Phytochemical Screening and Antibacterial Activity of Leaves Extract Balangla (Litsea cubeba (Lour) Pers.) from Malinau, East Borneo [PDF]
Balangla (Litsea cubeba) plant is used as traditional medicine by Dayak Kenyah tribe in East Kalimantan. It contains active compounds that are efficient to treat many human diseases and believed to have an antibacterial activity. The purposes of
Manurung, Hetty+2 more
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Intramolecular cyclization of b,b-difluorostyrenes bearing an iminomethyl or a diazenyl group at the ortho position: synthesis of 3-fluorinated isoquinoline and cinnoline derivatives [PDF]
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ICHIKAWA Junji+4 more
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Columbamine, the central intermediate in the late stages of protoberberine biosynthesis [PDF]
A specific methyltransferase which in the presence of S-adenosylmethionine [SAM] converts columbamine to palmatine has been demonstrated to occur in cell cultures.
Rüffer, Martina, Zenk, Meinhart H.
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Synthesis and structure - Activity relationship study of potent cytotoxic analogues of the marine alkaloid Lamellarin D [PDF]
The marine alkaloid, Lamellarin D (Lam-D), has shown potent cytotoxicity in numerous cancer cell lines, and was recently identified as a potent topoisomerase I inhibitor.
Albericio Palomera, Fernando+6 more
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Influence of Quaternary Benzophenantridine and Protopine Alkaloids on Growth Performance, Dietary Energy, Carcass Traits, Visceral Mass, and Rumen Health in Finishing Ewes under Conditions of Severe Temperature-humidity Index. [PDF]
Twenty Pelibuey×Katahdin ewes (35±2.3 kg) were used to determine the effects of the consumption of standardized plant extract containing a mixture of quaternary benzophenanthridine alkaloids and protopine alkaloids (QBA+PA) on growth performance, dietary
Aguilar-Hernández, A+9 more
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Biosynthesis of the protoberberine alkaloid jatrorrhizine [PDF]
Feeding experiments with distant single or doubly labelled precursors show that the methylene dioxy group of berberine is opened in the formation of ...
Beecher+8 more
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Regioselective reactions of 3,4-pyridynes enabled by the aryne distortion model. [PDF]
The pyridine heterocycle continues to play a vital role in the development of human medicines. More than 100 currently marketed drugs contain this privileged unit, which remains highly sought after synthetically. We report an efficient means to access di-
Garg, Neil K, Goetz, Adam E
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Stereochemical studies on protonated bridgehead amines. ^1H NMR determination of cis and trans B-C ring-fused structures for salts of hexahydropyrrolo [2,1-a] isoquinolines and related C ring homologs. Capture of unstable ring-fused structures in the solid state [PDF]
Acid-addition salts of tricyclic isoquinolines 2a/b, 3a/b, 4a-4c, 5, 6a/b, 7, 8a/b, 9a/b, and 17a/b were studied by high-field ^1H NMR in CDCl_3 solution.
Inners, Ruth R.+6 more
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Hepatotoxicity induced by greater celandine (Chelidonium majus L.): a review of the literature [PDF]
The available literature assessing Chelidonium majus L. (CM) hepatotoxicity potential, and its risk to benefit assessment has been reviewed in this paper.
Busardò, F. P+6 more
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Reaction of Group III Biheterocyclic Complexes [PDF]
Group III alkyl complexes supported by a ferrocene diamide ligand (1,1′-fc(NSitBuMe_2)_2) have been found to be reactive toward aromatic N-heterocycles such as 1-methylimidazole and pyridines.
Benitez, Diego+6 more
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