Results 181 to 190 of about 7,345 (218)

Alkaloids of Alstonia lanceolifera

Phytochemistry, 1981
Abstract Four new indole alkaloids, 10-methoxydeplancheine, 10,11-dimethoxy-1-methyl-deacetyl picraline benzoate, 10,11-dimethoxy-1-methyl-deacetyl picraline 3′,4′,5′-trimethoxybenzoate and 10,11-dimethoxy-1-methyl-deacetyl picraline were isolated from the leaves of Alstonia lanceolifera .
N. Petitfrere-Auvray, J. Vercauteren, G. Massiot, G. Lukacs, T. Sevenet, L. Le Men-Olivier, B. Richard, M.-J. Jacquier   +7 more
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Alkaloids from Roots of Alstonia yunnanensis

Planta Medica, 1983
Isolement de 6 alcaloides indoles des racines d'A. yunnanensis. Hormis la tetrahydroalstonine, les cinq autres alcaloides sont isoles pour la premiere fois d'une Alstonia sp.
C, Weiming, Y, Yaping, L, Xiaotian
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Alkaloids of Alstonia macrophylla

Phytochemistry, 1987
Abstract A new alkaloid, 19-hydroxyvincamajine, has been isolated from the leaves of Alstonia macrophylla . In addition to this, eight other indole alkaloids, alstonerine, alstophylline, macralstonine, anhydromacralstonine, talcarpine, vincamajine, vincorine and cabucraline, were also isolated and identified from the bark and leaves of A ...
Chitra K. Ratnayake, Lakshmi S.R. Arambewela, K.T.D. De Silva, null Atta-ur-Rahman, K.A. Alvi   +4 more
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Indole Alkaloids fromAlstonia angustifolia

Planta Medica, 1989
From the stem bark of ALSTONIA ANGUSTIFOLIA, eleven alkaloids were isolated. Seven of them are known ones: echitamine ( 1), N(b)-demethylechitamine ( 2), pseudoakuammigine ( 3), tubotaiwine ( 5), akuammicine ( 6), N(b)-beta-methylantirhine ( 12), and N(b)-methylakuammidine ( 13). The four others, pseudoakuammigine N-oxide ( 4), akuammicine N-oxide ( 7),
W L, Hu, J P, Zhu, M, Hesse
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Oxindole alkaloids from Alstonia macrophylla

Phytochemistry, 1996
Abstract Two new oxindole alkaloids, Nb-demethylalstophyllal oxindole and alstonal, together with three known alkaloids, Nb-demethylalstophylline oxindole, alstonisine and talcarpine, have been isolated from the bark of Alstonia macrophylla.
Wah-Hun Wong, Pek-Boon Lim, Cheng-Hock Chuah   +2 more
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Indole alkaloids from Alstonia scholaris

Phytochemistry, 1987
Abstract A new indole alkaloid, alstonamine and a sitsirikine type indole alkaloid, rhazimanine, have been isolated from the leaves of Alstonia scholaris .
null Atta-Ur-Rahman, K.A. Alvi
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Alstonia angustifolia var. annamensis Monachino

2005
Published as part of Middleton, David J. & Regalado Jr, Jacinto C., 2005, Nomenclatural notes on species of Apocynaceae described from Cambodia, Laos and Vietnam, pp.
Middleton, David J., Regalado Jr, Jacinto C.   +1 more
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Alstonia

2022
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ChemInform Abstract: TERTIAERE ALKALOIDE AUS ALSTONIA SPECTABILIS UND ALSTONIA GLABRIFLORA (APOCYNACEAE)

Chemischer Informationsdienst, 1973
N. K. HART, S. R. JOHNS, J. A. LAMBERTON
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Alstonia scholaris

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