Search Results - "Lapis, Alexandre A.M."

Supported Ionic Liquid Enzymatic Catalysis for the Production of Biodiesel by Gamba, Muriell, Lapis, Alexandre A. M., Dupont, Jairton

“…Pseudomonas cepacia lipase supported in the 1‐n‐butyl‐3‐methylimidazolium bis(trifluoromethylsulfonyl)imide ionic liquid is an alternative “green” method for…”
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1- n-Butyl-3-methylimidazolium tetrachloro-indate ( BMI ⋅ InCl 4 ) as a media for the synthesis of biodiesel from vegetable oils by DaSilveira Neto, Brenno Amaro, Alves, Melquizedeque B., Lapis, Alexandre A.M., Nachtigall, Fabiane M., Eberlin, Marcos N., Dupont, Jaïrton, Suarez, Paulo A.Z.

“…The complex [Sn(3-hydroxy-2-methyl-4-pyrone) 2(H 2O) 2] immobilized in 1- n-butyl-3-methylimidazolium tetrachloro-indate ( BMI ⋅ InCl 4 ) ionic liquid forms an…”
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Studies on the Eschenmoser coupling reaction and insights on its mechanism. Application in the synthesis of Norallosedamine and other alkaloids by Neto, Brenno A.D., Lapis, Alexandre A.M., Bernd, Alinne B., Russowsky, Dennis

“…The conditions of the Eschenmoser coupling reaction were studied. The formation of the α-thioiminium ion was achieved faster in the presence of an additive…”
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Ionic Liquid Supported Acid/Base-Catalyzed Production of Biodiesel by Lapis, Alexandre A. M., de Oliveira, Luciane F., Neto, Brenno A. D., Dupont, Jairton

“…The transesterification (alcoholysis) reaction was successfully applied to synthesize biodiesel from vegetable oils using imidazolium‐based ionic liquids under…”
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On the use of 2,1,3-benzothiadiazole derivatives as selective live cell fluorescence imaging probes by Oliveira, Felipe F.D., Santos, Diego C.B.D., Lapis, Alexandre A.M., Corrêa, José R., Gomes, Alexandre F., Gozzo, Fabio C., Moreira, Paulo F., de Oliveira, Virgínia C., Quina, Frank H., Neto, Brenno A.D.

“…Newly designed 2,1,3-benzothiadiazole-containing fluorescent probes with four excited state intramolecular proton transfer (ESIPT) sites were successfully…”
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Asymmetric reduction of prochiral ketones using in situ generated oxazaborolidine derived from (1 S,2 S,3 R,4 R)-3-amino-7,7-dimethoxynorbornan-2-ol. An efficient synthesis of enantiopure ( R)-tomoxetine by Lapis, Alexandre A.M., de Fátima, Ângelo, Martins, José E.D., Costa, Valentim E.U., Pilli, Ronaldo A.

“…In this work, we report our results on the asymmetric reduction of prochiral aromatic and aliphatic ketones 3 , 5– 8 catalyzed by the novel in situ generated…”
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2,1,3-Benzothiadiazole and Derivatives: Synthesis, Properties, Reactions, and Applications in Light Technology of Small Molecules by Neto, Brenno A. D., Lapis, Alexandre A. M., da Silva Júnior, Eufrânio N., Dupont, Jairton

“…2,1,3‐Benzothiadiazole (BTD) is one of the most important nuclei used in the chemistry of photoluminescent compounds and applicable for light technology. The…”
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Functional chromophores synthesized via multicomponent Reactions: A review on their use as cell-imaging probes by Neto, Brenno A D, Sorto, Jenny E P, Lapis, Alexandre A M, Machado, Fabricio

“…This review aims to provide a comprehensive overview of recent advancements and applications of fluorescence imaging probes synthesized via MCRs…”
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What do we know about the ionic liquid effect in catalyzed multicomponent reactions?: A critical review by Neto, Brenno A.D., Rocha, Rafael O., Lapis, Alexandre A.M.

