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Tubakialactones A–E, new polyketides from the endophytic fungus Tubakia sp. ECN-111.
- Source :
-
Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry . Jun2017, Vol. 58 Issue 23, p2248-2251. 4p. - Publication Year :
- 2017
-
Abstract
- Three new isocoumarins and two new phthalides, tubakialactones A–E ( 1 – 5 ), together with three known polyketides including ( R )-3,4-dihydro-4-hydroxyl-6,8-dimethoxy-4-methyl-3-methylene-1 H -2-benzopyran-1-one ( 6 ), (−)-5,7-dimethoxy-3-methyl-1(3 H )-isobenzofuranone ( 7 ), and isosclerone ( 8 ) were found in the endophytic fungus Tubakia sp. ECN-111 isolated from the leaves of Houttuynia cordata . The chemical structures of the new compounds were determined by spectroscopic analyses, including extensive 2D-NMR experiments. The absolute configuration of 3 and 7 was determined by optical rotation and circular dichroism. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00404039
- Volume :
- 58
- Issue :
- 23
- Database :
- Academic Search Index
- Journal :
- Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 123039061
- Full Text :
- https://doi.org/10.1016/j.tetlet.2017.04.076