8-ol (ruscozepine A) and (3S)-2,3-dihydro-3-(4-hydroxyphenyl)-8-methoxy-1-benzoxepin-7-ol (ruscozepine B) were isolated from butcher's broom (Rusci rhizoma) together with a biosynthetically possible phenylethanoid precursor, hydroxytyrosol. The structures were elucidated by spectroscopic methods such as 1D- and 2D-NMR (COSY, HSQC, HMBC, ROESY), and HR-EI-MS experiments. The absolute configuration of the ruscozepines was… CONTINUE READING

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