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Reações de 1,1,1-tricloro-4-metoxi-3-penten-2-ona com hidrazinas monosubstituídas
(Universidade Federal de Santa Maria, 2005-02-18)
The 1,1,1-trichloro-4-methoxy-3-penten-2-ona (CCl3COCH=CHOMe) reaction with hydrazines series (RNHNH2, where R = H, Me, tert-Bu, Ph, Ph(F)5, Ph-4-NO2, CO2Me e CONH2) yield to the pyrazoles N-substituted and derivatives ...
Condensação de knoevenagel na síntese de novos sistemas heteroaroil-cumarínicos trifluormetil substituídos
(Universidade Federal de Santa Maria, 2014-03-19)
With the aim to verify the influence of the presence of the trifluoromethyl group and the heterocyclic precursor in the heteroaroyl-coumarin synthesis, this dissertation describes firstly a methodology optimization to ...
Obtenção regiosseletiva de 5-alquil(aril/heteroaril)-3- (carboxil/trifluormetil)-1h-1-fenilpirazóis
(Universidade Federal de Santa Maria, 2011-05-19)
This paper presents a new synthetic route for obtain regioselective 5-alkyl(aryl/heteroaryl)-3-trifluoromethyl-1H-1-phenylpyrazoles (3a-e) (50-85% yields) and 5-alkyl(aryl/heteroaryl)-3-carboxialkyl-1H-1-phenylpyrazoles ...
5-trialometil-4,5-diidro-1h-1-(carbonilpiridil)pirazóis: síntese e atividade biológica frente ao Mycobacterium tuberculosis
(Universidade Federal de Santa Maria, 2008-08-06)
This work describes the synthesis of series of 5-hydroxy-3-[alkyl(aryl/heteroaryl)]-5-trifluoro[chloro]methyl-4,5-dihydro-1H-1(carbonylpyridyl)pyrazoles, obtained from the
reactions of 1,1,1-trihalo-4-[alkyl(aryl/hetero ...