| Literature DB >> 11576612 |
X C Li1, D C Dunbar, H N ElSohly, L A Walker, A M Clark.
Abstract
The indolopyridoquinazoline alkaloid, 3-hydoxyrutaecarpine, was isolated from Leptothyrsa sprucei, along with 8-methoxypsoralen, 5-methoxypsoralen, imperatorin, isoimperatorin, kaempferol 3-O-alpha-L-rhamnopyranoside, clematine and cnidioside B. The usefulness of the gradient 1H-15N HMBC NMR spectroscopy in the structure elucidation of 3-hydroxyrutaecarpine is noted.Entities:
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Year: 2001 PMID： 11576612 DOI： 10.1016/s0031-9422(01)00248-5
Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072