kopsine
National Institutes of Health
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Eleven new indole alkaloids (1-11) comprising seven aspidofractinine and four eburnane alkaloids, were isolated from the stem…
1D and 2D NMR techniques were used to assign fully the spectra of three aspidofractinine alkaloids, kopsine (1), fruticosamine (2…
KOPSINE, an indoline alkaloid, has been isolated from the leaves of Kopsia albiflora, L. and Kopsia fructosa, A.Dc. (Apocyanaceae…