Valdemar Lacerda Júnior
TitleCited byYear
An evaluation of the aromaticity of asphaltenes using atmospheric pressure photoionization Fourier transform ion cyclotron resonance mass spectrometry–APPI (±) FT-ICR MS
TMC Pereira, G Vanini, ECS Oliveira, FMR Cardoso, FP Fleming, AC Neto, ...
Fuel 118, 348-357, 2014
722014
The Growing Impact of Niobium in Organic Synthesis and Catalysis
V LACERDA JÚNIOR, LC SILVA FILHO, SJ Greco, RB SANTOS
Aldrichimica Acta 45, 19, 2012
512012
Study of Brazilian asphaltene aggregation by Nuclear Magnetic Resonance spectroscopy
EC da Silva Oliveira, ÁC Neto, VL Júnior, EVR de Castro, ...
Fuel 117, 146-151, 2014
482014
Application of low-field NMR for the determination of physical properties of petroleum fractions
LL Barbosa, FVC Kock, RC Silva, JCC Freitas, V Lacerda Jr, EVR Castro
Energy & fuels 27 (2), 673-679, 2013
472013
Niobium pentachloride catalysed ring opening of epoxides
MG Constantino, V Lacerda, V Aragăo
Molecules 6 (9), 770-776, 2001
442001
Studies on crude oil‐water biphasic mixtures by low‐field NMR
RC Silva, GF Carneiro, LL Barbosa, V Lacerda Jr, JCC Freitas, ...
Magnetic Resonance in Chemistry 50 (2), 85-88, 2012
412012
Fast and efficient synthesis of pyrano [3, 2-c] quinolines catalyzed by niobium (V) chloride
LC da Silva-Filho, VL Júnior, MG Constantino, GVJ da Silva
Synthesis 2008 (16), 2527-2536, 2008
402008
Characterisation and selection of demulsifiers for water-in-crude oil emulsions using low-field 1H NMR and ESI–FT-ICR MS
GF Carneiro, RC Silva, LL Barbosa, JCC Freitas, CMS Sad, LV Tose, ...
Fuel 140, 762-769, 2015
362015
Qualitative analysis of designer drugs by paper spray ionisation mass spectrometry (PSI-MS)
TC Carvalho, IF Oliveira, LV Tose, G Vanini, JB Kill, AC Neto, LF Machado, ...
Analytical methods 8 (3), 614-620, 2016
342016
Evidencing the crude oil corrosion by Raman spectroscopy, atomic force microscopy and electrospray ionization FT-ICR mass spectrometry
HP Dias, PV Dixini, LCP Almeida, G Vanini, EVR Castro, GMFV Aquije, ...
Fuel 139, 328-336, 2015
332015
Chemical composition of essential oil from ripe fruit of Schinus terebinthifolius Raddi and evaluation of its activity against wild strains of hospital origin
ER Cole, RB Dos Santos, V Lacerda Júnior, JDL Martins, SJ Greco, ...
Brazilian journal of microbiology 45 (3), 821-828, 2014
332014
R. 75 Bezerra dos Santos
SJ Greco, RG Fiorot, VJ Lacerda
Aldrichimica Acta 46, 59-67, 2013
332013
Opening of epoxide rings catalyzed by niobium pentachloride
MG Constantino, VL Júnior, PR Invernize, LCS Filho, GV José da Silva
Synthetic Communications 37 (20), 3529-3539, 2007
332007
Evaluation of the physicochemical properties of the postsalt crude oil for low-field NMR
VG Morgan, LL Barbosa, V Lacerda Jr, E Vinicius Ribeiro de Castro
Industrial & Engineering Chemistry Research 53 (21), 8881-8889, 2014
322014
Niobium pentachloride activation of enone derivatives: Diels-Alder and conjugate addition products
MG Constantino, VL Júnior, GVJ Da Silva
Molecules 7 (5), 456-464, 2002
302002
Long‐range JCH heteronuclear coupling constants in cyclopentane derivatives
V Lacerda Jr, GVJ da Silva, MG Constantino, CF Tormena, RT Williamson, ...
Magnetic Resonance in Chemistry 44 (1), 95-98, 2006
282006
A new synthetic resorcinolic lipid 3-Heptyl-3, 4, 6-trimethoxy-3H-isobenzofuran-1-one: evaluation of toxicology and ability to potentiate the mutagenic and apoptotic effects of …
SD Navarro, A Beatriz, A Meza, JR Pesarini, R da Silva Gomes, ...
European journal of medicinal chemistry 75, 132-142, 2014
272014
A simple and convenient method for synthesis of new aminonaphthoquinones derived from lawsone by catalytic multicomponent Mannich reaction
RG Fiorot, JF Allochio Filho, TMC Pereira, V Lacerda Jr, RB dos Santos, ...
Tetrahedron Letters 55 (31), 4373-4377, 2014
262014
Recent Developments in the Asymmetric Catalytic Mannich Reactions
SJ GRECO, V LACERDA JÚNIOR, RB SANTOS
Aldrichimica Acta 44, 15-24, 2011
26*2011
Principal component analysis of long-range ‘W’coupling constants of some cyclic compounds
MG Constantino, V Lacerda Jr, GVJ da Silva, L Tasic, R Rittner
Journal of Molecular Structure 597 (1-3), 129-136, 2001
262001
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Articles 1–20