Results 171 to 180 of about 2,910 (216)

Alkaloids of Alstonia angustifolia

Phytochemistry, 1988
Abstract Thirty-one alkaloids have been isolated from the leaves and from the stem bark of Alstonia angustifolia from Malaysia. Twenty of them were known compounds: yohimbine, O -acetyl yohimbine, pleiocarpamine, fluorocarpamine, cathafoline, cabucraline, N -1 desmethylquaternine, vincamajine, normacusine B, lochnerine, affinisine, akuammicine ...
K. Ghedira, M. Zeches-Hanrot, B. Richard, G. Massiot, L. Le Men-Olivier, T. Sevenet, S.H. Goh   +6 more
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Alkaloids of Alstonia plumosa

Phytochemistry, 1980
Abstract Nineteen indole alkaloids have been isolated from the root and stem barks of Alstonia plumosa, from New Caledonia.
M.J. Jacquier, J. Vercauteren, G. Massiot, L. Le Men-Olivier, J. Pussett, T. Sevenet   +5 more
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Alkaloids of Alstonia sphaerocapitata

Phytochemistry, 1984
Abstract Twenty alkaloids have been isolated from the leaves, fruit and stem-bark of Alstonia sphaerocapitata from New Caledonia. They were vincamedine, 10-methoxyvincamedine, Z-isositsirikine, akuammicine, quaternoline, 11-methoxyakuammicine, tubotaiwine, 10-methoxyvincamedine N (4)-oxide, cabucraline, cathafoline, caberoline, vincoridine ...
C. Caron, Y. Yachaoui, G. Massiot, L. Le Men-Olivier, J. Pusset, T. Sévenet   +5 more
openaire   +1 more source

ChemInform Abstract: Indole Alkaloids from the Leaves of Alstonia villosa in Sunbawa (Alstonia 6).

ChemInform, 1999
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
F. ABE, T. YAMAUCHI, H. SHIBUYA, I. KITAGAWA, M. YAMASHITA   +4 more
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Some alkaloids of Alstonia undulata

Phytochemistry, 1984
Abstract Sixteen indole alkaloids have been identified in the root bark and in the leaves of Alstonia undulata from New Caledonia. They are vincamedine, tetrahydroalstonine, alstonidine, deplancheine, fluorocarpamine, pleiocarpamine, 11-methoxyakuammicine, cabucraline, desoxycabufiline, cabucraline- N (4)-oxide, 11-methoxyakuammicine N (4)-oxide ...
D. Guillaume, A.M. Morfaux, B. Richard, G. Massiot, L. Le Men-Olivier, J. Pusset, T. Sévenet   +6 more
openaire   +1 more source

Alkaloids from Alstonia scholaris

Phytochemistry, 1997
Abstract Three new indole alkaloids, nareline ethyl ether, 5- epi -nareline ethyl ether and scholarine- N (4)-oxide, in addition to nareline methyl ether, picrinine and scholaricine were isolated from the leaf extract of Alstonia scholaris . © 1997 Elsevier Science Ltd.
Kam Toh-Seok, Nyeoh Kok-Tih, Sim Kooi-Mow, K. Yoganathan   +3 more
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Alkaloids from alstonia undulifolia

Phytochemistry, 1992
Abstract (+)-Tetrahydrocantleyine, (−)-cantleyine, (−)-akuammicine, pleiocarpamine, echitamidine, 20- epi -19 & xi;-echitamidine, echitamine, nor-echitamine and undulifoline, a new alkaloid with the rare uleine skeleton, have been isolated from the stem bark of Alstonia undulifolia . The structures were established by spectroscopic means.
Georges Massiot, Ahcene Boumendjel, Jean-Marc Nuzillard, Bernard Richard, Louisette Le Men-Olivier, Bruno David, Hamid A. Hadi   +6 more
openaire   +1 more source

Alstonia

2022
openaire   +1 more source

Alstonia scholaris

2020
Vidhu Aeri, D B Anantha Narayana, Dharya Singh   +2 more
openaire   +1 more source

Alstonia scholaris

2023
openaire   +1 more source