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Paulo R. R. Costa

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2013 - Brazilian Meeting on Organic Synthesis 2013 (15th BMOS)

Abstract - Open Access

Synthesis of Aza-Pterocarpan Analogues via 1,3 Intramolecular Dipolar Cycloadditions in in situ generated Iminoolefins

C.F.Barcellos, Julio; Dias, Ayres G.; Sansano, José M.; Nájera, Carmen; Costa, Paulo R. R.

PDF - p-307-307
Abstract - Open Access

Preparation of 5-Deoxypterocarpens by a-Arylation of Tetralones with o-Bromo-methoxyarenes Followed by BBr3 Mediated Cyclization

Fernandes, Talita de A.; Domingos, Jorge L. O.; Rocha, Luiza I. A. da; Medeiros, Sabrina de; Nájera, Carmen; Costa, Paulo R. R.

PDF - p-301-301
Abstract - Open Access

New Aza-pterocarpan Analogues by Intramolecular 1,3-Dipolar Cycloaddition in in situ generated nitroneolefins

Barcellos, Julio C. F.; Dias, Ayres G.; Costa, Paulo R. R.

PDF - p-187-187
Abstract - Open Access

Coumarins and Neoflavones: Synthesis and HCV NS5B Polymerase Inhibition

Moraes, Paula de F. de; Leão, Raquel A. C.; Nichols, Daniel Brian; Basu, Amartya; Chudayeu, Maksim; Talele, Tanaji T.; Kaushik-Basu, Neerja; Costa, Paulo R. R.

PDF - p-164-164
Abstract - Open Access

Synthesis of 11a - Aza-5-deoxi-pterocarpans Via Palladium Aza-arylation of Dihydronaphtalen by Orto-iodoanilines Derivatives

Buarque, Camilla D.; Fraga, Kevin C. de; Costa, Paulo R. R.

PDF - p-118-118
Abstract - Open Access

Studies on the use of Poliethyleneglicol (PEG) in Heck Oxyarylation Reaction for the Synthesis of Deoxy Pterocarpans and Analogs

Moraes, Paula de F. de; Gaspar, Francisco V.; Leão, Raquel A. C.; Costa, Paulo R. R.

PDF - p-42-42
2013 - Brazilian Meeting on Organic Synthesis 2011 (14th BMOS)

Abstract - Open Access

Improved procedure for the a-Arylation of chromanones by O-Protected ortho-Bromophenols

Domingos, Jorge L. O.; Alonso, Diego; Nájera, Carmem; Costa, Paulo R. R.

PDF - p-93-93
Abstract - Open Access

New Palladacycles Derived Acylhydrazones and Hydrazones as Pre-catalyst in Mirozoki-Heck Coupling and Oxyarylations

Pinho, Vagner D.; Leão, Raquel Ana. C.; Coelho, Arthur Serpa; Kümmerle, Arthur Eugen; Costa, Paulo R. R.

PDF - p-72-72
Abstract - Open Access

Synthesis of Coumarins Through Zinc Chloride-Catalyzed Hydroarylation of Acetylenic Esters by Phenols

Leão, Raquel A. C.; Moraes, Paula de F. de; Pedro, Marcella C. B. C.; Costa, Paulo R. R.

PDF - p-72-72
Abstract - Open Access

Enantioselective Conjugate Addition of Aldehydes and Ketones to Maleimides Catalyzed by a Chiral Bifunctional Nbenzoimidazol- cyclohexanediamine

Fernandes, Talita de A.; Alonso, Diego A.; Nájera, Carmen; Costa, Paulo R. R.

PDF - p-71-71
Abstract - Open Access

Palladium catalyzed Heck-lactonization from orthoiodophenols and enoates: Synthesis of coumarins and the study of the mechanism by electrospray ionization mass spectrometry

Fernandes, Talita de A.; Vaz, Boniek Gontijo; Eberlin, Marcos N.; Silva, Alcides J. M. da; Costa, Paulo R. R.

PDF - p-71-71
Abstract - Open Access

Palladium Catalyzed Heck Oxyarylation in Lawsone Derivatives

Frota, Lívia C. R. M. da; Ramalho, Larissa B.; Silva, Alcides J. M. da; Costa, Paulo R. R.

PDF - p-35-35