Indole Alkaloids
Two fast screening methods (GC-MS and TLC-ChEI assay) for rapid evaluation of potential anticholinesterasic indole alkaloids in complex mixtures
... isolated alkaloids from Tabernaemontana ...monoterpenic indole alkaloids were identified (Table II and ...minor alkaloids with iboga, voacanga and sarpagan skeletons were also ...
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Indole alkaloids from species of the Aspidosperma (Apocynaceae) genus.
... INDOLE ALKALOIDS FROM SPECIES OF THE Aspidosperma (Apocynaceae) ...these alkaloids, the description of the chemical diversity in genus Aspidosperma is ...carbolinic alkaloids isolated from ...
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Indole alkaloids from the bark of Aspidosperma vargasii and A. desmanthum.
... 16 A presença de alcaloides indólicos nas duas espécies em estudo já era esperada, uma vez que as espécies de Aspidosperma são caracterizadas pela ocorrência frequente de subst[r] ...
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Cloning of a peroxidase enzyme involved in the biosynthesis of pharmaceutically active terpenoid indole alkaloids in Catharanthus roseus (L.) G. Don
... In order to find out if the presence of the CRPRX1 protein in mesophyll cells was related with the capacity of cells to produce AVLB, we studied the alkaloid profiles and CRPRX1 levels during leaf development. For this, ...
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Cytotoxicity and genotoxicity of coronaridine from Tabernaemontana catharinensis A.DC in a human laryngeal epithelial carcinoma cell line
... an indole group that characterizes their ...2002). Indole alkaloids purified from other Tabernaemontana species presented cytotoxic activity against both vincristine-sensitive (KB/S) and -resistant ...
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Braz. J. Pharm. Sci. vol.51 número1
... Indole alkaloids are well known due to their extensive biological importance (Inman, Moody, 2013; Yar et ...containing indole skeleton were also found to be the dual binding site AChE inhibitors, ...
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Análise química e biológica dos alcalóides de aspidosperma ramiflorum Muell. Arg....
... WENKERT, E.; CHANG, C.-J.; CHAWLA, H.P.S.; COCHRAN, D.W.; HAGAMAN, E.W.; KING, J.C.; ORITO, K. General methods of synthesis of indole alkaloids. 14. Short routes of construction of yohimboid and ...
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A promoter region that controls basal and elicitor-inducible expression levels of the NADPH: cytochrome P450 reductase gene (Cpr) from Catharanthus roseus binds nuclear factor GT-1
... Abstract NADPH:cytochrome P450 reductase (CPR) is essential for the activation of cytochrome P450 enzymes, which are involved in a wide variety of metabolic pathways in plants, including those related to defence ...
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Rev. bras. farmacogn. vol.18 número1
... (indole alkaloids, iridoids, triterpenes and anthraquinones) is remarkably distinctive (Young et ...controversy. Indole terpene alkaloids isolated in this study corroborated the ...
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J. Braz. Chem. Soc. vol.20 número4
... plumeran indole alkaloids (1-10), whose structures are shown in Figure ...plumeran indole alkaloids, aspidospermidine (3), demethoxypalosine (4), aspidocarpine (5), aspidolimine (6), ...
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Agrobacterium-mediated transformation of the terpenoid indole alkaloid-producing plant species Tabernaemontana pandacaqui
... Abstract Plants of the Apocynaceae family produce a wide range of terpenoid indole alkaloids (TIAs) which have important pharmaceutical applications. Studies of the molecular mechanisms controlling TIA ...
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Alkaloids, Coumarins and Lignans from Haplophyllum Species
... obtained alkaloids, coumarins and lignans, that those are dictamnine (11), γ-fagarine (2), robustine (62), haplopine (63), and skimmianine (5) together with two coumarins scopoletin (70), umbelliferone (71), and ...
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The New Alkaloids from Antidesma cuspidatum M.A.
... Abstract: Two new alkaloids, cuspidatin (1) and cuspidatinol (2), were isolated from Antidesma cuspidatum M.A. (Euphorbiaceae). The structures were determined by means of spectroscopic analysis (IR, MS, and NMR ...
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J. Braz. Chem. Soc. vol.16 número3B
... Three new guaiane-type sesquiterpene alkaloids, muscicapine A (1), muscicapine B (2), and muscicapine C (3) were isolated from the roots of Croton muscicapa. The structures were established by analysis of ...
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Alkaloids of root barks of Zanthoxylum spp.
... and alkaloids dihydrochelerythrine, chelerythrine, anorttianamide, cis-N-methyl-canadine, predicentine, 2, 3-methylenedioxy-10,11-dimethoxy-tetrahydro ...of alkaloids dihydrochelerythrine, anorttianamide, ...
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Indolopyridoquinazoline alkaloids from Esenbeckia grandiflora mart. (Rutaceae).
... INDOLOPYRIDOQUINAZOLINE ALKALOIDS FROM Esenbeckia grandilora ...β-indolopyridoquinazoline alkaloids from the leaves (rutaecarpine, 1-hydroxyrutaecarpine) and roots (euxylophoricine D) were isolated for the ...
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Coumarins and alkaloids from Rauia resinosa (rutaceae).
... AND ALKALOIDS FROM Rauia resinosa ...the alkaloids: N-methyl-4-methoxy-2-quinolone (8), mirtopsine (9), dictamine (10), γ-fagarine (11), skimmianine (12), Z-dimethylrhoifolinate (13), zantodioline (14), ...
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Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting
... of alkaloids was done by Gas Chromatography- Mass ...of alkaloids was confirmed by comparing the mass spectral data with those of authentic compounds and with data obtained from the ...
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Metabolism of alkaloids in coffee plants
... Biosynthesis of purine alkaloids: The xanthine skeleton of caffeine is derived from purine nucleotides. Xanthosine is the initial purine compound in the caffeine biosynthetic pathway, acting as a substrate for a ...
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ALKALOIDS AND ACETOGENINS IN ANNONACEAE DEVELOPMENT: BIOLOGICAL CONSIDERATIONS
... The characteristic and dramatic changes between the drought and rainy seasons in the Tropical Deciduous Forest suggest additional ecological implications for the production of alkaloids by plants such as A. ...
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