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Records of Natural Products
Yazarlar: Liaqat Ali Farzana Shaheen
Konular:-
Anahtar Kelimeler:Pentacyclic triterpenoids,Prunus cerasoides,Ethanolic extract,NMR spectral data .
Özet: One new metabolite, prunol (1), belonging to the pentacyclic triterpenoid skeleton was purified from the dichloromethane soluble fraction of the crude ethanolic extract of Prunus cerasoides D. Don. The structure elucidation was accomplished on the basis of one dimensional 1H and 13C NMR and two dimensional HMQC, HMBC, and COSY experiments. The molecular mass was determined by HRFAB-MS, while the major fragments were observed in the EI-MS. The comparative analysis of the NMR spectral data with the known analogues and the NOESY experiments were helpful in assigning the stereo centers in the molecule.
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