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New dimeric and trimeric: Erythrina alkaloids from Erythrina variegata

RSC Advances, ISSN: 2046-2069, Vol: 6, Issue: 91, Page: 87863-87868
2016
  • 19
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  • 13
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Metrics Details

  • Citations
    19
    • Citation Indexes
      19
  • Captures
    13

Article Description

HPLC-guided chromatography isolation led to five new polymeric Erythrina alkaloids, erythrivarines C-G (1-5), from the flowers of Erythrina variegata. Their structures were elucidated by intensive spectroscopic analyses. Dimeric alkaloids 1 and 2 consisted of two erythrinine units via an acetyl glucose, whereas trimers 3-5 were coupled through direct polymerization. Alkaloids 1 and 2 showed excellent insecticidal activities against aphid Rhodobium porosum.

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