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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 ...
Toxicological and histopathological effects of hydramethylnon on Atta sexdens rubropilosa (Hymenoptera: Formicidae) workers
(2013-02-01)
The leaf-cut ants are important agricultural pest, because they can cause intense defoliation in plants and destroy large areas cultivated. Although there are several works for the control of these insects by examining the ...
Toxicological and histopathological effects of hydramethylnon on Atta sexdens rubropilosa (Hymenoptera: Formicidae) workers
(2013-02-01)
The leaf-cut ants are important agricultural pest, because they can cause intense defoliation in plants and destroy large areas cultivated. Although there are several works for the control of these insects by examining the ...
Síntese de 4-trifluormetil-2-acetilaminopirimidinas e 2-acetilamino-4(3H)-pirimidinonas
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2006-12-20)
Não possível inserir o abstract.
Síntese e estrutura de compostos poliaza heterocíclicos
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2012-07-27)
This work describes the synthesis of a number of polyaza heterocycles and
the mechanistic study to obtain these products. Furthermore, the characterization
was performed by spectroscopic method and the structural study by ...
Regioquímica da reação de alquilação entre 4- (trialometil)pirimidin-2(1h)-onas e 5-bromoenonas
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2022-09-23)
The present thesis reports the reactivity study between 5-bromo-1,1,1,-trifluoro-4-
methoxy(amino)pent-3-en-2-ones (5-bromoenones/enaminones) towards 5- or 6-
substituted 4-(trihalomethyl)pyrimidin-2(1H)-ones. During the ...
Síntese de trifluormetil-cicloalca[d]-2(1h)-pirimidinonas e tiopirimidinonas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2004-07-20)
This work describes the synthesis and identification of a serie of 4-trifluoromethylcycloalca[d]-2-(1H)-(thio)pyrimidinones, from the cyclocondensation reactions of 2-trifluoroacetylmethoxycycloalkenes with urea and ...
Síntese de triazolopirimidinas 7-triclorometil e triazolopirimidinonas substituídas a partir de reações entre 4-alcóxi-1,1,1-tricloro-3-alquen-2-onas e 3-amino-1H-1,2,4-triazóis
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2013-08-02)
A synthetic strategy was developed for obtaining a series of new 7-
trichloromethyl-[1,2,4]-triazolo-[1,5-a]pyrimidines substituted from cyclocondensation
reaction between 4-alkoxy-1,1,1-trichloro-3-alken-2-ones (enones ...