蔗糖- 6 -乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。
Selecting chlorination of hydroxyl group in sucrose 6-acetate is a key in the process of making sucralose.
蔗糖- 6 -乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。
Selecting chlorination of hydroxyl group in sucrose 6-acylates is a key in the process of making sucralose.
以蔗糖为起始原料，经羟基选择性保护、氯化、脱乙酰基等3步化学反应合成三氯蔗糖；
Sugar was as the start material by the reaction of the selective protections at 6-hydroxy, chlorination, deacetyl in three steps obtained the target compound(trichlorosucrose);
研究了氯化苄的选择性硝化及其在对硝基苯甲醛合成中的应用。
The selective nitration of benzyl chloride and its application in the synthesis of4-nitrobenzaldehyde were studied.
报道一种在区域选择性催化剂存在下，以2氯苯酚直接氯化合成2,6二氯苯酚的方法。
A procedure for synthesizing 2, 6 dichlorophenol by chlorinating 2 chlorophenol with chlorine in the presence of the regioselective catalyst is reported.
用氯化铵三氧化铬可以较高的产率将仲醇选择性氧化生成相应的酮。
The selective oxidations of secondary alcohols to corresponding ketones by ammonium chlorochromate were described in this paper.
本文利用离子选择性电极测定饲料中的氯化物含量。试验结果表明，该方法简便、准确、快速。
The article reports the concentration of chloride in feeds by ion-selective electrode. The results of testing indicate that the method is simple, accurate and rapid.
采用悬浮法合成了高选择性的吡啶氯化氨基树脂，并通过吸附铜离子实验评价其吸附性能。
Pyridine amino resin of high selective absorption for copper ion was synthesized by the suspension method, and its absorption properties were evaluated by absorption experiment of copper ion.
烷基胍对铝硅酸盐矿物的捕收能力和选择性优于十二胺和十二烷基三甲基氯化铵。
The interaction mechanism between aluminosilicate minerals and alkyl-guanidine was revealed based on collector structure and surface charge of minerals.
结果表明：四氯化钛对总氮的脱除率为80％左右，碱氮的脱除率可达90％以上； 二氯化铜对碱性含氮化合物的络合具有较高的选择性；
The results show that the removal of nitrogen compounds by TiCl 4 complexing is about 80%, and 90% for that of basic nitrogen compounds.
结果表明：四氯化钛对总氮的脱除率为80％左右，碱氮的脱除率可达90％以上； 二氯化铜对碱性含氮化合物的络合具有较高的选择性；
The results show that the removal of nitrogen compounds by TiCl 4 complexing is about 80%, and 90% for that of basic nitrogen compounds.
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