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Sn, Ge and Al compounds stabilized by bis-amidine, bis-sulfonimidamide, and Schiff base ligands: synthesis and reactivity
(2023)
Teniendo en cuenta los problemas actuales relacionados con el medio ambientales que afectan a nuestro planeta, como el efecto invernadero, el calentamiento global y la acumulación de residuos plásticos, producidos por la ...
Amidinoquinoxaline N-oxides: spin trapping of O- and C-centered radicals
(Royal Society of Chemistry, 2017-09)
Amidinoquinoxaline N-oxides represent a novel family of heterocyclic spin traps. In this work, their ability to trap O- and C-centered radicals was tested using selected derivatives with different structural modifications. ...
In vitro investigation of the efficacy of novel diamidines against Trypanosoma cruzi
(Cambridge University Press, 2015)
Direct thrombin inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in people with non-valvular atrial fibrillation
(Wiley, 2014)
BACKGROUND: Chronic anticoagulation with vitamin K antagonists (VKAs) prevents ischaemic stroke and systemic embolism in people with non-valvular atrial fibrillation (AF) but dose adjustment, coagulation monitoring and ...
Explorando as condições reacionais de reações de Groebke-Blackburn-Bienaymé aplicada à síntese de imidazo[2,1-b]tiazois
(Universidade Federal de São Paulo, 2021-07-16)
Nas últimas duas décadas, a reação multicomponente de Groebke-Blackburn-Bienaymé (GBB) tem sido estudada como uma ferramenta importante para a síntese de compostos heterocíclicos nitrogenados, tais como as imidazo[1,2-a]piridinas ...
Atropisomerism in amidinoquinoxaline N-oxides: effect of the ring size and substituents on the enantiomerization barriers
(American Chemical Society, 2015-01)
The atropisomerism of novel 2,3-dihydro1H-pyrimido[1,2-a]quinoxaline 6-oxides 1 bearing dissymmetric (ortho-substituted) 5-aryl residues and the homologous 1,2-dihydroimidazo[1,2-a]quinoxaline 5-oxides 2 was investigated. ...
Síntese de espiro[cromeno[4,3-d]pirimidinas-5,1 -cicloalcano] e 5,6-diidrobenzo[h]quinazolinas trifluormetil substituídas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2016-02-23)
The present dissertation initially describes new methods for the synthesis of 4-(trifluoromethyl)-5,6-dihydrobenzo[h]quinazolines and 4-(trifluoromethyl)spiro[chromeno[4,3-d]pyrimidines-5,1'-cycloalkane], as new trifluoromethyl ...
Síntese de 4-(fur-2-il)- e 4-(tien-2-il)-pirimidinas a partir de β-Alcoxivinil trifluormetil cetonas
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2005-08-01)
The cyclocondensation of the 1,1,1-trifluoro-4-methoxy-4-(2-heteroaryl)-3-buten-2-ones (heteroaryl = furyl and thienyl) with urea and amidines (acetamidine, benzamidine, guanidine, 1H-pyrazole-1-carboxamidine and ...