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ECB-ART-42467
J Asian Nat Prod Res 2012 Jan 01;148:743-7. doi: 10.1080/10286020.2012.688956.
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Two new tocopherol polymers from the seeds of Euryale ferox.

Han Z , Luo J , Kong LY .


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Two new tocopherol polymers, chroman-type dimer named ferotocodimer A (1) and spiro-type trimer named ferotocotrimer E (2), were isolated from the seeds of Euryale ferox. Their structures were elucidated on the basis of spectroscopic methods including HR-ESI-MS and 1D and 2D NMR. The absolute configurations of 1 and 2 were determined by CD and ROESY experiments.

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