ISOLATION AND STRUCTURE OF SIBIRATE FROM SIBIRAEA ANGUSTATA
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Abstract
A new ferulic acid ester, C16H22O9, mp 141~143℃ (EtOAc), named sibirate (Ⅰ), was isolated from the aerial part of Sibiraea angustata (Rchd.) Hand.-Mazz. in addition to a known compound ferulic acid. By means of IR, EI-MS, FAB-MS, 1H NMR, 13C NMR and chemical evidences the structure of sibirate was established as glucityl ferulate.
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