Search Results - "Silva, Ubiratan F."

Chemical composition and evaluation of prolyl oligopeptidase and acetylcholinesterase inhibitory activities of Leonurus Sibiricus L. from Brazil by Zachow, Lucimara L., Ávila, Janaína M., Saldanha, Geovane A., Mostardeiro, Marco A., da Silva, Ubiratan F., Morel, Ademir F., Dalcol, Ionara I.

“…Chemical investigation of the aerial parts of Leonurus sibiricus L. used in Brazilian folk medicine led to the identification of the following constituents:…”
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Ultrasound-assisted acid hydrolysis of cellulose to chemical building blocks: Application to furfural synthesis by Santos, Daniel, Silva, Ubiratan F., Duarte, Fabio A., Bizzi, Cezar A., Flores, Erico M.M., Mello, Paola A.

“…[Display omitted] •Ultrasound-assisted acid hydrolysis selectively produced furfural from cellulose.•Acoustic power, amplitude, sonication temperature and acid…”
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Phytochemical analysis of bark from Helietta apiculata Benth and antimicrobial activities by Fernandes, Tanize S., Copetti, Daniele, do Carmo, Gabriele, Neto, Alexandre T., Pedroso, Marcelo, Silva, Ubiratan F., Mostardeiro, Marco A., Burrow, Robert E., Dalcol, Ionara I., Morel, Ademir F.

“…Extraction and characterization of natural products from the bark of the trunk of Helietta apiculata Benth (Rutaceae) afforded nine alkaloids, eight…”
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Antimicrobial activity of Schinus lentiscifolius (Anacardiaceae) by Gehrke, Ilaine T.S., Neto, Alexandre T., Pedroso, Marcelo, Mostardeiro, Clarice P., Da Cruz, Ivana B.M., Silva, Ubiratan F., Ilha, Vinicius, Dalcol, Ionara I., Morel, Ademir F.

“…Schinus lentiscifolius Marchand (syn. Schinus weinmannifolius Engl) is a plant native to Rio Grande do Sul (Southern Brazil) and has been used in Brazilian…”
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Cyclic peptide alkaloids from the bark of Discaria americana by Giacomelli, Sandro R., Maldaner, Graciela, Gonzaga, Wellington A., Garcia, Claudia M., da Silva, Ubiratan F., Dalcol, Ionara I., Morel, Ademir F.

“…The isolation and structure determination of cyclic peptide alkaloids, discarine-M and discarine-N, along with seven known cyclic peptide alkaloids,…”
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Alkaloids from Melochia chamaedrys by Dias, Gilvan O C, Porto, Carla, Stüker, Caroline Z, Graessler, Vanessa, Burrow, Robert A, Dalcol, Ionara I, da Silva, Ubiratan F, Morel, Ademir F

“…Investigation of the chemical constituents from the roots of Melochia chamaedrys (Sterculiaceae) resulted in the isolation of two quinolinone alkaloids: a new…”
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Lanostane-type triterpenes from the fungal endophyte Scleroderma UFSMSc1 (Persoon) Fries by Morandini, Liziane M.B., Neto, Alexandre T., Pedroso, Marcelo, Antoniolli, Zaida I., Burrow, Robert A., Bortoluzzi, Adailton J., Mostardeiro, Marco A., da Silva, Ubiratan F., Dalcol, Ionara I., Morel, Ademir F.

“…Sclerodols A and B, two anticandidal lanostane triterpenoids, were isolated from the culture of the Eucalyptus grandis-derived from the fungal endophyte…”
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Chemical composition and antimicrobial activity of the essential oil from Aeolanthus suaveolens Mart. ex Spreng by Simionatto, Euclésio, Porto, Carla, Stüker, Caroline Z., Dalcol, Ionara I., Silva, Ubiratan F. da

“…The essential oils from leaves (sample A) and flowers (sample B) of Aeolanthus suaveolens Mart. ex Spreng were obtained by hydrodistillation and analyzed by…”
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Antibacterial cyclopeptide alkaloids from the bark of Condalia buxifolia by Morel, Ademir F, Araujo, Carla A, da Silva, Ubiratan F, Hoelzel, Solange C.S.M, Záchia, Renato, Bastos, Nelci R

“…The cyclopeptide alkaloid, named condaline-A, was isolated from the root bark of Condalia buxifolia Reissek (Rhamnaceae), along with the known compounds…”
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Cyclopeptide Alkaloids: Stereochemistry and Synthesis of the Precursors of Discarines C and D and Myrianthine A by Mostardeiro, Marco A, Ilha, Vinicius, Dahmer, Janice, Caro, Miguel S. B, Dalcol, Ionara I, da Silva, Ubiratan F, Morel, Ademir F

“…The stereochemistry of discarines C (1) and D (2) and myrianthine A (3), three cyclopeptide alkaloids isolated from Discaria febrifuga, was determined by a…”
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Cyclopeptide alkaloids from Scutia buxifolia Reiss and their antimicrobial activity by Morel, Ademir F., Maldaner, Graciela, Ilha, Vinicius, Missau, Fabiana, Silva, Ubiratan F., Dalcol, Ionara I.

