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Efficient and straightforward click synthesis of structurally related dendritic triazoles
(Royal Society of Chemistry, 2017-10)
A simple, rapid and efficient copper-catalyzed 1,3-dipolar cycloaddition reaction is described for the synthesis of a novel family of twelve triazolic dendrimers structurally related. The products were the result of the ...
Síntese e atividade antimalárica de derivados 1,2,3-triazólicos do lupeol
(Universidade Federal de Minas GeraisUFMG, 2013-07-19)
This manuscript reports on the isolation of lup-20(29)-en-3-ol (lupeol), a pentacyclic triterpene, from the stem bark of Parahancornia fasciculata (Poir.) Benoist (Apocynaceae) and its use as starting material for the ...
Estudio comparativo de SiO₂-60-Cu y SBA-15-Cu, como catalizadores en una reacción multicomponentes
(Universidad Autónoma Metropolitana (México). Unidad Azcapotzalco. División de Ciencias Básicas e Ingeniería., 2018)
Este estudio incide principalmente en la comparación de dos materiales de sílice amorfos con distintas propiedades texturales; la sílica comercial de maya 60 y el SBA-15, los cuales se modificaron vía impregnación húmeda ...
Preparação de um novo catalisador de cobre trocado em zeólita magneticamente recuperável para síntese de 1,2,3-triazóis 1,4-dissubstituídos
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2018-07-06)
The search for more sustainable methodologies has led in recent years to a significant increase in the development of more efficient heterogeneous catalysts, easily recoverable and with high stability over several reaction ...
Organic synthesis in water mediated by silyl radicals
(Bentham Science Publishers, 2011-06)
This account is focused on highlighting the recent advances on synthetically-useful organic reactions employing siliconcentered radicals in water, and presenting new reactions in water, mediated by silyl radicals. In doing ...
Copper Nanoparticles in Click Chemistry
(American Chemical Society, 2015-09)
The challenges of the 21st century demand scientific and technological achievements that must be developed under sustainable and environmentally benign practices. In this vein, click chemistry and green chemistry walk hand ...
Chemoenzymatic synthesis of hygromycin aminocyclitol moiety and its C2 epimer
(Wiley VCH Verlag, 2018-11-29)
This manuscript describes the enantioselective synthesis of the aminocyclitol moiety of the antibiotic hygromycin A in eight steps and 39 % overall yield from a non-chiral starting material. The sequence made use of an ...