salicylaldehyde ['sælisil'ældihaid]
- salicylaldehyde的基本解释
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n.
[化]水杨醛, 邻羟基苯醛
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The method of coumarin synthesis using salicylaldehyde was selected,flow chart and operation process were studied in this paper.
对香豆素常用的三种合成方法进行了介绍,对其工业化生产的优缺点进行了对比,最终选定了水杨醛法,并给出了工艺流程图和操作步骤。
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In this paper,investigation has been made on the process for the synthesis of salicylaldehyde by esterification-oxidation with phenol,paraformaldehyde,boric acid as initial materials.
探索了以苯酚、硼酸和多聚甲醛为原料的酯化氧化法合成水杨醛的工艺路线,根据反应特点,改进了酯化反应方式,采用了多聚甲醛气态解聚法作为羟甲基化反应的进料方式,探讨了羟甲基化反应温度、多聚甲醛原料含水量、催化氧化反应催化剂用量对反应收率的影响并得到最佳反应条件,水杨醛收率为60.5%,纯度达98%以上。
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In the presence of 0.10 molar equivalent of salicylaldehyde, L-lysine racemization can be completed within 4 h in 1.0 mol/L of NaOH at 100℃.
在在场的0.10摩尔相当于水杨醛, L -赖氨酸消旋可以完成4小时,在1.0 mol / L的氢氧化钠在100 ℃。
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Effects of carboxylic media in the racemization of neutral amino acids catalyzed by salicylaldehyde were investigated.
继而研究了羧酸溶剂中水杨酸催化的中性氨基酸消旋。
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The influences of the type and dosage of the aldehyde, organic acids, as well as the water content in the reaction system on the racemization were examined in detail, and L-Glu was racemized quickly in the presence of 0.2 molar ratio of L-Glu to salicylaldehyde in acetic acid containing 20% water.
详细考察了醛的种类及用量、羧酸溶剂的种类、反应体系的含水量对消旋化的影响,结果表明L-谷氨酸在含20%水的乙酸溶剂中,以水杨醛作为催化剂(水杨醛与L-谷氨酸的物质的量比为0.2)的优化条件下可以快速地被消旋化。
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salicylaldehyde hydrazone:柳醛
sails帆 | salicylaldehyde hydrazone柳醛 | salicylanilide柳醛苯胺
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salicylaldehyde hydrazone:柳醛腙
sail 帆 | salicylaldehyde hydrazone 柳醛腙 | salicylanilide 柳醯胺苯
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Salicylaldehyde:水杨酸醛
Salicylateammonium水杨酸铵 | Salicylaldehyde水杨酸醛 | Salicylanlide水杨酰苯胺
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Salicylaldehyde:水杨醛
Salicylalcohol 水杨醇 | Salicylaldehyde 水杨醛 | Salicylaldehyde 水杨酸醛
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Salicylaldehyde:柳醛
salic minerals 硅铝矿物 | salicylaldehyde 柳醛 | salicylaldehyde acetylhydrazone 柳醛缩乙醯腙
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