Abstract
Three new natural furanones, pulvinulin A (1), graminin C (2), and cis-gregatin B (3), together with the known fungal metabolites, graminin B (4) and 10-norparvulenone (5), were isolated from Pulvinula sp. 11120, an endophytic fungal strain occurring in healthy foliage of Cupressus arizonica (Arizona cypress). The structures of 1 and 2 were elucidated by the analysis of their spectroscopic data and chemical interconversions, and that of 3 was determined by comparison with data for synthetic cis-gregatin B. Comparison of spectroscopic data of 4 and 5 with those reported identified them as graminin B and 10-norparvulenone, respectively. Metabolites 1-4 exhibited antibacterial activity against E. Coli.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 107-111 |
| Number of pages | 5 |
| Journal | Natural Product Communications |
| Volume | 10 |
| Issue number | 1 |
| State | Published - 2015 |
Keywords
- Cis-Gregatin B.
- Cupressus arizonica
- Endophyte
- Furanones
- Graminin C
- Pulvinula sp. 11120
- Pulvinulin A
ASJC Scopus subject areas
- Pharmacology
- Plant Science
- Drug Discovery
- Complementary and alternative medicine
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