• 章:羧酸有机合成中的应用

    The second one is about the application of diacetoxyiodobenzene in organic chemistry recent years.

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  • 所述离 子可以包括糖精盐衍生物脂肪酸烷基二羧酸盐。

    The anion may comprise saccharinate derivatives, long chain fatty acids, and alkyl dicarboxylates.

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  • 目的观察羧酸转运蛋白对衰老细胞不老细胞系长度影响。

    AIM: To observe the effect of human dicarboxylate cotransporter 3 on the telomere length of the ageing cells and non-ageing cells.

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  • 对混合二羧酸AGS增塑剂分离提纯色泽改进进行了研究。

    The separation, purification and color improvement of AGS esters plasticizer were studied.

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  • 目前我们已经合成了制备麝香重要的一步中间产物十五碳二羧酸

    So far, we have synthesized pentadecane diacid, which is a very important intermediate product during preparing muscone.

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  • 建立测定噻吩-2,5-羧酸离子反相高效液相色谱(HPLC)。

    A method for analysis of thiophene-2,5-dicarboxylic acid by ion pair reversed-phase HPLC was described.

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  • 合成脂肪族聚酯的合成羧酸缩合聚合已知完全生物降解土壤

    Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.

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  • 碱性条件下通过空气氧化E转变为环二羧酸形成18甲酯衍生物

    In basic condition E ring was converted into the cyclohexanedicarboxylic anhydride to form purpurin 18 derivatives by the air oxidation.

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  • 辛醇和羧酸分离为原料,硫酸催化剂酯化合成了戊辛酯。

    The dioctyl glutaricate was prepared by esterification of octyl alcohol and glutaric acid separated from dicarboxylic acid in catalysis of sulfuric acid.

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  • 如果得到常规鞣革相同鞣制强度,二羧酸或丙烯酸处理后的必须加入更多铬盐鞣制。

    It is necessary to add more chrome to obtain the same level of tanning fastness as found in conventional tanned leather.

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  • 这种配方构成包括草甘膦或者草甘膦的其他产物,一种羧酸或者产物,以及一种制药可接受载体

    The formulation comprises a glyphosate or a salt, ester or other derivative thereof, a dicarboxylic acid or a derivative thereof, and a pharmaceutically acceptable vehicle.

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  • 甲基-4-(2-氯苯基)-1,4-氢-3,5-吡啶二羧酸甲酯百合碱性肺动脉高压的防治作用。

    Effect of dimethyl 4 (2 chlorophenyl) 1,4 dihydro 2,6 dimethyl 3,5 pyridinedicarboxylate on the chronic pulmonary hypertension induced by monocrotaline in rats.

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  • 研究用亨克尔法2,6-烷基氧化法制2,6-萘二羧酸工艺条件,对两种方法优缺点进行了比较。

    Preparation of 2,6-NDA through Henkel process and the process of oxidization of 2,6-alkyl naphthalene is studied. Advantages and disadvantages of the two processes are also discussed.

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  • 吡啶羧酸新型广谱除草剂灭草烟重要中间体,文献所介绍的合成方法是以2,3-吡啶二羧酸与乙酸酐反应制得。

    Pyridine-2,3-dicarboxylic anhydride, a key intermediate of the herbicide imazapyr, was synthesized from pyridine-2,3-dicarboxylic acid and anhydride according to the methods in the patents.

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  • 所述羧酸原料含有总量小于等于5质量酸、酸、酸、1,9-亚壬基二羧酸

    Preferably, the carboxylic acid raw material contains glutaric acid, adipic acid, pimelic acid, suberic acid, sebacic acid and 1,9-nanomethylenedicarboxylic acid in a total amount of 5 mass% or less.

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  • 类皮质素-17,21 -二羧酸类皮质素- 17 -羧酸- 21 -碳酸酯,制备方法含有它们药物

    Corticoid 17, 21-dicarboxylic esters and corticosteroid 17-carboxylic ester 21-carbonic esters, processes for their preparation and pharmaceuticals containing these compounds.

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  • 类皮质素-17,21 -二羧酸类皮质素- 17 -羧酸- 21 -碳酸酯,制备方法含有它们药物

    Corticoid 17, 21-dicarboxylic esters and corticosteroid 17-carboxylic ester 21-carbonic esters, processes for their preparation and pharmaceuticals containing these compounds.

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