Porphyrins and polyprenol from Macaranga tanarius
The dichloromethane extract of the air-dried leaves of Macaranga tanarius afforded chlorophyllide a (1), chlorophyll a (2), and polyprenol (3). The structures of 1 and 2 were elucidated by extensive 1D and 2D NMR spectroscopy, while the structure of 3 was deduced by comparison of its 1H NMR data wit...
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| Main Authors: | , |
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| Format: | text |
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Animo Repository
2014
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| Online Access: | https://animorepository.dlsu.edu.ph/faculty_research/2655 |
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| Institution: | De La Salle University |
| Summary: | The dichloromethane extract of the air-dried leaves of Macaranga tanarius afforded chlorophyllide a (1), chlorophyll a (2), and polyprenol (3). The structures of 1 and 2 were elucidated by extensive 1D and 2D NMR spectroscopy, while the structure of 3 was deduced by comparison of its 1H NMR data with those reported in the literature. Antimicrobial tests on 1 indicated that it has low antimicrobial activities against the bacteria: E. coli, S. aureus, and P. aeruginosa and fungi: C. albicans and T. mentagrophytes. It was inactive against B. subtilis and A. niger. Compound 2 was found to exhibit low antimicrobial activities against P. aeruginosa and C. albicans and inactive against E. coli, S. aureus, B. subtilis, A. niger, and T. mentagrophytes. |
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