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Rafael Alfonzo Bolívar Correa
Rafael Alfonzo Bolívar Correa
Profesor de Química
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Upgrading of extra-heavy crude oil by direct use of methane in the presence of water: deuterium-labelled experiments and mechanistic considerations
C Ovalles, A Hamana, I Rojas, RA Bolívar
Fuel 74 (8), 1162-1168, 1995
531995
Synthesis of oxetanes by photoaddition of carbonyl compounds to pyrrole derivatives.
RA Rivas, C. and Bolívar
J. Heterocyclic Chem. 13 (5), 1037–1040, 1976
341976
Synthesis of oxetanes by photoaddition of carbonyl compounds to 2,5-dimethylthiophene
С Rivas, RA Bolivar
Journal of Heterocyclic Chemistry 10 (6), 967-971, 1973
271973
Process for treating heavy crude oil
C Ovalles, A Hamana, R Bolivar, A Morales
US Patent 5,269,909, 1993
221993
Photoaddition of carbonyl compounds to five-membered ring heterocycles
C Rivas, RA Bolivar, M Cucarella
Journal of Heterocyclic Chemistry 19 (3), 529-535, 1982
191982
Petróleo versus energías alternas: dilema futuro
R Bolívar, J Mostany, MC García
Interciencia 31 (10), 10-12, 2006
17*2006
Synthesis of an oxetane by photoaddition of benzophenone to a pyrrole derivative
C Rivas, RA BOLIVAR, M VELEZ, SE FLORES, CUCARELL. M
ACTA CIENTIFICA VENEZOLANA 22 (5), 145-&, 1971
161971
Novel ethoxylated surfactants from low-value refinery feedstocks
C Ovalles, R Bolivar, E Cotte, W Aular, J Carrasquel, E Lujano
Fuel 80 (4), 575-582, 2001
152001
Application of the selective 13C{1H} nuclear Overhauser effect to structure elucidation of photoadducts derived from maleic anhydrides and thiophene
V Leon, RA Bolivar, ML Tasayco, R Gonzalez, C Rivas
Organic magnetic resonance 21 (8), 470-473, 1983
141983
Effective pay zone isolation of steam injection wells
A Blanco, A Colina, W Rodriguez, R Bolivar
SPE Latin America and Caribbean Petroleum Engineering Conference, SPE-53689-MS, 1999
131999
Quencher effect of thiophene and its monomethyl derivatives on photo-reduction and photocycloaddition reactions of ketones
RA Bolivar, C Rivas
Journal of Photochemistry 19 (1), 95-99, 1982
111982
Direct structure determination of the self‐condensation product of 1‐phenylpentane‐2,4‐dione using T1 and NOE measurements from 13C NMR spectroscopy
V León, J Espidel, RA Bolivar
Organic magnetic resonance 21 (12), 766-769, 1983
101983
Quenching effect of five-membered ring heterocycles on the photoreduction and photocycloaddition reactions of benzophenone: II
RA Bolivar, R Machado, L Montero, F Vargas, C Rivas
Journal of Photochemistry 22 (1), 91-95, 1983
101983
United States Patent n.4,772,308, September 20, 1988. Anti-caking compos
RA Zurimendi, Jon and Bolívar C.
US Patent 4,772,308, 1986
8*1986
Quencher effect of thiophene and its derivatives on the photoreduction of carbonyl compounds
RA Bolivar, C Rivas
Journal of Photochemistry 17 (1), 91-91, 1981
71981
Quenching effect of thiophene and methylmaleic anhydrides on the photoreduction of benzophenone: a mechanistic study of their photosensitized cycloaddition
RA Bolivar, R González, R Machado, C Rivas, ML Tasayco
Journal of photochemistry 32 (3), 363-368, 1986
61986
Decomposition studies of photoaddition products derived from five-membered heterocyclics and maleic anhydride and maleimide derivatives by DSC, TG and MS
RA Bolivar, E Cotte, C Perez, C Rivas
Thermochimica Acta 45 (2), 125-131, 1981
61981
Photocycloaddition von 2-Benzoylthiophen an Methylmaleinsäureanhydride
C Rivas, RA Bolivar, R Gonzalez, R Machado, F Vargas
Monatshefte für Chemie/Chemical Monthly 127, 529-536, 1996
51996
Decomposition studies of oxetanes derived from carbonyl compounds and five-membered heterocyclics by differential scanning calorimetry
RA Bolívar, C Rivas
Thermochimica Acta 12 (4), 353-358, 1975
51975
Effects of sour gases on oil well cements/Efectos de gases agrios sobre cementos petroleros/Efeitos de gases acidos sobre cimentos petroliferos
RA Bolivar, ME Campos, C Ramirez
Interciencia 33 (9), 672-680, 2008
32008
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Artículos 1–20