Search Results - "Imamura Paulo M."
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Coronarin D Induces Apoptotic Cell Death and Cell Cycle Arrest in Human Glioblastoma Cell Line
Published in Molecules (Basel, Switzerland) (09-12-2019)“…Glioblastoma (GBM) is the most frequent and highest-grade brain tumor in adults. The prognosis is still poor despite the use of combined therapy involving…”
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Resolução do ibuprofeno: um projeto para disciplina de química orgânica experimental
Published in Química Nova (2012)“…A practical and didactic sequence of experiments was proposed to illustrate the stereochemistry concept, optically active compounds, resolution of racemates,…”
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Clerodane-type diterpenes from the seed pods of Hymenaea courbaril var. stilbocarpa
Published in Phytochemistry (Oxford) (01-12-2001)“…Three known and two new diterpenes were isolated from the ethyl acetate extract of Hymenaea courbaril var. stilbocarpa seed pods. One of the compounds was…”
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13C and 1H NMR signal assignments of some new synthetic dehydroabietic acid derivatives
Published in Magnetic resonance in chemistry (01-04-2008)“…The 1H and 13C NMR signal assignments of a series of new synthetic derivatives of dehydroabietic acid are presented. Copyright © 2008 John Wiley & Sons, Ltd…”
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Synthesis of Ent-16-hydroxycleroda-4(18),13-dien-15,16-olide and Ent-cleroda-4(18),13-dien-15,16-olide from (+)-hardwickiic acid
Published in Journal of the Brazilian Chemical Society (01-04-2006)“…The absolute configurations of two natural diterpene butenolides were confirmed through the synthesis of ent-16-hydroxycleroda-4(18),13-dien-15,16-olide (2)…”
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Crystal structure of 1,1,3-trimethyl-2-(2-(2,2,6-trimethylcyclohexyl) ethyl)cyclohexane, C20H34
Published in Zeitschrift für Kristallographie. New crystal structures (01-03-2007)Get full text
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Synthesis of 16,18-Dihydroxycleroda-3,13Z-dien-16,15-olide, (+)-16-Hydroxycleroda-3,13Z-dien-16,15-olide, and (−)-Hydroxyhalima-5(10),13-dien-16,15-olide from (+)-Hardwickiic Acid
Published in Journal of natural products (Washington, D.C.) (01-12-2000)“…Syntheses of three enantiomers of natural hydroxybutenolide diterpenes, 16,18-dihydroxycleroda-3,13Z-dien-16,15-olide (4),…”
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Chemical transformation of abietic acid to new chiral derivatives
Published in Journal of the Brazilian Chemical Society (01-12-2003)“…Chemical transformations of the C-ring abietic acid (1a) for the preparation of some new chiral synthons are described. From the intermediate keto-aldehyde 9,…”
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Isolation and synthesis of a new clerodane from Echinodorus grandiflorus
Published in Phytochemistry (Oxford) (01-01-1999)“…A new clerodane derivative, (−)-16-hydroxycleroda-3,13-dien-16,15-olide-18-oic acid, (4a α,6 α,8a α)1-carboxy-5(…”
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Crystal structure of 1,1,3-trimethyl-2-(2-(2,2,6-trimethylcyclohexyl) ethyl)cyclohexane, C20H34
Published in Zeitschrift für Kristallographie. New crystal structures (01-03-2007)Get full text
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Síntese dos analgésicos paracetamol e fenacetina e do adoçante dulcina: um projeto para química orgânica experimental
Published in Química Nova (01-03-2003)Get full text
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A New ent-Clerodane Diterpene from Hymenaea courbaril var. altissima
Published in Journal of the Brazilian Chemical Society (01-06-2002)“…A new ent-clerodane and two known ent-labdanes were isolated from the barks of Hymenaea courbaril var. altissima (Ducke). The new diterpene was identified,…”
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Synthesis of ambergris odorant ent-ambrox
Published in ARKIVOC (29-09-2003)Get full text
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Biomarkers in Cretaceous sedimentary rocks from the Codó Formation - Parnaíba Basin: Paleoenvironmental assessment
Published in Journal of South American earth sciences (01-06-2019)“…Earlier geological works showed that Codó Formation - CF (Parnaíba Basin, Brazil) has been deposited in the Aptian, and suffered the influence of various…”
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Synthetic studies with Pinus elliottiis rosin derivatives. Oxidation of maleopimaric anhydride methyl ester and trimethyl fumaropimarate
Published in Journal of the Brazilian Chemical Society (01-01-2000)“…Ozonolysis of maleopimaric anhydride methyl ester in the presence of tetracyanoethylene led to an epoxide and an ozonide. Ozonolysis of the trimethyl…”
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Antiproliferative activity from Aldama arenaria (Baker) E. E. Schill. & Panero
Published in Boletín latinoamericano y del Caribe de plantas medicinales y aromáticas (01-01-2021)“…Chloroform extract (CE) and fractions obtained from Aldama arenaria roots were evaluated for their in vitro antiproliferative activity against 10 human tumor…”
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Isolation, structural identification and cytotoxic activity of hexanic extract, cyperenoic acid, and jatrophone terpenes from Jatropha ribifolia roots
Published in Revista brasileira de farmacognosia (01-05-2013)“…The cytotoxicity of a hexanic fraction produced from the ethanolic crude extract, obtained from Jatropha ribifolia (Pohl) Baill, Euphorbiaceae, roots was…”
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Absolute configuration of some dinorlabdanes from the copaiba oil
Published in Journal of the Brazilian Chemical Society (2009)“…A novel ent-dinorlabdane (-)-13(R)-14,15-dinorlabd-8(17)-ene-3,13-diol was isolated from commercial copaiba oil along with two known dinorlabdanes. The…”
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Absolute configuration of drim-9(11)-en-8-ol from Aspergillus oryzae
Published in Journal of organic chemistry (01-12-1986)Get full text
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