CAS: 13992-26-2; 2,3,4,6-Tetraacetate-β-D-Galactopyranosyl Azide

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📜Beta-D-半乳糖五乙酸酯置于六甲基磷酰三胺,Aluminum (III) Chloride,Sodium Azide体系中,用 二氯甲烷 用作溶剂,化学反应 0.5H,反应生成1-叠氮-1-脱氧-β-D-吡喃半乳糖苷四乙酸酯
参考文献:β-半乳糖苷酶催化亲核试剂的诱变保留残留水解活性并提供转半乳糖苷酶
标题:β-半乳糖苷酶催化亲核试剂的诱变保留残留水解活性并提供转半乳糖苷酶
摘要:突变能力:来自环状芽孢杆菌(Bgad-A)的 β-半乳糖苷酶活性位点中催化亲核试剂 E532 的定点诱变表明,构建没有水解活性的突变体(糖合酶)的常用方法并非适用于所有保留糖苷酶.Bgad-A 突变体保留了残留的水解活性并充当转半乳糖苷酶.
Doi:10.1002/cctc.202101107

专利信息

专利号:US-6723843-B2
优先权日:1996-08-26
标题:Oligosaccharide synthesis
发明人：TOTH ISTVAN; DEKANY GYULA; KELLAM BARRY
权利人:ALCHEMIA PTY LTD
摘要:The invention provides a system for solid-phase synthesis of oligosaccharides, based on the discovery that a 2-substituted-1,3-dioxocycloalkyl linker group of general formula (I) can be used to couple saccharide groups of both the O-glycoside and N-glycoside type to a polymer support. The invention provides reagents, reagent kits and methods for solid-phase oligosaccharide synthesis.

专利号:US-2009176968-A1
优先权日:2006-06-20
标 题 :Preparation of Triazole Containing Metal Chelating Agents
发明人：MINDT THOMAS; SCHIBLI ROGER
权利人:SCHERRER INST PAUL
摘要:New chelating agents as well as their tricarbonyl complexes with technetium and rhenium and the use of these compounds in radiodiagnosis and radiotherapy are described. As a peculiarity of this invention, synthesis and coupling of the chelating systems to (bio)molecules is performed simultaneously. The new chelating agents are coupled to substances that accumulate in the diseased/targeted tissue.

专利号:US-2016108076-A1
优先权日:2013-05-21
标题:Modular synthesis of amphiphilic janus glycodendrimers and their self-assembly into glycodendrimersomes

专利号:US-5756712-A
优先权日:1997-01-23
标题:Peptidodisaccharides as oligosaccharide mimetics
发明人：SABESAN SUBRAMANIAM
权利人:DU PONT
摘要:Methods are provided to replace the ether oxygen linkage of oligosaccharides with a peptide link, -NHC(O)-, where the nitrogen atom is linked to the anomeric carbon atom of the sugar. A new family of building blocks for combinational synthesis, peptidodisaccharides, is provided containing the peptide linkage. Synthesis is more facile than with the oxygen-linked carbohydrates; the resulting compounds are expected to be more stable to enzymatic and chemical hydrolysis and to be amenable to automated synthesis.