Phytochemical investigation of the aerial parts ofAtalantia racemosa Wt. and Arn. gave the known compounds xanthyletin, xanthotoxin and friedelin. The structure (I) for the new coumarin, racemosin, has been deduced on the basis of UV, IR, NOE, proton and carbon-13 NMR spectral data. The assigned structure for the natural product has been confirmed by synthesis.
Volume 134, 2022
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