Search Results - "Lopes, Rosangela S. C."

Identification of source of a marine oil-spill using geochemical and chemometric techniques by Lobão, Marcio M., Cardoso, Jari N., Mello, Marcio R., Brooks, Paul W., Lopes, Claudio C., Lopes, Rosangela S.C.

“…► San Marcos bay (Maranhao, Brazil) contains small levels of petroleum hydrocarbons. ► Oil pollution in San Marcos bay is low-level but chronic. ► Aliphatic…”
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Which Ballast Water Management System Will You Put Aboard? Remnant Anxieties: A Mini-Review by William R. Batista, Flavio C. Fernandes, Claudio C. Lopes, Rosangela S. C. Lopes, Whitman Miller, Gregory Ruiz

“…An accepted solution to the environmental problems related to a ship’s ballast water has been the adoption and proper utilization of approved onboard ballast…”
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Synthetic lipids as a biocide candidate for disinfection of ballast water by Batista, William R., Fernandes, Flavio C., Neves, Maria H.C.B., Nascimento, Thiana S., Lopes, Rosangela S.C., Lopes, Claudio C., Ziegler, Gregory P., Soler-Figueroa, Brenda M., Sparks, Darrick, Fontaine, Diana N., Carney, Katharine J., Quiñones-Oquendo, Luz E., Ruiz, Gregory M.

“…The objective of this study is to propose the use of specific synthetic lipid as an active substance (biocide) in the control of harmful aquatic…”
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Preliminary study of insect attraction by a mixture of semiochemicals containing 1,2,4-Trimethoxybenzene in domestic citric-culture by Alves, Ana Paula L., C. Júnior, José Augusto B. de, Slana, Glaucia B. A., Cardoso, Jari N., Lopes, Rosangela S. C., Lopes, Claudio C.

“…In this work we describe a new efficient strategy for the preparation of 1,2,4-trimethoxybenzene (3) in 56% overall yield. The compound 3 was used in a…”
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Metodologias de síntese de 2-arilcicloexanonas by Santos, Roberto P., Amorim, Mauro B. de, Lopes, Rosangela S. C., Lopes, Claudio C.

“…Several methodologies concerning the preparation of 2-aryl and 2-heteroarylcyclohexanones are presented. The use of these intermediates in the synthesis of…”
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Total Synthesis of Altissimacoumarin D, a Small Molecule Sirtuin1 Activator by Silva, Anna, Benelkebir, Hanae, Lopes, Rosangela, Lopes, Claudio, Ganesan, A

“…The total synthesis of the plant natural product altissimacoumarin D was achieved by the Mitsunobu alkylation of isofraxidin by geraniol. Isofraxidin was…”
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THE SYNTHESIS OF GLYCEROPHOSPHOLIPIDS FOR USE AS A BOOSTER BIOCIDE IN ANTIFOULING COATINGS by Batista, William R., Neves, Maria H. C. B., Coutinho, Ricardo, Lopes, Cláudio C., Lopes, Rosangela S. C.

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Assessing Drug-Excipient Interactions in the Formulation of Isoniazid Tablets by Wollinger, Wagner, Silva, Raphael A. da, Nóbrega, Andréa B. da, Lopes, Rosangela S. C., Lopes, Claudio C., Slana, Glaucia B. C. A.

“…A suitable and efficient high-performance liquid chromatography (HPLC) method was developed for the simultaneous determination of tuberculostatic isoniazid and…”
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An efficient and concise total synthesis of the antimalarial alkaloid quindoline by Bastos, Dayse dos S., Silva, Anna C., Albert, André L.M., Barros, Wesley M.R., Slana, Glaucia B.C.A., Cardoso, Jari N., Lopes, Rosangela S.C., Lopes, Claudio C.

“…The preparation of the alkaloid quindoline (1) from indol (3) through a very direct synthetic approach is described in this work. Several successive…”
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Synthesis of Anthradan analogues by regioselective Friedel–Crafts reactions on N,N-dihexylanthracen-2-amine by de Miranda, Maicon G., de Oliveira, Matheus F.G., Lopes, Rosangela S.C., da Silva, Antonio J.R., Albert, André L.M., Lopes, Claudio C.

