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Diastereoselective Addition of Arylzinc Reagents to Sugar Aldehydes
(AMER CHEMICAL SOCWASHINGTON, 2012)
The diastereoselective arylation of sugar-derived aldehydes is described. The arylating reagents are generated in situ by a boron-to-zinc exchange reaction of arylboronic acids with Et2Zn to generate arylethylzinc reagents. ...
Definición de reacciones y ecuaciones
(2017-01-01)
La materia sufre cambios, uno de ellos es el cambio químico o transformación de las sustancias que dan origen a sustancias nuevas con características fisicoquímicas propias.
The matter undergoes changes, one of them is ...
A influência de reagentes auxiliares de filtragem sobre a formação e umidade de tortas de rejeito de minério de ferro
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MINASCurso de Especialização em Engenharia de Recursos MineraisUFMG, 2022-10-28)
Alternative methods for the disposal of tailings in dams, such as dry stacking, are increasingly important in the mining scenario, especially regarding iron ore processing. The final dewatering of the tailings, aiming at ...
Chemical reageants management in laboratories of the Universidad NacionalGestión de reactivos químicos en laboratorios de la Universidad Nacional
(Universidad Nacional de Costa Rica, 2013)
Reagent generation for chemical analysis assisted by ultrasonic irradiation
(Elsevier, 2004)
Few methods, such as coulometrics, have been developed to produce reagents in situ for analytical purposes. In this work the
concept related to the generation of ultrasound-assisted reagents was exploited to yield oxidizing ...
Continuous Flow-Processing of Organometallic Reagents Using an Advanced Peristaltic Pumping System and the Telescoped Flow Synthesis of (E/Z)-Tamoxifen
(Amer Chemical SocWashingtonEUA, 2013)
Caracterização do óleo de patauá e utilização para obtenção de um reagente coletor para a flotação de minério fosfático
(Universidade Federal de Minas GeraisUFMG, 2017-02-17)
As food demand increases and biofuel use expands, the world phosphate rock production substantially rises. The igneous and sedimentary phosphate rocks are the major economic viable source of phosphorous, which majorly ...