CAS: 609-06-3; L-Xylose

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Alkaline Earth Salt Of/the/ Methylsulfuric Acid置于lead(Iv) Acetate,溶剂黄146体系中,化学反应生成 L-木糖
参考文献:L-苏糖的形成
标题:L-苏糖的形成
摘要:(1) L-苏糖二乙酰胺是通过 Wohl'S 方法从 L-木糖中降解糖类获得的,L-木糖是通过 Vargha 方法从 D-山梨糖醇制备的.(2) 已经发现这种 L-苏糖二乙酰胺在 164-165°(校正)下熔化,并且在水中具有 +10.8° 的特定右旋.这些属性与 R. Hockett 的值和符号非常吻合,与 Deulofeu 的不符.(3) 该 L-苏糖二乙酰胺已分别用 1/3 N 和 1/10 N 硫酸水解.从这些实验中,L-苏糖在稀硫酸中的平衡比旋光度被确定为+13.1°.与 Hockett 的 D-异构体相比,它具有稍高的值(约 0.6°),但现在很清楚,已经获得了 Hockett 预期的纯 L-苏糖.
DOI:10.1246/bcsj.12.116

专利信息

专利号:US-11661406-B2
优先权日:2018-08-13
标 题 :Method for producing intermediate useful for synthesis of SGLT inhibitor
发明人：LI QING RI; YOON HEE KYOON
权利人:DAEWOONG PHARMACEUTICAL CO LTD
摘要:A method of preparing an intermediate useful for the synthesis of a diphenylmethane derivative that can be used as an SGLT inhibitor is described. A method of synthesizing a compound of Formula 7 can address problems of existing synthesis processes requiring the synthesis of the Grignard reagent and management of related substances. In addition, the method can minimize the generation of related substances, and thus does not require reprocessing of reaction products, thereby simplifying the process. Accordingly, the production yield of a diphenylmethane derivative can be maximized.

专利号:US-2022395800-A1
优先权日:2019-11-04
标题:Device for automated synthesis of oligo- and polysaccharides
发明人：SEEBERGER PETER H; DANGLAD FLORES JOSE; LE MAI HOANG KIM; PARDO VARGAS ALONSO; SLETTEN ERIC; SALWICZEK MARIO
权利人:MAX PLANCK GESELLSCHAT ZU RFERDERUNG DER WSS E V; GlycoUniverse GmbH & Co KG&A
摘要:The present invention generally relates to automated synthesis technology, and more particularly, to a device and method for automated synthesis of oligo- and polysaccharides on a solid support. In particular the present invention relates to a device for automated synthesis of oligo- and polysaccharides on a solid support comprising a reaction vessel, a reagent storing component, a reagent delivery system, a cooling device for cooling reaction vessel, and a pre-cooling device for pre-cooling the reagents to be supplied.

专利号:EP-3835306-A1
优先权日:2019-12-13
标题:Microwave-assisted method for synthesis of oligo- and polysaccharides on solid phase
权利人:MAX PLANCK GESELLSCHAFT
摘要:The present invention relates to a method for synthesizing oligo- and polysaccharides using microwave radiation, in particular to a method and a device for automated synthesis of oligo- and polysaccharides.

专利号:US-2023212216-A1
优先权日:2019-12-20
标 题:Synthesis of lactone derivatives and their use in the modification of proteins
发明人：MORRIS ALEXANDER REDFERN; SUTOV GRIGORIJ; BRUNE KARL DIETRICH
权利人:GENIE BIOTECH UK LTD
摘要:Site-specific modifications of proteins are desirable in biotechnological applications such as biopharmaceuticals, immunotherapy, vaccines, and are useful in chemical biology. Gluconoylation is a non-enzymatic, covalent, post-translational modification commonly observed on N-terminal His-Tags bearing proteins. We synthesized glucono-1,5-lactone derivatives, including azido variants for selective acylation. High yield acylation is achieved by simply mixing derivatives with target protein amidst diverse conditions of temperatures, aqueous buffers, excipients, or complex cell lysate.

专利号:US-5192668-A
优先权日:1990-10-11
标题:Synthesis of protease inhibitor
发明人：TREIBER LASZLO R; COLWELL JR LAWRENCE F; ARISON BYRON H; DEZENY GEORGETTE; LINGHAM RUSSELL B; THOMPSON WAYNE J; BALANI SURESH K
权利人:MERCK & CO INC
摘要:A dipeptide isostere is the biotransformed product after incubation with a culture of Streptomyces. It inhibits HIV protease, and is useful in the prevention or treatment of infection by HIV and the treatment of AIDS, either as a compound, pharmaceutically acceptable salt, pharmaceutical composition ingredient, whether or not as a prodrug or as a combination with other antivirals, anti-infectives, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.

专利号:US-2024279264-A1
优先权日:2021-10-22
标题:Catalytic polymerization and depolymerization of 1,6-anhydrosugars
发明人：NIU JIA; WU LIANQIAN
权利人:THE TRUSTEES OF BOSTON COLLEGE
摘要:Methods for controlled synthesis and chemical recycling of stereoregular polysaccharides via polymerization of biomass-derived anhydrosugars are provided. The anhydrosugars react with an initiator in the presence of a synergy of a catalyst and the initiator providing the polysaccharides with high chain end fidelity and an excellent molecular weight distribution in a controlled manner, which allows for the preparation of polymeric systems with well-defined architectures. The polysaccharides obtained by such methods can be substantially converted to the start monomers in the present of a catalyst and can be used for biomedicine.