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Cirsium속 식물로부터 새로운 polyacetylene의 분리

A Novel Polyacetylene from Cirsium spp.

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A novel polyacetylene was isolated from Cirsium spp., as well as five known ones, and its chemical structure was determined as heptadeca-1-en-11,13-diyne-8R, 9S,10R-triol(1) on the basis of spectral data and chemical reactions. 1H-and 13C-NMR data of these polyacetylenes were completely assigned by the application of 2D-NMR techniques.

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