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Síntese de Pirimidinas derivadas de 7,7,7-trialo-4-metoxi-6-oxo-4- heptenoatos de metila e bi-heterociclos trifluormetilados
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2012-02-27)
An efficient method to obtain pyrimidinones and pyrimidines trialomethylated from the cyclocondensation reaction of compounds of methyl 7,7,7-trihalo-4-methoxy-6-oxoheptenoate
with urea and differents amidines providing ...
Synthesis and antibacterial activity of new lactone 1,4-dihydroquinoline derivatives
(2018-04-01)
In this work, a series of lactone 1,4-dihydroquinoline derivatives 4 were efficiently synthesized and characterized by 1H and 13C NMR. The synthesized compounds were evaluated for their in vitro antibacterial activity ...
Bi-heterociclos a partir do Ácido Levulínico: Síntese de 5-[(5-(trifluormetil)-5-hidroxi-(3-substituido)-4,5-diidro-1H-pirazol-1-il)-1-propan-1-ona-3-il]-2-metil-7-trifluormetil)pirazolo[1,5-a]pirimidinas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2013-03-04)
An efficient method to obtain 2-methyl-5-(methylpropanoate-3-yl)-7-trifluoromethylpyrazolo[1,5-a]pyrimidine 2 from the reaction of compound methyl 7,7,7-trifluoro-4-methoxy-6-oxo-heptenoate with 3-amino-5-methyl-1H-pyrazol. ...
Synthesis of multi-functionalized 1-azabicycles through MAOS acid catalyzed formal aza-[3+3] cycloaddition of heterocyclic enaminones with oxazolones
(Tetrahedron Letters, 2013)
This study describes the combination of microwave heating and green acid catalysis by Bi(NO3)3·5H2O and AcOH as a practical one-pot diastereoselective synthetic route to alkaloid-like multi-functionalized 3,4-disubstituted ...
Synthesis of multi-functionalized 1-azabicycles through MAOS acid catalyzed formal aza-[3+3] cycloaddition of heterocyclic enaminones with oxazolones
(2013)
This study describes the combination of microwave heating and green acid catalysis by Bi(NO3)3·5H2O and AcOH as a practical one-pot diastereoselective synthetic route to alkaloid-like multi-functionalized 3,4-disubstituted ...
Aplicação de 5-bromo-1,1,1-trifluor-4-metoxipent-3-en-2-ona na síntese de pirróis, pirazóis, pirimidinas e 1,2,3-triazóis
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2015-10-30)
This thesis reports the synthesis of various series of trifluoromethyl substituted nitrogenated heterocycles, such as pyrroles, pyrazoles, pyrimidines and 1,2,3-triazoles, exploiting the synthetic versatility of ...
Complexes with heterocyclic nitrogen ligands - III. Cationic rhodium(I) derivatives and applications in catalysis
(Elsevier Ltd, 1996)
The preparation and spectroscopic properties of mononuclear cationic complexes of rhodium(I) coordinated to the diolefin 2,5-norbornadiene (NBD) and to the heterocyclic nitrogen ligands 6,7-dihydrodipyrido-[2,3-b:3′,2′-j ...