Abstract
Phytochemical investigations of the African ethnomedicinal plant Cryptolepis sanguinolenta (Lindl.) Schltr. (Apocynaceae) have yielded only a small number of rare naturally occurring indoloquinoline alkaloids. Our recent work has resulted in the isolation of a new indoloquinoline named 3-hydroxyneocryptolepine, which was obtained from an ethanolic extract of the roots. The structure of the compound was elucidated based on 1D and 2D NMR as well as HRESIMS spectral evidence. LDL uptake promotion activity of the compound in HepG2 cells was not significant.
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