Revista Boliviana de Química Inicio

Stereochemical analysis of natural products by NMR: the J-based approach, a short review José A. Bravo, José L. Vila, Mauricio Peñarrieta, Patricia Mollinedo Keywords: Stereochemistry, flexible macrocyciclic, conformation, configuration, natural products, NMR, homonuclear coupling, hetereonuclear coupling, J-based approach; Claves: Estereoquímica, macrocíclicos flexibles, conformación, configuración, productos naturales, RMN, acoplamiento homonuclear, acoplamiento heteronuclear, enfoque basado en J.

Hydroboration, a brief historical review through mechanistic views, part I: Alkyl- and aryl-substituted olefins, as addition-substrates; the organic chemistry notebook, N° 15 José A. Bravo1, José L. Vila Keywords: Organic Chemistry, Addition reaction, Multiple bonds, Organoboranes, Hydroboration, Mechanisms of Reactions; Claves: Química orgánica, Reacción de adición, Enlaces múltiples, Organoboranos, Hidroboración, Mecanismos de reacción.

Análisis de clustering subspace de pesticidas químicos Heriberto Castañeta Maroni, Alex Quispe, Ebbe Yapu Tapia, Pablo Duchowicz and Sergio Peignier Keys: Subspace clustering, Molecular Descriptors, Vapor pressure, Pesticides, PPDB database, Quantitative Structure-Property Relationships, QSPR; Claves: Subspace clustering, Descriptores moleculares, presión de vapor, Pesticidas, Base de datos PPDB, Relaciones cuantitativas estructura-propiedad, QSPR.

Adsorción de fósforo en suelos de cultivo en Beni y La Paz Valerio Choque Flores, Ángel Maldonado, Rigoberto Choque, Rómulo Gemio Siñani, Ariana Zeballos Espinoza, Mario Blanco Cazas Keys: Phosporus, pH, Soils, Texture, Adsorptions, Isotherm; Claves: Fósforo, pH, Suelos, Textura, Adsorción, Isoterma.

Determination of the phenolic contents, and evaluation of the antityrosinase activity, and the antioxidant indexes of four Bolivian quinoa varieties Alejandra Navia, Peggy Ormachea, Lily Salcedo, Maribel Lozano, Santiago Tarqui, Yonny Flores, Giovanna R. Almanza Keywords: Quinoa, Chenopodium quinoa, Antityrosinase, Antioxidant, Total Phenolic Contents, Mauritianin; Claves: Quinoa, Chenopodium quinoa, Antitirosinasa, Antioxidante, Contenidos fenólicos totales, Mauritianin.

Evaluación hidroquímica preliminar de reservorios de agua para consumo humano próximo a actividades mineras en la microcuenca Hampaturi en La Paz, Bolivia Romel Emil Aruquipa Buitre, María Isabel Chambi Tapia, Israel Quino Lima, Oswaldo Eduardo Ramos Ramos Keywords: Hampaturi, Drinking water, Water reservoirs, Mining activities, Hydrochemistry; Claves: Hampaturi, Agua de consumo, Reservorios de agua, Actividad…

Monitoring of water pollution by hydrocarbons in the mirror of Bay of Santiago de Cuba Liliana Mesa M., José Falcón, Yoana Ruiz, Ramón Arias, Jorge Pérez Keywords: Water pollution, Hydrocarbons, Bay, Spectrophotometry, Surface tension; Claves: Contaminación de aguas, Hidrocarburos, Bahía, Espetrofotometria, Tensión superficial.

Coronavirus, COVID-19, preventing the spreading of viruses is easier than we think; biosafety protocols, guide for the reopening of the country and for reducing the risk of reactivation of the spreading José A. Bravo Keywords: Coronavirus, COVID-19, Prevention, Pandemia, Quarantine, Biosafety, Protocols, Reopening, Reactivation, Reducing, Spreading; Claves: Coronavirus, COVID-19, Prevención, Pandemia, Cuarentena, Bioseguridad, Protocolos, Reapertura,…