Search Results - "Pilli, A."

Total Synthesis and Structural Validation of Phosdiecin A via Asymmetric Alcohol-Mediated Carbonyl Reductive Coupling by Della-Felice, Franco, Sarotti, Ariel M, Krische, Michael J, Pilli, Ronaldo A

“…The first total synthesis and structural validation of phosdiecin A was accomplished in 13 steps through asymmetric iridium-catalyzed alcohol-mediated carbonyl…”
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Catalytic Enantioselective Allylations of Acetylenic Aldehydes via 2‑Propanol-Mediated Reductive Coupling by Brito, Gilmar A, Della-Felice, Franco, Luo, Guoshun, Burns, Alexander S, Pilli, Ronaldo A, Rychnovsky, Scott D, Krische, Michael J

“…Cyclometalated π-allyliridium C,O-benzoates modified by (S)-SEGPHOS or (S)-Cl,OMe-BIPHEP catalyze enantioselective 2-propanol-mediated reductive couplings of…”
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Antiproliferative Flavanoid Dimers Isolated from Brazilian Red Propolis by Banzato, Thais P, Gubiani, Juliana R, Bernardi, Darlon I, Nogueira, Cláudio R, Monteiro, Afif F, Juliano, Fernanda F, de Alencar, Severino M, Pilli, Ronaldo A, Lima, Carolina A. de, Longato, Giovanna B, Ferreira, Antonio G, Foglio, Mary Ann, Carvalho, João E. de, Vendramini-Costa, Débora B, Berlinck, Roberto G. S

“…Herein reported are results of the chemical and biological investigation of red propolis collected at the Brazilian Northeast coastline. New propolones A–D…”
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Synthesis and Anticholinesterase Evaluation of Cassine, Spectaline and Analogues by Silva, Marcela C. R., Vilela, Adriana F. L., Cardoso, Carmen L., Pilli, Ronaldo A.

“…In this work, twelve analogues of piperidine alkaloids (-)-cassine and (-)-spectaline were synthesized, as well as the racemic forms of these natural products…”
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Integrated Batch and Continuous Flow Process for the Synthesis of Goniothalamin by Pastre, Julio C, Murray, Philip R. D, Browne, Duncan L, Brancaglion, Guilherme A, Galaverna, Renan S, Pilli, Ronaldo A, Ley, Steven V

“…An integrated batch and continuous flow process has been developed for the gram-scale synthesis of goniothalamin. The synthetic route hinges upon a telescoped…”
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Karstic and alluvial aquifers: a conceptual model for the plain – Prealps system (northeastern Italy) by Pilli, A., Sapigni, M., Zuppi, G.M.

“…► We reconstructed a 3D model of the hydrogeological system pre-Alps – plain. ► A karstic system connects carbonatic series buried in the plain to the…”
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Organic Synthesis: New Vistas in the Brazilian Landscape by Pilli, Ronaldo A, Assis, Francisco F DE

“…In this overview, we present our analysis of the future of organic synthesis in Brazil, a highly innovative and strategic area of research which underpins our…”
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Styryl lactones and their derivatives: biological activities, mechanisms of action and potential leads for drug design by de Fátima, A, Modolo, L V, Conegero, L S, Pilli, R A, Ferreira, C V, Kohn, L K, de Carvalho, J E

“…Nature is an inexhaustible source of natural compounds with interesting biological activities. In general, natural products are an important source of new…”
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Enantioselective total synthesis of (+)-lyngbyabellin M by Pirovani, Rodrigo V, Brito, Gilmar A, Barcelos, Rosimeire C, Pilli, Ronaldo A

“…Lyngbyabellin M is a non-ribosomal peptide synthetase/polyketide synthase derived metabolite isolated from the cyanobacterium M. bouillonii displaying thiazole…”
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Enantioselective Total Syntheses of (+)-Arborescidine A, (−)-Arborescidine B, and (−)-Arborescidine C by Santos, Leonardo S, Pilli, Ronaldo A, Rawal, Viresh H

“…Described are the first enantioselective total syntheses of (+)-arborescidine A ((+)-1), (−)-arborescidine B ((−)-2), and (−)-arborescidine C ((−)-3), via…”
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Near-Infrared Fluorescent Micelles from Poly(norbornene) Brush Triblock Copolymers for Nanotheranostics by Braga, Carolyne B, Pilli, Ronaldo A, Ornelas, Catia, Weck, Marcus

“…This contribution describes the design and synthesis of multifunctional micelles based on amphiphilic brush block copolymers (BBCPs) for imaging and selective…”
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Cascade cyclization triggered by imine formation. Formal synthesis of the alkaloid (±)-stemoamide and its 9a-epimer by Brito, Gilmar A., Sarotti, Ariel M., Wipf, Peter, Pilli, Ronaldo A.

