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Tetrahedron Lett. 2009 Dec 1;50(49):6834-6837.

Bionectriol A, a polyketide glycoside from the fungus Bionectria sp. associated with the fungus-growing ant, Apterostigma dentigerum.

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Chemical Biology Graduate Program, Harvard Medical School, Boston, MA 02115.


A new polyketide glycoside, bionectriol A (1), was produced by a fungal culture of Bionectria sp., which was isolated from a fungus garden of the fungus-growing ant Apterostigma dentigerum, in Costa Rica. The structure of bionectriol A was determined mainly through NMR and mass spectroscopic data, as well as UV and IR spectra. The relative configurations of the main chain, the pyranohexose, and the pentitol moiety were elucidated by (1)H-(1)H coupling constants and ROESY NMR spectral analysis.

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