Electronic and electrochemical properties of grid-type metal ion complexes (Fe+2 and Co2+) with a pyridine-pyrimidine-pyridine based bis(hydrazone)

Autor: Manuel Noé Chaur Valencia, Héctor Fabio Zuluaga Corrales, Gabriel Martínez

Publikováno v: Revista Colombiana de Química, Vol 47, Iss 2, Pp 45-53 (2018)

The synthesis of new grid-type complexes of Co2+ and Fe2+ based on a highly soluble double hydrazone framework is reported. The data obtained from 1H NMR, FT-IR, and elemental analysis indicate that the complexes adopted a grid-like structure. Electr

Externí odkaz: https://doaj.org/article/d452c5f765754954b91fc4efeaf67a6a

Acylhydrazone-based dynamic combinatorial libraries: study of the thermodynamic/kinetic evolution, configurational and coordination dynamics

Autor: Mónica Andrea Gordillo Varela, Fabio Zuluaga, Manuel Noé Chaur Valencia

Publikováno v: Revista Colombiana de Química, Vol 45, Iss 3, Pp 39-50 (2016)

The kinetic and thermodynamic selectivity of acylhydrazone formation in dynamic combinatorial libraries (DCL) is described. Competition reactions were generated from hydrazides: isoniazid, 4-nitro-benzohydrazide, 4-dimethylamino-benzohydrazide, and n

Externí odkaz: https://doaj.org/article/aace61671e21407f9d287909f6322c83

Colletotrichum Gloesporioides Inhibition In Situ by Chitosan-Ruta graveolens Essential Oil Coatings: Effect on Microbiological, Physicochemical, and Organoleptic Properties of Guava (Psidium guajava L.) during Room Temperature Storage

Autor: Carlos David Grande Tovar, Johannes Delgado-Ospina, Diana Paola Navia Porras, Yeimmy Peralta-Ruiz, Alexander Pérez Cordero, Jorge Iván Castro, Manuel Noé Chaur Valencia, José Hermínsul Mina, Clemencia Chaves López

Publikováno v: Biomolecules, Vol 9, Iss 9, p 399 (2019)

Guava is a fruit appreciated worldwide for its high content of bioactive compounds. However, it is considered a highly perishable fruit, generally attacked by pathogenic species such as the fungi Colletotrichum gloeosporioides, which causes anthracno

Externí odkaz: https://doaj.org/article/b92b6e016e464195a3810979a4dbcde4

Nuevos derivados imino-quitosano: desde la química verde a la remoción de metales pesados en aguas

Autor: Héctor Fabio Zuluaga-Corrales, Vivian Lizeth Triana-Guzmán, Yury Ruiz-Cruz, Manuel Noé Chaur-Valencia, Elkin Libardo Romero-Peñaloza

Publikováno v: Revista Facultad de Ingeniería, Iss 89, Pp 34-43 (2018)
Revista Facultad de Ingeniería Universidad de Antioquia, Issue: 89, Pages: 34-43, Published: DEC 2018

Three novel imine-chitosan derivatives were synthesized by condensation of the amino terminals of chitosan and 4-bromomethyl-2-hydroxybenzaldehyde A 1 , 4-formyl-2-hydroxybenzoic acid A 2 , and (E)-6-((2-(pyridin-2-yl)hydrazono)methyl)picolinaldehyde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a371c29b7ca002f31355974e6afe9a4c
http://www.redalyc.org/articulo.oa?id=43060744005

Structural, spectroscopic, and theoretical analysis of a molecular system based on 2-((2-(4-chlorophenylhydrazone)methyl)quinolone

Autor: Mónica Soto Monsalve, Gustavo Gutiérrez, Richard D´Vries, Elkin L. Romero, Hector Fabio Zuluaga, Manuel Noé Chaur Valencia

Publikováno v: Revista Colombiana de Química, Vol 47, Iss 2, Pp 63-72 (2018)
Repositorio UN
Universidad Nacional de Colombia
instacron:Universidad Nacional de Colombia

A novel molecular system based on 2-((2-(4-chlorophenylhydrazone)methyl)quinoline (1-E) was synthesized. Interconversion of 1-E to its configurational isomer 1-Z was achieved using UV radiation (250 W Hg lamp). Such isomerization was monitored by 1H-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b176d1c7ca2f68201f5a1d7b6beda4e
http://bdigital.unal.edu.co/67266/