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2 results on '"Tatiana M. D. Goncalves"'

1. A tandem palladium-catalyzed Heck-lactonization through the reaction of ortho-iodophenols with β-substituted acrylates: synthesis of 4,6-substituted coumarins

Author

Alcides J. M. da Silva, Talita de A. Fernandes, Tatiana M. D. Goncalves, Rita de C. C. Carvalho, and Paulo R. R. Costa

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Base (chemistry), chemistry, Tandem, Organic Chemistry, Drug Discovery, chemistry.chemical_element, Organic chemistry, Biochemistry, Triethylamine, Palladium, Catalysis
Abstract

Coumarins were obtained in one pot through a palladium-catalyzed Heck-lactonization reaction involving ortho -iodophenols and methyl crotonate or a Z -enoate derived from d -mannitol. These reactions were investigated under different conditions and palladium sources. In the more interesting cases, coumarins were prepared in water, using triethylamine as base and 1 mol % of PdCl 2 as catalyst.

Published
2008
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2. ChemInform Abstract: A Tandem Palladium-Catalyzed Heck-Lactonization Through the Reaction of ortho-Iodophenols with β-Substituted Acrylates: Synthesis of 4,6-Substituted Coumarins

Author

Alcides J. M. da Silva, Paulo R. R. Costa, Talita de A. Fernandes, Rita de C. C. Carvalho, and Tatiana M. D. Goncalves

Subjects
chemistry.chemical_classification, chemistry.chemical_compound, Tandem, Base (chemistry), Chemistry, chemistry.chemical_element, General Medicine, Triethylamine, Medicinal chemistry, Catalysis, Palladium
Abstract

Coumarins were obtained in one pot through a palladium-catalyzed Heck-lactonization reaction involving ortho -iodophenols and methyl crotonate or a Z -enoate derived from d -mannitol. These reactions were investigated under different conditions and palladium sources. In the more interesting cases, coumarins were prepared in water, using triethylamine as base and 1 mol % of PdCl 2 as catalyst.

Published
2008
Full Text
View/download PDF

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