“…An efficient synthetic route using a Friedel–Crafts acylation approach was developed to obtain fluorophores such as…”
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GLICEROFOSFOLIPÍDIOS SINTÉTICOS PARA USO COMO ADITIVO BIOCIDA EM TINTAS ANTI‑INCRUSTANTE by William R. Batista, Maria H. C. B. Neves, Ricardo Coutinho, Cláudio C. Lopes, Rosangela S. C. Lopes

“…AbstractThis paper presents a technological innovation that uses a subclass of glycerophospholipids as a booster biocide in antifouling paint. These…”
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Uma nova síntese de alfa-bromo-acetofenonas e sua aplicação na obtenção de 2-benzoil-benzofuranas by Azevedo, Mariangela S., Alves, Ana Paula L., Alves, Glaucia B. C., Cardoso, Jari N., Lopes, Rosângela S. C., Lopes, Cláudio C.

“…alpha-Bromoacetophenones are important in organic synthesis. They have been widely used as precursors of several natural products. Several methods of…”
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Efficient synthesis of cytotoxic quinones: 2-Acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione (6) and (±)-2-(1-hydroxyethyl)-4H,9H-naphtho[2,3-b]furan-4,9-dione (7) by Lopes, Cláudio C., Lopes, Rosangela S. C., Pinto, Antonio V., Costa, Paulo R. R.

“…From the ethanol extract of the stem bark of Tabebuia cassinoides (Lam.) DC (Bignoniaceae), Kingston and Rao [1] isolated two new furonaphthoquinones 6 and 7…”
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Synthesis of Anthradan analogues by regioselective FriedelaCrafts reactions on N,N-dihexylanthracen-2-amine by de Miranda, Maicon G, de Oliveira, Matheus FG, Lopes, Rosangela SC, da Silva, Antonio JR, Albert, Andre LM, Lopes, Claudio C

“…An efficient synthetic route using a FriedelaCrafts acylation approach was developed to obtain fluorophores such as…”
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Synthesis of 1,2,4-Trimethoxybenzene and Its Selective Functionalization at C-3 by Directed Metalation by Alves, Ana P. L., Júnior, Jose Augusto B. C., Slana, Glaucia B. A., Cardoso, Jari N., Wang, Qiang, Lopes, Rosangela S. C., Lopes, Claudio C.

“…A new and efficient strategy was developed for the preparation of 1,2,4-trimethoxybenzene (3, a powerful attractant of Euglossini bees) and its C-3 derivatives…”
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Efficient synthesis of cytotoxic quinones: 2‐Acetyl‐4 H ,9 H ‐naphtho[2,3‐ b ]furan‐4,9‐dione ( 6 ) and (±)‐2‐(1‐hydroxyethyl)‐4 H ,9 H ‐naphtho[2,3‐ b ]furan‐4,9‐dione ( 7 ) by Lopes, Cláudio C., Lopes, Rosangela S. C., Pinto, Antonio V., Costa, Paulo R. R.

“…From the ethanol extract of the stem bark of Tabebuia cassinoides (Lam.) DC (Bignoniaceae), Kingston and Rao [1] isolated two new furonaphthoquinones 6 and 7…”
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STUDY OF THE PROTONATION/DEPROTONATION SEQUENCE OF TWO POLYAMINES: BIS-[(2S)-2-PYRROLIDINYLMETHYL] ETHYLENEDIAMINE AND SPERMIDINE BY 1H AND 13C NUCLEAR MAGNETIC RESONANCE by Alves da Silva, Jacqueline, Felcman, Judith, Lopes, Cláudio Cerqueira, Lopes, Rosângela S. C., Villar, José Daniel Figueroa

“…In this paper we describe the study of protonation/deprotonation of two polyamines: bis-[(2S)-2-pyrrolidinylmethyl]ethylenediamine (tetra) and spermidine…”
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STUDY OF THE PROTONATION/DEPROTONATION SEQUENCE OF TWO POLYAMINES: BIS-[(2S)-2-PYRROLIDINYLMETHYL] ETHYLENEDIAMINE AND SPERMIDINE BY 1 H AND 13 C NUCLEAR MAGNETIC RESONANCE by Alves da Silva, Jacqueline, Felcman, Judith, Lopes, Cláudio Cerqueira, Lopes, Rosângela S. C., Villar, José Daniel Figueroa

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