期刊
CARBOHYDRATE RESEARCH
卷 345, 期 2, 页码 181-190出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2009.11.004
关键词
1,5-Anhydro-D-fructose; Enzymatical synthesis; Chemical synthesis and properties; Enzymatical and chemical modification of 1,5-anhydro-D-fructose; 1,5-Anhydro-D-fructose disaccharides; 1,5-Anhydro-D-tagatose disaccharides
1,5-Anhydro-D-fructose (1,5AnFru) is a monoketosaccharide that can be prepared enzymatically from starch by alpha-1,4-glucan lyase or chemically from D-glucose or D-fructose in a few steps with high yields. The formed 1,5AnFru can be derivatized both enzymatically and chemically to interesting new carbohydrate derivatives, some with biological activities. For example dehydratases, isomerases and reductases can convert 1,5AnFru to enolones (as Ascopyrone P) and sugar alcohols with antimicrobial and antioxidant properties, while chemical modifications can give similar compounds as well as natural products like 1-deoxymannonojirimycin and Clavulazine. 1,5AnFru disaccharides (glycosyl 1 -> 4 1,5AnFru) have been prepared as well as glycosyl 1 -> 4 1,5-anhydro-D-tagatose. (C) 2009 Elsevier Ltd. All rights reserved.
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