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    Peucedanum praeruptorum Dunn

    Peucedanum is a genus of flowering plant in the carrot family, Apiaceae.
    The root of Peucedanum praeruptorum Dunn. was extracted with solvents at different polarity obtaining three chemical fractions: aqueous (H2O), n-butanol (BuOH) and ethyl acetate (AcOEt). From AcOEt praeruptorins A and B were isolated by column chromatography on silica gel, using toluene/ethyl acetate as eluent, and identified by 1H and 13C NMR analysis.
    A new angular dihydropyranocoumarin named qianhucoumarin H and four known coumarins, peucedanocoumarin I, 5,8-dimethoxypsoralen, isoscopoletin, umbelliferone along with anchoic acid were isolated from the root of Peucedanumpraeruptorum. By spectral analysis and chemical evidence, the structure of qianhucoumarin H was elucidated as 3′(S)-angeloyloxy-4′(R)-isovaleryloxy-3′,4′-dihydroseselin and the absolute configurations were established by chemical correlations with known compounds.

    Peucedanum praeruptorum Dunn
    Research products of Peucedanum praeruptorum Dunn
    Catalog Product Name CAS Number Manual
    CFN98758Imperatorin482-44-0  PDF
    CFN99107Isoimperatorin482-45-1  PDF
    CFN97494Scopoletin92-61-5  PDF
    CFN99738Peucedanol28095-18-3  PDF
    CFN98139Praeruptorin A73069-25-7  PDF
    CFN98140Praeruptorin B81740-07-0  PDF
    CFN98141(+)-Praeruptorin A73069-27-9  PDF
    CFN98142Praeruptorin D73069-28-0  PDF
    CFN98143Praeruptorin C72463-77-5  PDF
    CFN90449Praeruptorin E78478-28-1  PDF
    CFN92800Qianhucoumarin G68692-61-5  n/a
    CFN92518Peucedanocoumarin I130464-55-0  PDF
    CFN92519Peucedanocoumarin II130464-56-1  n/a
    CFN92560Peucedanocoumarin III130464-57-2  PDF
    CFN90311Apiosylskimmin103529-94-8  PDF
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