邻氯苯甲醛合成中氯化工序的技术改进 关键词： 邻氯苯甲醛; 工艺; 氯化;[gap=542]Key words： O chlorobenzaldehyde; technology; chloration;
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Antifungal activity of (R)-α-lipoic acid was tested firstly. Starting from ethyl 6-hydroxy-8-chlorooctanoate, (R)-α-lipoic acid was synthesized in six steps including hydrolysis, resolution, esterification, chloration, hydrolysis and substitution.
本文以6-羟基-8-氯辛酸乙酯为起始原料，经过水解、拆分、酯化、氯代、水解、取代6步反应制得(R)-α-硫辛酸。
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A mathematic modelling of gas catalysis kinetics ofm phthalic nitrile chloration reaction is established based on the hypothesis and simplification of the reaction.
对间苯二甲腈气相氯化反应过程提出了合理的假设与简化，从反应机理出发建立了一个动力学数学模型。
A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.
设计了以国内生产的间甲酚为原料，经过乙酰化、氯化、再酯化和醇解等四步合成间羟基苯甲醇的合成路线。
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