O uso de aparelhos de micro-ondas domésticos em aulas experimentais de química orgânica: nitração de salicilaldeído The use of domestic microwave oven in experimental classes of organic chemistry: salicylaldehyde nitration


<abstract language="eng">The use of microwave in chemistry has known benefits over conventional heating methods, e.g. reduced reaction times, chemical yield improvement and the possibility if reducing or eliminating the use of organic solvents. We describe herein a procedure for the nitration of salicylaldehyde in water using a domestic microwave oven, which can be used as an experiment in the undergraduate chemistry laboratory. The experiment involves safe and rapid preparation and identification of the position isomers by thin layer chromatography and 1H NMR, or by their melting points

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oai:doaj.org/article:302afaa26a8d46c4bb50fd1a5d4801b4Last time updated on 12/18/2014

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