Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 122-18-9, molcular formula is C25H46ClN, introducing its new discovery. Formula: C25H46ClN
The invention discloses a method for the preparation of a benzalkonium chloride. The preparation method comprises the following steps, (1) in the organic solvent, in the 30 – 70 C, the fatty alkyl dimethyl tertiary amine with benzyl chloride to salt forming reaction, get aliphatic alkyl dimethyl benzyl ammonium chloride can be; the fatty alkyl is dodecyl, tetradecyl or cetyl; wherein the organic solvent is methanol, ethanol, n-propanol, isopropanol, acetone and acetonitrile in the one or more; (2) in the organic solvent, will contain two or three steps (1) prepared in the fatty alkyl dimethyl benzyl ammonium chloride mixture, crystallization, can be. Preparation method of the invention process is simple, high yield, can reach 90% or more; the relevant substance content is low, high purity, can be up to 99% or more, low water content, can realize the good shape of the appearance of the product, after treatment is simple effect, meet the requirements of Pharmacopoeia, is suitable for industrial production pharmaceutical the level benzene grips the chlorine ammonium. (by machine translation)
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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI