CAS: 3371-50-4; (3R,4S,5S,6R)-6-((((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-((((2S,3R,4S,5S,6R)-3,4,5-Trihydroxy-6-(Hydroxymethyl)Tetrahydro-2H-Pyran-2-yl)Oxy)Methyl)Tetrahydro-2H-Pyran-2-yl)Oxy)Methyl)Tetrahydro-2H-Pyran-2,3,4,5-Tetraol

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CAS号69-79-4 麦芽糖

Alkaline Earth Salt Of/the/ Methylsulfuric Acid置于enzyme-Substance From Penicillium Funiculosum体系中,化学反应生成异麦芽三糖
参考文献:Isomaltose And Isomaltotriose From Enzymic Hydrolyzates Of Dextran
标题:Isomaltose And Isomaltotriose From Enzymic Hydrolyzates Of Dextran
摘要:
Doi:10.1021/ja01119A039

专利信息

专利号:US-10973847-B2
优先权日:2017-06-30
标题 :Core-to-surface polymerization for the synthesis of star polymers and uses thereof
发明人：JOHNSON JEREMIAH A; GOLDER MATTHEW R
权利人:MASSACHUSETTS INST TECHNOLOGY
摘要:Disclosed are methods, compositions, reagents, systems, and kits to prepare star polymers, as well as compositions and uses thereof. Various embodiments show that synthesis of these polymers contain low metal concentration to provide polymers for diverse biomedical applications including in vivo applications.

专利号:US-9399765-B2
优先权日:2006-02-08
标题:Construction of new variants of dextransucrase DSR-S by genetic engineering
发明人：MONSAN PIERRE F; REMAUD-SIMEON MAGALI; POTOCKI-VERONESE GABRIELLE; MOULIS CLAIRE
权利人:CENTRE NAT RECH SCIENT; INST NAT DE RECH AGRONOMIQUE; INST NAT DES SCIENCES APPLIQUEES DE TOULOUSE
摘要:The present invention relates to a recombinant process for the production of truncated or mutated dextransucrases while conserving the enzymatic activity or their specificity in the synthesis of the α-1,6 bonds. The present invention relates to nucleic acid sequences of truncated or mutated dextransucrases, vectors containing the nucleic acid sequences and host cells transformed by sequences encoding truncated or mutated dextransucrases. In another aspect, the invention concerns a method for producing, in a recombinant manner, truncated or mutated dextransucrases which conserve their enzymatic activity or which conserve their specificity in the synthesis of α-1,6 bonds and can produce, from saccharose, dextrans with high molar mass and modified rheological properties compared with the properties of dextran obtained with the native enzyme and isomalto-oligosaccharides with a controlled molar mass and dextrans. The dextrans and isomalto-oligosaccharides of the invention can be used namely as texturing agents or as prebiotics.

专利号:US-2024199566-A1
优先权日:2022-11-16
标题:Catalytic synthesis of delta-valerolactone (dvl) from furfural-derived 2-hydroxytetrahydropyran (hthp)
发明人：HUBER GEORGE; DASTIDAR RAKA; JOHNSTONE SAM; MCCLELLAND DANIEL
权利人:WISCONSIN ALUMNI RES FOUND
摘要:A method to make delta-valerolactone (“DVLâ€?) by dehydrogenating 2-hydroxytetrahydropyran (“HTHPâ€?). The HTHP is contacted with a supported-metal catalyst for a time, at a temperature, and at a pressure wherein at least a portion of the HTHP is converted to DVL via dehydrogenation of the HTHP. The HTHP may be derived from biomass. Thus, the method yields DVL without requiring a petroleum-based feedstock.

专利号:US-2017204442-A1
优先权日:2014-05-29
标题 :Enzymatic synthesis of soluble glucan fiber
发明人：DICOSIMO ROBERT; CHENG QIONG; ELIOT ANDREW C; OUWEHAND ARTHUR; PAYNE MARK S; YOU ZHENG
权利人:DU PONT
摘要:An enzymatically produced soluble α-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble α-glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble α-glucan fiber are also provided.

专利号:US-2023278976-A1
优先权日:2021-07-05
标题:Synthesis Of Beta-Glycolipid Compounds
发明人：BOXLEY CHETT; STOLLEY RYAN; BRUGGEMAN ROBERT
权利人:GLYCOSURF INC
摘要:Methods of forming a glycolipid are disclosed. A method may include glycosylating a sugar with a beta-hydroxyester using BF3-L as a glycosylation promoter. L may include one or more of Diethylether, Tetrahydrofurn, Dimethyle Sulfide, or combinations thereof. The beta-hydroxyester may include a carbon length ranging from C2 to C24. The sugar may be a protected sugar that includes peracetylated-rhamnose, peracetylated-xylose, peracetylated-glucose, peracetylated-galactose or combinations thereof. The beta-hydroxyester and sugar may be combined in a reaction vessel to form a mixture. A solvent may be added to the mixture to substantially dissolve the mixture. The glycosylation promoter may be added to the solution such that the solution is maintained withing a desired temperature range.

专利号:WO-2010146391-A1
优先权日:2009-06-15
标题:Regioselective synthesis of letrozole
发明人：GORE VINAYAK GOVIND; SHUKLA VINAY KUMAR; BHANDARI SHERYAS; HASBE SURESH; MEKDE SANDEEP
权利人:GENERICS UK LTD; MYLAN INDIA PRIVATE LTD; GORE VINAYAK GOVIND; SHUKLA VINAY KUMAR; BHANDARI SHERYAS; HASBE SURESH; MEKDE SANDEEP
摘要:The present invention relates to an improved process for the preparation of letrozole (I) and its pharmaceutically acceptable salts, to compositions comprising letrozole or a pharmaceutically acceptable salt thereof, and to uses of such compositions. In particular it relates to a process and to novel intermediates for preparing letrozole and its salts substantially free from regioisomeric impurities.