“…Several multicomponent reactions (MCRs) have been conducted with improved yields and selectivities when ionic liquids (ILs) were applied as the catalysts or…”
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Recent developments in the chemistry of deoxyribonucleic acid (DNA) intercalators: principles, design, synthesis, applications and trends by Neto, Brenno A D, Lapis, Alexandre A M

“…In the present overview, we describe the bases of intercalation of small molecules (cationic and polar neutral compounds) in DNA. We briefly describe the…”
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Charge-Tagged Acetate Ligands As Mass Spectrometry Probes for Metal Complexes Investigations: Applications in Suzuki and Heck Phosphine-Free Reactions by Oliveira, Felipe F. D, dos Santos, Marcelo R, Lalli, Priscila M, Schmidt, Eduardo M, Bakuzis, Peter, Lapis, Alexandre A. M, Monteiro, Adriano L, Eberlin, Marcos N, Neto, Brenno A. D

“…An acetate anion bearing an imidazolium cation as its charge tag was reacted with M(OAc)2 complexes (where M = Ni, Cu, and Pd; in situ reaction) to form…”
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Intermolecular hydroamination and hydroarylation reactions of alkenes in ionic liquids by Lapis, Alexandre A.M., DaSilveira Neto, Brenno A., Scholten, Jackson D., Nachtigall, Fabiane M., Eberlin, Marcos N., Dupont, Jairton

“…Intermolecular hydroamination or hydroarylation reactions of norbornene and cyclohexadiene performed with catalytic amounts of Brönsted or Lewis acid in ionic…”
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New Sensitive Fluorophores for Selective DNA Detection by Neto, Brenno A. D, Lapis, Alexandre A. M, Mancilha, Fabiana S, Vasconcelos, Igor B, Thum, Caroline, Basso, Luiz A, Santos, Diógenes S, Dupont, Jaïrton

“…4,7-Disubstituted benzothiadiazoles containing 1-arylethynyl and 4-methoxyphenyl groups are selective photoluminescent “light up” probes to duplex DNA with…”
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Designed non-symmetrical 4,7-pi-extended-2,1,3-benzothiadiazole derivatives: Synthesis guided by DFT predictions by Lopes, Thiago O., da Silva Filho, Demétrio A., Lapis, Alexandre A. M., de Oliveira, Heibbe C. B., Neto, Brenno A. D.

“…A series of rationally designed, non‐symmetrical, 4,7‐π‐extended‐2,1,3‐benzothidiazole derivatives had their electronic and geometrical properties evaluated by…”
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Steady-state kinetics of indole-3-glycerol phosphate synthase from Mycobacterium tuberculosis by Czekster, Clarissa M., Neto, Brenno A.D., Lapis, Alexandre A.M., Dupont, Jairton, Santos, Diogenes S., Basso, Luiz A.

“…Indole-3-glycerol phosphate synthase (IGPS) catalyzes the irreversible ring closure of 1-( o-carboxyphenylamino)-1-deoxyribulose 5-phosphate (CdRP), through…”
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Nickel-containing di-charged imidazolium ligand with high crystalline organization. Interception and characterization of a transient carbene/cation species by Kuhn, Maria C.A., Lapis, Alexandre A.M., Machado, Giovanna, Roisnel, Thierry, Carpentier, Jean-François, Neto, Brenno A.D., Casagrande, Osvaldo L.

“…New nickel-containing di-charged imidazolium ligand was prepared by treatment of nickel chloride with bis-(2-(3-methylimidazolium-1-yl)ethyl)ether dichloride…”
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On the selective detection of duplex deoxyribonucleic acids by 2,1,3-benzothiadiazole fluorophores by Neto, Brenno A D, Lapis, Alexandre A M, Mancilha, Fabiana S, Batista, Jr, Eraldo L, Netz, Paulo A, Rominger, Frank, Basso, Luiz A, Santos, Diógenes S, Dupont, Jaïrton

“…A series of 4,7-pi-extended 2,1,3-benzothiadiazoles (BTDs) with different molecular architectures, in particular, the organic dyes based on the…”
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The catalytic mechanism of indole-3-glycerol phosphate synthase (IGPS) investigated by electrospray ionization (tandem) mass spectrometry by Czekster, Clarissa M., Lapis, Alexandre A.M., Souza, Gustavo H.M.F., Eberlin, Marcos N., Basso, Luiz A., Santos, Diógenes S., Dupont, Jaı¨rton, Neto, Brenno A.D.

“…The catalytic mechanism indole ring closure promoted by IGPS enzyme was studied by ESI mass spectrometry. An enzymatic reaction has been monitored by on-line…”
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An efficient synthesis of enantiopure (+)- and (−)-3- exo-amino-7,7-dimethoxynorbornan-2- exo-ols by Lapis, Alexandre A.M., Kreutz, Olyr C., Pohlmann, Adriana R., Costa, Valentim E.U.

“…We describe the synthesis of new amino alcohols (+)- and (−)-3- exo-amino-7,7-dimethoxynorbonan-2- exo-ols. The (+)- or…”
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