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CHEMOSELECTIVE AND REGIOSPECIFIC FORMYLATION OF 1-PENYL-1H-PYRAZOLES THROUGH THE DUFF REACTION
(Taylor & Francis IncPhiladelphiaEUA, 2013)
Síntese e atividades antimicrobiana/antioxidante de 1-(pirazolin-1-il)-2-[(aril/heteroaril)metileno] carboidrazidas trifluormetil substituídas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2010-09-16)
This work initially describes the regioselective synthesis of a series of 3-alkyl(aryl/heteroaryl)-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazole-1-carbohydrazides (2) from the monocyclocondensation reaction of ...
Intermolecular interactions in antipyrine-like derivatives 2-halo-: N -(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1 H -pyrazol-4-yl)benzamides: X-ray structure, Hirshfeld surface analysis and DFT calculations
(Royal Society of Chemistry, 2020-12)
The synthesis, X-ray structure characterization, Hirshfeld surface analysis and DFT calculations of two new antipyrine derivatives are reported herein. Particularly, 2-bromo-N-(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H- ...
Síntese de 2-[5-Aril-3-(E-estir-1-il)-4,5-Diidro-1H-pirazol-1-il]-4-Fenil-6-Trifluormetilpirimidinas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2005-08-15)
The synthesis of a series of 2-[5-aryl-3-(E-styr-1-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-phenyl-6-trifluoromethylpyrimidines (where aryl = C6H5, 2-MeC6H4, 2-MeOC6H4, 4-MeOC6H4, 3,4-(MeO)2C6H3, 3,4,5-(MeO)3C6H2, 4-ClC6H4) in ...
Síntese, caracterização e avaliação antimicrobiana de novos heterociclos nitrogenados utilizando como precursores β-alcóxivinil trifluormetil cetonas de cadeias alquílicas longas
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2016-03-28)
This work describes the synthesis of 1H-pyrazole-1-thiocarboxamide, thiazol-1H-pyrazol-5-ol, 1H-pyrazol-1-yl-tiazoles and 1-(3-alkyl-5-trifluoromethyl-5-hydroxy-4,5-dihydro-1H-pyrazol-1-yl)-alquen-1-ones were prepared from ...
Síntese de 1,1,1-trifluoro-4-metoxi-3-alquen-2-onas funcionalizadas e 1,2-azóis derivados
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2014-03-03)
This work describes the application of the method of trifluoroacetic anhydride acetal
acylation to four new functionalized ketones: 6-methyl-5-hepten-2-one, 4-phenyl-4-
oxobutanoic acid (3-benzoylpropionic acid), ...