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- Keywords glycosyl azide;synthesis;crystal structure; 叠氮化吡喃糖;合成;晶体结构;
- glycosyl azide 叠氮化吡喃糖
- Cupric azide is insoluble in water. 叠氮化铜不溶于水。
- Guanyl azide is then isomerized to aminotetrazole. 随后,叠氮化脒异构化生成氨基四氮杂茂。
- Silver azide does not dissolve in water or in nitric acid. 叠氨化银不溶于水或硝酸。
- One-Pot Preparation of N-Carbamate Protected Amino Acids via Azide. N-氨基甲酸经叠氮化保护氨基酸的一勺烩制备。
- It is possible to harness the versatile chemical properties of cyanogen azide. 氰化叠氮的灵活多变的化学性质是可控制的。
- Firstly, glycosyl fluorides act as substrates for glycosidases hydrolysis. 氟代糖可以作为糖苷酶及其突变酶的水解底物研究酶学性质;
- "Effluent standards for water pollutants from lead azide, lead styphnate and D. S crystals manufacturing industry"<WESTBANK>叠氮化铅、三硝基间苯二酚铅、D.
- Furthermore, glycosyl fluorides also act as donors for transglycosylation by retaining glycolides. 尤为重要的是,氟代糖可作为糖苷酶的糖基供体来合成糖类。
- It may offer a new path to sythesize 2-amino-2- deoxy oligosaccharides by using glycosyl 1-nitration as donor. 糖基硝酸酯作供体可提供一条合成2-氨基-2-脱氧寡糖的新途径。
- The result turned out that, glycosyl anline thiourea compounds present the good restraining activities. 结果显示,苯胺类糖基硫脲化合物呈现出较好的抑制活性。
- Abstract: Glycosyl fluorides are becoming increasingly important molecules for the study on glycosidases. 摘 要: 近年来,氟代糖应用于糖苷酶反应研究,显示出越来越重要的作用。
- Toward this end, the olefin 51 was treated with cyanogen azide and, indeed, produced the ring expanded ketone 52. 为了证明这一看法,他用氰化迭氮处理烯烃(51)就得到扩大的环酮。
- CDH was inhibited by Zn2+ and Ag +, but it was not influenced by azide and cyanide. Zn(2+)和Ag+对该酶活性有很大的抑制作用,而叠氮化钠和氰化钾对酶活力没有影响。
- If all the glycosyl units are of the same sugar type, they are homogeneous as to monomer units and are called homoglycans. 如果所有糖单元都是相同类型的糖,对于单体糖元他们是均匀的,称同聚糖。
- METHODS To replace the hydrogenation of the azide compoumd with reducing the amide with LAH. 方法 用四氢锂铝还原酰胺的方法代替叠氮化物的氢化。
- Conclusions CH-ED-LA is the glycosyl galactose cholesterol derivative syntheisized from ethanediamine and cholesteryl chloroformate via amide linkage. 结论CH-ED-LA是乙二胺与乳糖酸和胆固醇氯甲酯通过酰胺键连接的半乳糖化胆固醇衍生物。
- CDH was inhibited by Zn2+ and Ag+, but it was not influenced by azide and cyanide. Zn2+和Ag+对该酶活性有很大的抑制作用,而叠氮化钠和氰化钾对酶活力没有影响。
- The application of 1-glycosyl fluorides in the glycosyl transferase and glycosidase-catalysed carbohydrate synthesis is reviewed in this paper. 1-氟代糖作为糖基供体应用于化学-酶法合成反应,显示出越来越重要的作用,综述了1-氟代糖在糖基转移酶和糖苷酶催化的糖类合成中的应用。