“…[Display omitted] •A 5-step formal synthesis of (±)-Stemoamide is described.•A cascade cyclization mediated by imine formation features as the key step.•A…”
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Visible-Light-Activated Catalytic Enantioselective β‑Alkylation of α,β-Unsaturated 2‑Acyl Imidazoles Using Hantzsch Esters as Radical Reservoirs by de Assis, Francisco F, Huang, Xiaoqiang, Akiyama, Midori, Pilli, Ronaldo A, Meggers, Eric

“…An efficient and practical method for the enantioselective β-functionalization of α,β-unsaturated 2-acyl imidazoles is described. The method uses a previously…”
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Cytotoxic activity of ( S)-goniothalamin and analogues against human cancer cells by de Fátima, Ângelo, Kohn, Luciana K., de Carvalho, João Ernesto, Pilli, Ronaldo A.

“…( R)- and ( S)-Goniothalamin ( 1) and analogues 2– 9 were efficiently prepared in high overall yield and enantiomeric purity, and their cytotoxic activities…”
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(-)-Tarchonanthuslactone exerts a blood glucose-increasing effect in experimental type 2 diabetes mellitus by de Souza, Gabriela F P, Novaes, Luiz F T, Avila, Carolina M, Nascimento, Lucas F R, Velloso, Licio A, Pilli, Ronaldo A

“…A number of studies have proposed an anti-diabetic effect for tarchonanthuslactone based on its structural similarity with caffeic acid, a compound known for…”
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Preferential Mitochondrial Localization of a Goniothalamin Fluorescent Derivative by Raitz, Ismael, de Souza Filho, Roberto Y, de Andrade, Lorena P, Correa, Jose R, Neto, Brenno A. D, Pilli, Ronaldo A

“…A fluorescent 2,1,3-benzothiadiazole-containing goniothalamin derivative, BTD−GTN (1), has been synthesized and successfully tested in bioimaging experiments…”
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Enhanced Synergistic Efficacy Against Breast Cancer Cells Promoted by Co-Encapsulation of Piplartine and Paclitaxel in Acetalated Dextran Nanoparticles by Braga, Carolyne Brustolin, Perli, Gabriel, Fonseca, Rafael, Grigolo, Thiago Augusto, Ionta, Marisa, Ornelas, Catia, Pilli, Ronaldo A.

“…Malignant breast tumors constitute the most frequent cancer diagnosis among women. Notwithstanding the progress in treatments, this condition persists as a…”
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Electrochemical Multicomponent Synthesis of Alkyl Alkenesulfonates using Styrenes, SO 2 and Alcohols by de A Bartolomeu, Aloisio, Breitschaft, Florian A, Schollmeyer, Dieter, Pilli, Ronaldo A, Waldvogel, Siegfried R

“…A novel electrochemical approach to access alkyl alkenesulfonates via a multicomponent reaction was developed. The metal-free method features easy-to-use SO…”
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SIMETRIA MOLECULAR E REAçõES DE DESSIMETRIZAçãO EM SíNTESE ORGâNICA by Bruno Matos Paz, Emilio C. de Lucca Júnior, Ronaldo A. Pilli

“…MOLECULAR SYMMETRY AND DESYMMETRIZATION REACTIONS IN ORGANIC SYNTHESIS. Molecular Symmetry has found several applications in Organic Chemistry. The aim of this…”
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Electrochemical Multicomponent Synthesis of Alkyl Alkenesulfonates using Styrenes, SO2 and Alcohols by A. Bartolomeu, Aloisio, Breitschaft, Florian A., Schollmeyer, Dieter, Pilli, Ronaldo A., Waldvogel, Siegfried R.

“…A novel electrochemical approach to access alkyl alkenesulfonates via a multicomponent reaction was developed. The metal‐free method features easy‐to‐use SO2…”
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