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- W2355602883 abstract "P-methoxymethyl benzyl chloride is an important intermediate for pyrethroid. As an alcohol constituent for the pyrethroid molecule,its yield and purity are of considerable value for production.The column used is made of glass 2m×3mm and packed with 102 DMCS supports coated with 5% SF1265+5% SDC 710.The products, staring material and by-products can be separated and determined by TCD.The relative error of less 4% has been obtained. Under different conditions a series of experimemts are completed on the reaction of di-methoxyl xylene with concentrated HCl to form P-methoxymethyllbenzyl chloride.The optimum conditions are selected for the partial chlorination.The diether reacted with concentrated HCl and H_2SO_4 for 2 hrs.at 55℃ to give about 60% P-methoxymethyl benzyl chloride,while the undesirable dichlorination product is about 4%." @default.
- W2355602883 created "2016-06-24" @default.
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- W2355602883 date "1987-01-01" @default.
- W2355602883 modified "2023-09-25" @default.
- W2355602883 title "Separation and Determination of P-methoxymethyl Benzyl Chloride and Study of Synthetic Condition by Gas-Liquid Chromatography" @default.
- W2355602883 hasPublicationYear "1987" @default.
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