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A PROCESS TO CONVERT ETHYL PARABEN IN TO PARA ETHOXY ETHYL BENZOATE (PEEB)
A PROCESS TO CONVERT ETHYL PARABEN IN TO PARA ETHOXY ETHYL BENZOATE (PEEB)
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机译:将对羟基苯甲酸乙酯转化为对羟基苯甲酸乙酯(PEEB)的方法
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摘要
: The present invention relates to the synthesis of para ethoxy ethyl benzoate by the etherif ication of ethyl paraben by diethyl sulphate in the presence of solvent water, quaternary ammonium salt and base like sodium hydroxide, potassium hydroxide or lithium hydroxide by addition of carbonates at least maintaining stage and isolating the inorganic sulphate and ethyl alcohol f rom mother liquor and recycle of the ethyl alcohol in ethyl paraben f ormation which is the basic material of this process. No. of Pages : 13 No. of Claims : 11
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