Search Results - "Lopes, Lucia M.X."

Biosynthesis of antimalarial lignans from Holostylis reniformis by Messiano, Gisele B., da Silva, Tito, Nascimento, Isabele R., Lopes, Lucia M.X.

“…Radiolabelled precursor administrated experiments showed that lignans from Holostylis reniformis are derived from isoeugenol and that H. reniformis exhibits…”
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Aporphine and bisaporphine alkaloids from Aristolochia lagesiana var. intermedia by Ferreira, Marcia L.R., de Pascoli, Inara C., Nascimento, Isabele R., Zukerman-Schpector, Julio, Lopes, Lucia M.X.

“…Corydines and analogous aporphine alkaloids were isolated from Aristolochia lagesiana var. intermedia, together with three bisaporphine salts. Their structures…”
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Tetraflavonoid and biflavonoids from Aristolochia ridicula by Machado, Marcos B., Lopes, Lucia M.X.

“…Biflavones, a chalcone–flavone, and a tetraflavonoid with a new carbon skeleton were isolated from the leaves of Aristolochia ridicula. Their structures were…”
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Aryltetralol and aryltetralone lignans from Holostylis reniformis by da Silva, Tito, Lopes, Lucia M.X.

“…Aryltetralol and aryltetralone lignans were isolated from the hexane extracts of the roots of Holostylis reniformis. The structures of these compounds were…”
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A new tropane alkaloid and other constituents of Erythroxylum rimosum (Erythroxylaceae) by Ribeiro, Erika M. de O., Lima, Luciano S., David, Jorge M., Vale, Ademir E. do, Lopes, Lucia M.X., David, Juceni P.

“…A new tropane alkaloid, named the 7β-acetoxy-3β,6β-dibenzoyloxytropane (1), besides known flavonoids and triterpenoids were isolated from the leaves of…”
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Aryltetralone lignans and 7,8-seco-lignans from Holostylis reniformis by da Silva, Tito, Lopes, Lucia M.X

“…Aryltetralone lignans and two 7,8-seco-lignans were isolated from the acetone and hexane extracts of the roots of Holostylis reniformis, together with…”
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Diterpene esters of aristolochic acids from Aristolochia pubescens by Nascimento, Isabele R, Lopes, Lucia M.X

“…From the acetone and ethanol extracts of the tubercula of Aristolochia pubescens, two diterpene esters of aristolochic acids were isolated, together with 23…”
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Tetrahydroisoquinoline alkaloids and 2-deoxyribonolactones from Aristolochia arcuata by Francisco, Maurı́cio C, Nasser, Ana Lucia M, Lopes, Lucia M.X

“…2-Deoxyribonolactones and four tetrahydroisoquinoline alkaloids were isolated from the acetone extract of the leaves of Aristolochia arcuata Mast., together…”
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Rearranged (4→2)- abeo-clerodane and clerodane diterpenes from Aristolochia chamissonis by Bomm, Mauro D, Zukerman-Schpector, J, Lopes, Lucia M.X

“…From stems of Aristolochia chamissonis Duch., five new diterpenes, one rearranged (4→2)- abeo-clerodane and four ent-clerodanes, were isolated. Their…”
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Bi- and tetraflavonoids from Aristolochia ridicula by CARNEIRO, Fernando J. C, BORALLE, Nivaldo, SILVA, Dulce H. S, LOPES, Lucia M. X

“…From stems of Aristolochia ridicula, two biflavones, four unusual chalcone-flavone dimers and one tetraflavonoid were isolated. The structures of the seven…”
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Erratum to “2,3-Dihydrobenzofuran neolignans from Aristolochia pubescens” : [ Phytochemistry 52 (1999) 345–350] by Nascimento, Isabele R, Lopes, Lucia M.X

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Antiplasmodial Natural Products by Nogueira, Cláudio R., Lopes, Lucia M. X.

“…Malaria is a human infectious disease that is caused by four species of Plasmodium. It is responsible for more than 1 million deaths per year. Natural products…”
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Eichhornia crassipes: An advantageous source of shikimic acid by Cardoso, Sthephanie F., Lopes, Lucia M.X., Nascimento, Isabele R.

“…The water hyacinth (Eichhornia crassipes (Mart.) Solms, Pontederiaceae) is considered as one of the most productive plants on earth, and an aquatic weed, which…”
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Phenylethylpyranone and Aristolochic Acid Derivatives from Aristolochia urupaensis by Holzbach, Juliana, Nascimento, Isabele, Lopes, Lucia

“…A new pyranone, (S)-2-(4-hydroxyphenylethyl)-6-methyl-2,3-dihydro-4H-pyran-4-one, with unusual carbon skeleton, and three new aristolochic acid derivatives…”
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Alkaloids from Aristolochia arcuata by Watanabe, Lilian Y, Lopes, Lucia M.X

“…Phytochemical studies with Aristolochia arcuata led to the isolation of KNO 3, fructose, sucrose, sitosterol, calarene, its 2-oxo derivative, and three…”
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Chemical Composition, Antiprotozoal and Cytotoxic Activities of Indole Alkaloids and Benzofuran Neolignan of Aristolochia cordigera by Pereira, Marcos D P, da Silva, Tito, Aguiar, Anna Caroline C, Oliva, Glaucius, Guido, Rafael V C, Yokoyama-Yasunaka, Jenicer K U, Uliana, Silvia R B, Lopes, Lucia M X

“…This is a comparative study on the intraspecific chemical variability of species, collected in two different regions of Brazil, Biome Cerrado (semiarid) and…”
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Aristolactams and Alkamides of Aristolochia gigantea by Holzbach, Juliana C, Lopes, Lucia M X

“…A new aristolactam, aristolactam 9-O-β-D-glucopyranosyl-(1→2)-β-D-glucoside, and two alkamides, N-cis- and N-trans-p-coumaroyl-3-O-methyldopamine, were…”
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Evaluation of Insecticidal Activity of Diterpenes and Lignans from Aristolochia malmeana against Anticarsia gemmatalis by Messiano, Gisele B, Vieira, Leandro, Machado, Marcos B, Lopes, Lucia M. X, de Bortoli, Sergio A, Zukerman-Schpector, Julio

“…The insecticidal activity of hexane extracts from the roots and leaves of Aristolochia malmeana was evaluated against Anticarsia gemmatalis larvae by topical…”
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Nitro derivatives and other constituents of Aristolochia melastoma by Nogueira, Cláudio R., Lopes, Lucia M. X.

“…A phytochemical study of Aristolochia melastoma Manso has led to the isolation and identification of 20 known compounds, including aristolochic acids, sodium…”
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4,5-seco-guaiane and a nine-membered sesquiterpene lactone from Holostylis reniformis by Pereira, Marcos D P, da Silva, Tito, Lopes, Lucia M X, Krettli, Antoniana U, Madureira, Lucas S, Zukerman-Schpector, Julio

“…Root extracts of Holostylis reniformis (Aristolochiaceae) yielded three new natural sesquiterpenes, a sesquiterpene with an unusual carbon skeleton,…”
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