“…The chemical investigation of the methanolic root bark extract of Scutia buxifolia Reiss (Rhamnaceae) afforded a cyclopeptide alkaloid named Scutianine M ( 1)…”
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(R)-(-)-carvone and (1R, 4R)-trans-(+)-dihydrocarvone from poiretia latifolia vogel by Porto, Carla, Stüker, Caroline Z., Mallmann, Anderson S., Simionatto, Euclesio, Flach, Adriana, Canto-Dorow, Tais do, Silva, Ubiratan F. da, Dalcol, Ionara I., Morel, Ademir F.

“…The essential oils of Poiretia latifolia Vogel, native and cultivated leaves (Samples A and B, respectively) and native flowers (sample C), were obtained by…”
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Synthesis and Chromatographic Evaluation of the new phase heptakis (3-O-pentafluoropropionyl-2,6-di-O-pentyl)-β-cyclodextrin by Mallmann, Anderson S., Ethur, Eduardo M., Silva, Ubiratan F. da, Dalcol, Ionara I., Morel, Ademir F.

“…In this work, a new chiral stationary phase heptakis (3-O-pentafluoropropionyl-2,6-di-O-pentyl)-β-cyclodextrin was synthesized and evaluated with a wide…”
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Phytochemical and antimicrobial study of Pilocarpus pennatifolius Lemaire by do Carmo, Gabriele, Fernandes, Tanize S., Pedroso, Marcelo, Ferraz, Adriano, Neto, Alexandre T., Silva, Ubiratan F., Mostardeiro, Marco A., Back, Davi F., Dalcol, Ionara I., Morel, Ademir F.

“…The investigation of the crude extract of leaves and bark of Pilocarpus pennatifolius Lemaire allowed isolated of a not yet described coumarin, together with…”
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Essential oil from Zanthoxylum hyemale by Simionatto, Euclésio, Porto, Carla, Dalcol, Ionara I, da Silva, Ubiratan F, Morel, Ademir F

“…The essential oils from aerial parts of young (sample A) and mature leaves (sample B), fruit (sample C), and flowers (sample D) of Zanthoxylum hyemale were…”
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Composition and antimicrobial activity of the essential oil from Aloysia sellowii by Simionatto, Euclésio, Porto, Carla, Silva, Ubiratan F. da, Squizani, Adriana M. C., Dalcol, Ionara I., Morel, Ademir F.

“…The essential oils obtained from aerial parts of Aloysia sellowii from two different collection locations Southern Brazil (A and B), were analyzed by GC,…”
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Chemical analysis and antifungal activity of the essential oil of Calea clematidea by Flach, Adriana, Gregel, Birget, Simionatto, Euclésio, da Silva, Ubiratan F, Zanatta, Nilo, Morel, Ademir F, Linares, Carlos E, Alves, Sydney H

“…The chemical composition of the essential oils of Calea clematidea Baker obtained by hydrodistillation of the leaves and flowers was analysed by GC and GC/MS…”
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A simple solid injection device for the analyses of Bulbophyllum (Orchidaceae) volatiles by da Silva, Ubiratan F, L. Borba, Eduardo, Semir, João, Marsaioli, Anita J

“…The volatile components of three orchid species ( Bulbophyllum weddellii, B. ipanemense and B. involutum) were detected using GC/MS. Due to the minute…”
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Cyclopeptides from the Bark of Discaria americana by GIACOMELLI, Sandro R., MISSAU, Fabiana C., MOSTARDEIRO, Marco A., DA SILVA, Ubiratan F., DALCOL, Ionara I., ZANATTA, Nilo, MOREL, Ademir F.

“…Two new cyclopeptides, named discarene C (1) and discarene D (2), have been isolated from the bark of Discaria americana, along with seven known cyclopeptide…”
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Cyclopeptides from the Bark of Discaria a mericana by Giacomelli, Sandro R, Missau, Fabiana C, Mostardeiro, Marco A, da Silva, Ubiratan F, Dalcol, Ionara I, Zanatta, Nilo, Morel, Ademir F

“…Two new cyclopeptides, named discarene C (1) and discarene D (2), have been isolated from the bark of Discaria americana, along with seven known cyclopeptide…”
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