Synthesis of Diacetone-L-sorbose

…, LE Burova, IB Vasil'eva, TA Melent'eva

Index: Nadtochii; Burova; Vasil'eva; Melent'eva Pharmaceutical Chemistry Journal, 2001 , vol. 35, # 4 p. 229 - 230

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Abstract

Diacetone-L-sorbose (DAS) is an intermediate product in the synthesis of ascorbic acid. DAS is obtained by acetonating L-sorbose in the presence of a catalyst. Possible catalysts are oleum, zinc chloride, copper sulfate, sulfonic acids, and ion exchange resins. In addition to DAS, the process of sorbose acetonation yields 1, 2-and 2, 3-monoacetonesorbose (1, 2- and 2, 3-MAS)[1]:

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