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Process for the preparation of lactic acid and 2-hydroxy-3-butenoic acid esters or alpha-hydroxy methionine analogs from sugars
Process for the preparation of lactic acid and 2-hydroxy-3-butenoic acid esters or alpha-hydroxy methionine analogs from sugars
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机译:由糖制备乳酸和2-羟基-3-丁烯酸酯或α-羟基甲硫氨酸类似物的方法
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摘要
A continuous flow process for the preparation of one or more esters of lactic acid and 2-hydroxy-3-butenoic acid or ±-hydroxy methionine analogues from a sugar in the presence of a solid Lewis acid catalyst and a solvent comprising an organic solvent and water. The invention provides a means for stabilizing a Lewis acid catalyst for use in a continuous reaction process wherein the water is present in an amount of up to or equal to 10 vol. % of the organic solvent.
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