CAS: 13133-07-8; (2R,3R,4S,5S,6R)-2-(((2S,3S,4S,5R)-2-((((2R,3S,4S,5R)-2-((((2R,3S,4S,5R)-3,4-Dihydroxy-2,5-Bis(Hydroxymethyl)Tetrahydrofuran-2-yl)Oxy)Methyl)-3,4-Dihydroxy-5-(Hydroxymethyl)Tetrahydrofuran-2-yl)Oxy)Methyl)-3,4-Dihydroxy-5-(Hydroxymethyl)Tetrahydrofuran-2-

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CAS号7512-17-6 N-乙酰-D-氨基葡萄糖 | CAS号57-50-1 蔗糖 | CAS号59432-60-9 蔗果五糖 | CAS号470-23-5 D-fructofuranose | CAS号470-69-9 蔗果三糖 | CAS号6347-01-9 D-Fructopyranose

📜Nystose Acetate置于sodium Methylate体系中,用 甲醇 用作溶剂,化学反应生成蔗果四糖
参考文献:高速逆流色谱结合柱前衍生分离纯化低聚果糖
标题:高速逆流色谱结合柱前衍生分离纯化低聚果糖
摘要:开发了结合柱前衍生化的高速逆流色谱 (Hsccc) 来分离和纯化低聚果糖 (Fos).首先,总的 Fos 被柱前衍生,然后通过高速逆流色谱 (Hsccc) 与两相溶剂系统石油醚-正丁醇-甲醇-水 (3:2:1:4,V/v ).其次,将所得化合物脱乙酰化,得到高纯度的低聚果糖(fos).它们的结构通过质谱(ms)和核磁共振(NMR)进行鉴定.该研究成功地建立了分离和纯化低聚果糖的新策略.毫无疑问,该研究的应用将有利于含 Fos 产品的定量和定性分析.
Doi:10.3390/molecules23020381

专利信息

专利号:WO-2024228675-A1
优先权日:2023-05-03
标题:Protecting-group-free carbohydrate synthesis using bench-stable heteroaryl glycosyl sulfides as donors
发明人：KOH MING JOO; JIANG YI
权利人:NAT UNIV SINGAPORE
摘要:Disclosed is a method of synthesizing a compound selected from the group consisting of C- alkyl glycoside, C-Alkenyl glycoside, C-heteroaryl glycoside, Se-glycoside, and S-glycoside, comprising: a. reacting a natural unprotected sugar with a mixture of 2-chloro-1,3- dimethylimidazolinium chloride (DMC), heteroaryl thiol and trimethylamine (Et3N) in a mixture of water and dioxane to produce a heteroaryl glycosyl sulfide; b. photoinduced cross- coupling of the heteroaryl glycosyl sulfide with a reagent in the presence of Hantzsch ester (HE), 1,4-diazabicyclo[2.2.2]octane (DABCO) and DMSO under blue LED irradiation to produce the compound.

专利号:US-5827526-A
优先权日:1995-07-11
标 题:Use of indigestible oligosaccharides to prevent gastrointestinal infections and reduce duration of diarrhea in humans
发明人：DOHNALEK MARGARET IONE HALPIN; OSTROM KARIN MARGARET; HILTY MILO DUANE
权利人:ABBOTT LAB
摘要:A method is provided for reducing the duration of diarrhea and recurrent episodes of diarrhea in humans by enterally administering indigestible oligosaccharides prophylactically. More specifically, the present invention relates to a method using indigestible oligosaccharides or fructooligosaccharides (FOS) to reduce the duration and recurrence of diarrhea in a human wherein between 0.5 grams and 5 grams of at least one FOS selected from the group consisting of 1-kestose, nystose, and 1 F -β-fructofuranosyl nystose is administered to said human per day. The indigestible oligosaccharides can be produced through enzymatic synthesis, chemical techniques or isolated from plant materials and are administered in the form of a nutritional product, candy, tablets, chewing gum, lozenges, milk, yogurts, fermented products and the like.

专利号:US-10167459-B2
优先权日:2014-10-02
标 题:Modified beta-fructofuranosidase for fructooligosaccharide production
发明人：TROLLOPE KIM; VOLSCHENK HEINRICH; GORGENS JOHANN FERDINAND; COETZEE GERHARDT
权利人:UNIV STELLENBOSCH
摘要:The invention provides variants of the Aspergillus japonicus β-fructofuranosidase enzyme which have been modified so as to improve synthesis of inulin-type fructooligosaccharides (FOS) from sucrose. One or more substitutions may be made to the parent β-fructofuranosidase polypeptide at amino acid positions 121, 159, 302 and/or 471 of the mature peptide (SEQ ID NO: 3), corresponding to crystal positions 140, 178, 321 and 490. A method of synthesizing FOS using the variants is also claimed.

专利号:US-5849324-A
优先权日:1995-07-10
标题:Use of indigestible oligosaccharides to reduce the incidence of otitis media in humans
发明人：DOHNALEK MARGARET IONE HALPIN; OSTROM KARIN MARGARET; HILTY MILO DUANE
权利人:ABBOTT LAB
摘要:A method is provided for reducing the incidence of otitis media in infants and young children by enterally administering indigestible fructooligosaccharides. More specifically, the present invention relates to a method for reducing the incidence of otitis media comprising administering to humans an indigestible fructooligosaccharide selected from the group consisting of 1-kestose, nystose and 1-F-B-fructofuranosyl nystose . The indigestible fructooligosaccharides can be produced through enzymatic synthesis, chemical techniques or isolated from plant materials and are administered in the form of a nutritional product, candy, tablets, chewing gums, lozenges, milk products, yogurts and the like. In a preferred embodiment of this invention, the fructooligosaccharides have a DP of 2 to 20 and still more preferably are the fructooligosaccharides FG2, GF3, and GF4.

专利号:EP-0923641-A2
优先权日:1997-03-25
标 题:A process for preparing beta-fructofuranosidase and use in the synthesis of fructooligosaccharides

专利号:CN-103224616-B
优先权日:2012-01-26
标 题:Synthesis for the macromonomer based on rosin acid of polyester resin method