Follow
Omar Viñas-Bravo
Omar Viñas-Bravo
Verified email at unpa.edu.mx
Title
Cited by
Cited by
Year
Abnormal Beckmann rearrangement in 23-hydroxyiminodiosgenin acetate
MA Iglesias-Arteaga, J Sandoval-Ramırez, MY Mata-Esma, ...
Tetrahedron letters 45 (25), 4921-4926, 2004
412004
A convenient procedure for the synthesis of 3beta-hydroxy-6-oxo-5alpha-steroids: aplication to the synthesis of laxogenin
MA Iglesias-Arteaga, EM Símuta-Lopez, S Xochihua-Moreno, ...
Journal of the Brazilian Chemical Society 16, 381-385, 2005
252005
In situ preparation of mixed anhydrides containing the trifluoroacetyl moiety. Application to the esterification of cholesterol and phenol
S Montiel-Smith, S Meza-Reyes, O Viñas-Bravo, MA Fernández-Herrera, ...
Arkivoc 2005 (6), 127-135, 2005
172005
β-Alkoxy-α, β-unsaturated ketone systems in steroidal frameworks, and their conversion to 23, 24-bisnorcholane lactones
S Meza-Reyes, J Sandoval-Ramírez, S Montiel-Smith, ...
Arkivoc 6, 307-320, 2005
162005
A fast and convenient procedure for the acetylation of alcohols
R Martinez‐Pascual, O Viñas‐Bravo, S Meza‐Reyes, ...
Synthetic communications 34 (24), 4591-4596, 2004
152004
1H and 13C NMR of synthetic steroid sapogenins. Part II. C-23 substituted derivatives of (25S)-spirostanes
O Viñas-Bravo, G Hernández-Linares, MY Mata-Esma, ...
Arkivoc 11, 163-171, 2003
152003
Rapid conversion of spirostans into furostan skeletons at room temperature
O Viñas-Bravo, R Martinez-Pascual, JL Vega-Baez, V Gómez-Calvario, ...
Steroids 77 (1-2), 59-66, 2012
142012
1H and 13C NMR spectral assignment of androstane derivatives
A Fuente, M Reyes, YM Alvarez, JA Ruiz, H Vélez, O Viñas‐Bravo, ...
Magnetic Resonance in Chemistry 43 (8), 676-678, 2005
102005
Design (Docking and QSAR Studies) and synthesis of histone deacetylase 2 (HDAC2) inhibitors series
H Martínez-Pacheco, J Espinosa-Raya, O Picazo, G Roldán-Roldán, ...
Medicinal Chemistry Research 27, 206-223, 2018
72018
Preparation and cytotoxic evaluation of new steroidal oximes and aza-homosteroids from diosgenin and cholesterol
TL Mora-Medina, R Martínez-Pascual, MÁ Peña-Rico, O Viñas-Bravo, ...
Steroids 182, 109012, 2022
62022
Epimerization of C-22 in (25R)-and (25S)-sapogenins
O Viñas-Bravo, P Merino-Montiel, A Romero-López, S Montiel-Smith, ...
Steroids 93, 60-67, 2015
62015
DMF·HCl as a versatile and straightforward N- and O-formylating agent
DG Ramírez-Vázquez, O Viñas-Bravo, R Martínez-Pascual, ...
Synthetic Communications 51 (4), 585-592, 2021
52021
Solving the problem of the configuration of the double bond at C22 in (25S)-23-acetyl-5β-furost-22-ene-3β, 26-diyl diacetate
J Sandoval-Ramírez, S Meza-Reyes, S Montiel-Smith, S Bernès, ...
Acta Crystallographica Section E: Structure Reports Online 59 (11), o1817-o1819, 2003
42003
In search of cytotoxic selectivity on cancer cells with biogenically synthesized Ag/AgCl nanoparticles
MJ Ramírez-Hernández, M Valera-Zaragoza, O Viñas-Bravo, ...
Beilstein Journal of Nanotechnology 13 (1), 1505-1519, 2022
32022
Conformational and Configurational Analysis of (2R, 3S, 5R)-2, 5-Dimethyltetrahydropyran-3-Carboxylic Acid
RE del Río, R Santillán, J Sandoval-Ramírez, S Meza-Reyes, ...
Journal of the Mexican Chemical Society 50 (3), 119-125, 2006
12006
Lignin Extracted from Rubber Seed Shell by Ultrasound-Assisted Organosolv Pretreatment
O Viñas-Bravo, L Pérez-Picaso, M Valera-Zaragoza, AA Huerta-Heredia, ...
Waste and Biomass Valorization, 1-12, 2024
2024
A novel and easy protocol to obtain 6-alkoxy-Δ4, 6-diene-3-one derivatives from available sterols
R Martínez-Pascual, LG Felipe-Zaragoza, MÁ Peña-Rico, A Cruz-Nolasco, ...
Steroids 200, 109323, 2023
2023
Synthesis of N-benzoyl Amino Esters and N-benzoyl Amino Acids and their Antifungal Activity
Y Chiguils-Pérez, AI Rodríguez-Hurtado, L Pérez-Picaso, ...
Journal of the Mexican Chemical Society 66 (1), 95-107, 2022
2022
Synthesis and Antifungal Activity of New Valine-Azole Hybrids
Y Chiguils-Pérez, AI Rodríguez-Hurtado, L Pérez-Picaso, ...
Russian Journal of General Chemistry 91 (Suppl 1), S123-S130, 2021
2021
Formación in situ de anhídridos mixtos. Aplicación en la esterificación del colesterol y del fenol
S Montiel-Smith, S Meza-Reyes, J Sandoval-Ramírez, O Viñas-Bravo, ...
Revista Cubana de Química 17 (3), 174-177, 2005
2005
The system can't perform the operation now. Try again later.
Articles 1–20