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Methyl 3-methyl-2H-azirine-2-carboxylate photochemistry studied by matrix-isolation FTIR and DFT calculations
(American Chemical Society, 2006-08)
The aliphatic 2H-azirine, methyl 3-methyl-2H-azirine-2-carboxylate (MMAC), has been synthesized and its monomeric form investigated by IR spectroscopy in an argon matrix, at 10 K, as well as theoretically (DFT/B3LYP/6-31 ...
Multi-method Study on Aquatic Humic Substances from the Rio Negro - Amazonas State/Brazil: Emphasis on Molecular-Size Classification of their Metal Contents
(Sociedade Brasileira de Química, 1999-01-01)
As substâncias húmicas aquáticas investigadas foram convencionalmente extraídas de amostra de água coletada no Rio Negro - AM, Brasil utilizando-se resina XAD 8. Investigações usando ressonância nuclear magnética de próton ...
Multi-method Study on Aquatic Humic Substances from the Rio Negro - Amazonas State/Brazil: Emphasis on Molecular-Size Classification of their Metal Contents
(Sociedade Brasileira de Química, 1999-01-01)
As substâncias húmicas aquáticas investigadas foram convencionalmente extraídas de amostra de água coletada no Rio Negro - AM, Brasil utilizando-se resina XAD 8. Investigações usando ressonância nuclear magnética de próton ...
Synthesis of arylselenide ethers by photoinduced reactions of selenobenzamide, selenourea and selenocyanate anions with aryl halides
(Pergamon-Elsevier Science Ltd, 2011-03)
Selenobenzamide (-SeCNH(Ph), 1), selenourea ( -SeCNH(NH2), 2) and selenocyanate (-SeCN, 3) anions afford areneselenolate ions (ArSe-) under photostimulation in the presence of tert-butoxide or 2-naphthoxide ions as electron ...
Síntese de 1-alquil-4-aminoalquil-2-trifluormetil-1H-pirróis e 1,2,3- triazóis derivados
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2020-12-04)
In the present work, it was carried out a study of the reactivity of 5-bromo-1,1,1-trifluoro-
4-methoxypent-3-en-2-one (5-bromo enone) towards primary aliphatic amines, which furnishes
as products two novel series of ...
Studies on quinones. Part 47. Synthesis of novel phenylaminophenanthridinequinones as potential antitumor agents
(ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES, 2012)
Electronically mediated selectivity in ring opening of 1-azirines. The 3-X mode: Convenient route to 3-oxazolines
(Amer Chemical SocWashington, 1996)
Resolução de álcoois alílicos catalisada por diferentes lipases imobilizadas em nanotubos de carbono de paredes múltiplas
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em QuímicaUTFPR, 2018-04-26)
The aim of this work was to evaluate the catalytic efficiency of lipases, free and immobilized in multi walled carbon nanotubes (MWCNTs), for the enzymatic kinetic resolution of allylic alcohols with vinyl acetate. Firstly, ...
Allosteric positive interaction of thymol with the GABA-A receptor in primary cultures of mouse cortical neurons
(Pergamon-Elsevier Science Ltd, 2006-01)
Thymol is a naturally occurring phenolic monoterpene known for its anti-microbial and anti-oxidant properties. It is used in dental practice and in anaesthetic halothane preparations. Recent studies have reported enhanced ...