1) sucrose acetate
蔗糖乙酸酯
1.
Condensation of sucrose acetate with acetylglycosyl bromides in 1 : 1 benzene-nitromethane in presence of mercuric cyanide ,calcium hydride or indichloromethane in presence of silver carbonate,calcium hydride gave Tri-and Tetra-Saccharides containing sucrose molecule.
将蔗糖乙酸酯和乙酰基糖的溴化物在两种催化体系［Ｈｇ（ＣＮ）＿２，ＣａＨ＿２－苯，硝基甲烷（１：１）或Ａｇ＿２ＣＯ＿３，ＣａＨ＿２－二氯甲烷］中进行缩合反应，得到了以蔗糖分子为母体的三糖和四糖化合物。
2) sucrose octaacetate
八乙酸蔗糖酯
1.
Effect of preparation conditions of KF/γ-Al_2O_3 on the synthesis of sucrose octaacetate
KF/γ-Al_2O_3制备条件对催化合成八乙酸蔗糖酯的影响
2.
Firstly,sucrose octaacetate was prepared via acetylation of sucrose,then,octa-O-benzyl sucrose was obtained from benzylation of sucrose octaacetate using BnCl and KOH as the reagents,resulting in a product yield of 81% after two steps of reactions.
通过对蔗糖乙酰化保护得到八乙酸蔗糖酯,再经BnCl、KOH反应得到八苄基保护的蔗糖,总收率81%。
3.
The sucrose octaacetate are prepared with K2CO3/γ-Al2O3 as catalyst.
用K2CO3/γ-Al2O3为催化剂对八乙酸蔗糖酯进行了合成,并研究了原料不同糖酐摩尔投料比、反应温度、反应时间、催化剂用量对产品收率的影响。
3) sucrose octaacetate
蔗糖八乙酸酯
1.
Enzymatic transesterification between sucrose octaacetate and ethyl oleate.;
酶催化蔗糖八乙酸酯与油酸乙酯转酯化反应的研究
2.
The determination of the components in transesterification of sucrose octaacetate with ethyl oleate by HPLC was studied.
研究了高效液相色谱分析法在油酸乙酯与蔗糖八乙酸酯转酯化反应中组分定量分析上的应用。
3.
The synthesis of sucrose octaacetate(SOA) from sucrose with acetic anhydride in the presence of anhydrous sodium acetate is reported.
报道了在无水乙酸钠存在下，蔗糖和乙酸酐反应合成蔗糖八乙酸酯（ＳＯＡ）。
4) sucrose-6-acetate
蔗糖-6-乙酸酯
1.
Separation of sucrose-6-acetate from acetylation product of sucrose by the column chromatography;
柱色谱分离蔗糖酰化产物中蔗糖-6-乙酸酯的研究
2.
The method of purifying Sucrose-6-acetate by ion exchange resin was studied in detail.
研究了应用离子交换树脂分离提纯蔗糖-6-乙酸酯的方法。
3.
The study on qualitative analysis of Thin Layer Chromatogram and quantitative analysis of Column Chromatography to sucrose-6-acetate, sucralose-6-acetate and sucralose is made.
以蔗糖和其它有机试剂为原料采用单基团保护法合成三氯蔗糖,对合成工艺和分析方法进行了系统研究,考察了各步反应的主要影响因素,得到了优化的工艺条件;研究了薄层色谱和柱色谱对蔗糖-6-乙酸酯、三氯蔗糖-6-乙酸酯、三氯蔗糖的分析分离方法。
5) sucrose 6 acetate (S 6 a)
蔗糖6乙酸酯(S6a)
6) sucrose-6-ester
蔗糖-6-乙酸酯
1.
Sucralose and its intermediate sucrose-6-ester and sucralose-6-ester was isolated by column chromatograph and qualitative analyzed by thin layer chromatograph.
采用单保护法合成三氯蔗糖;以薄层色谱法定性,用柱色谱法分离提纯三氯蔗糖及其合成中间体蔗糖-6-乙酸酯、三氯蔗糖-6-乙酸酯。
补充资料：八乙酸蔗糖酯
分子式：
分子量：
CAS号：
性质：C12H14O3（OOCCH3）3白色结晶粉末。有吸湿性和苦味。相对密度1.26（20/20℃）。熔点86-87℃。旋光度+54.96°。折射率1.4660，加热至285℃分解。溶于乙酸、丙酮、二氯化乙烯、乙酸甲酯、苯、甲苯，微溶于水。几乎不发生水解。对费林试剂无作用。用作纤维素酯和合成树脂的增塑剂、酒精的变性剂、纸张的浸渍剂，也用于配制胶粘剂和喷漆等。由蔗糖与乙酸钠和乙酐作用而制得。
分子量：
CAS号：
性质：C12H14O3（OOCCH3）3白色结晶粉末。有吸湿性和苦味。相对密度1.26（20/20℃）。熔点86-87℃。旋光度+54.96°。折射率1.4660，加热至285℃分解。溶于乙酸、丙酮、二氯化乙烯、乙酸甲酯、苯、甲苯，微溶于水。几乎不发生水解。对费林试剂无作用。用作纤维素酯和合成树脂的增塑剂、酒精的变性剂、纸张的浸渍剂，也用于配制胶粘剂和喷漆等。由蔗糖与乙酸钠和乙酐作用而制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条