essential oils and pheromones. In difficult cases, the silver carboxylate may be used, since the silver ion coordinates to the halide aiding its departure and improving the reaction rate. Archived from the original. "An Efficient One-Pot Synthesis of Unsymmetrical Ethers: A Directly Reductive Deoxygenation of Esters Using an InBr3/Et3SiH Catalytic System". Many other acids are also used such as polymeric sulfonic acids. Angewandte Chemie International Edition in English. H.; Dong,.; Yang,.
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London: Longman, isbn.A. Inorganic esters edit A phosphoric acid ester Esters can also be derived from an inorganic acid and an alcohol. Christophe Dugave; Luc Demange (2003). This property is used to determine the presence of boron in qualitative analysis. The condensation reaction for the formation of tetraborate(2-) is as follows: 2B(OH)3 2B(OH)4 B4O5(OH)42- 5H2O The tetraborate anion ( tetramer ) includes two tetrahedral and two trigonal boron atoms symmetrically assembled in a fused bicyclic structure.
In chemistry, an ester is a chemical compound derived from an acid (organic or inorganic) in which at least one OH (hydroxyl) group is replaced by an Oalkyl group.
Usually, esters are derived from a carboxylic acid and an alcohol.
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