ochrosia glomerata/alkaloid

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A new monoterpenoid indole alkaloid from Ochrosia elliptica.

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A new monoterpenoid indole alkaloid, 10-methoxyakuammidine (1), together with four known alkaloids (2-5), were isolated from the stems and leaves of Ochrosia elliptica. The structure of 1 was elucidated by extensive spectroscopic methods and the known compounds were identified by comparisons with

Epchrosine - a new indole alkaloid isolated from plant cell cultures of Ochrosia elliptica Labill.

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From plant cell suspension cultures of Ochrosia elliptica Labill. an indole alkaloid of the apparicine type has been isolated, which is not known to occur in differentiated plants. The structure of the new compound, named epchrosine, was established by UV, MS and high resolution two-dimensional (1)H

Alkaloids from the Australian rainforest tree Ochrosia moorei.

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High-throughput screening of a plant and marine invertebrate extract library to find natural products that down-regulate expression of pro-inflammatory genes associated with the glucocorticoid receptor ligand complex led to the identification of bioactive CH2Cl 2 extracts from stems and leaves of

Ochroborbone, A New Cytotoxic Indole Alkaloid from Ochrosia borbonica.

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A new monoterpenoid indole alkaloid, ochroborbone (1), along with five known alkaloids (2-6), were isolated from the stems and leaves of Ochrosia borbonica. Among them, ochroborbone (1) is a rare C17-nor monoterpenoid indole alkaloid, and the known compounds (2-6) were isolated from Ochrosia for the

Ochroborbone, A New Cytotoxic Indole Alkaloid from Ochrosia borbonica.

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Two new monoterpenoid indole alkaloids from the leaves and twigs of Ochrosia borbonica.

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Two new monoterpenoid indole alkaloids, ochrobonines A (1) and B (2), together with five known compounds (3-7), were isolated from the leaves and twigs of Ochrosia borbonica. Their structures were determined by spectroscopic method, and the absolute configuration of compound 3 was first established

Oppositinines A and B: new vasorelaxant beta-carboline alkaloids from Neisosperma oppositifolia.

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A phytochemical study on the bark of Neisosperma oppositifolia (Apocynaceae) yielded two new beta-carboline indole alkaloids, oppositinines A (1) and B (2), together with five known alkaloids, isoreserpiline, isocarapanaubine, vobasine, 10-methoxydihydrocorynantheol-N-oxide, and ochropposinine

[Highlights from 43 years of chemistry of naturally occurring nitrogen-containing heterocycles. (1). Syntheses and structure determinations of benzo[a]quinolizidine-type and indolo[2,3-a]quinolizidine-type alkaloids isolated from several plants].

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Nineteen benzo[a]quinolizidine alkaloids (1-19) isolated so far from Alangium plants can be classified into four types (I-IV) according to their chemical structures. Studies on racemic and chiral syntheses of these I-IV-type alkaloids are reviewed with particular emphasis on the strategies and

New indole alkaloids from the roots of Ochrosia acuminata.

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Two new indole alkaloids, polyneuridine-N-oxide (1) and 17-hydroxy-10-methoxy-yohimbane (2), together with seven known alkaloids were isolated from the roots of Ochrosia acuminata collected in Savu, Indonesia. 9-Methoxyellipticine (3) and ellipticine (4) were responsible for the antitumor activities

Pyridocarbazole alkaloids from Ochrosia borbonica: lipid-lowering agents inhibit the cell proliferation and adipogenesis of 3T3-L1 adipocyte via intercalating into supercoiled DNA.

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Bioassay-guided fractionation of an ethanolic extract of Ochrosia borbonica led to the isolation of two known pyridocarbazole alkaloids, ellipticine (1) and 9-methoxyellipticine (2), and six known monoterpenoid indole alkaloids (3-8). Lipid-lowering assay in 3T3-L1 cell model revealed that 1 and 2

Alkaloid Production by Ochrosia elliptica Cell Suspension Cultures.

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Ochrosia elliptica cell suspension cultures were obtained from callus cultures using an original «cell washing technique». These suspensions accumulated ellipticine, 9-methoxyellipticine, elliptinine, isoreserpiline, and reserpiline (a new alkaloid for this species) during the stationary growth

[Studies on non-alkaloid constituents from Ochrosia elliptica].

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The chemical consituents from Ochrosia elliptica were separated and purified by column chromatographies on silica gel, Sephadex LH-20, ODS and RP-HPLC. The structures of the isolated compounds were identified on the basis of physicochemical properties and spectroscopic analysis, as well as

[Plants of New Caledonia. 8. Alkaloids from the leaves of Ochrosia balansae. Apocynaceae].

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[Studies of plants containing Indole alkaloids. (4). Alkaloids in Ochrosia nakaiana Koidz].

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[Plants of New Caledonia. X. Alkaloids of the leaves of Ochrosia lifuana Guillaumin (Apocynacea)].

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