• 乙醇溶剂碘化催化剂,由金属对苯二酚丁烷合成了1 ,4 -二氧基苯。

    With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.

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  • 二甲氧基乙酸乙酸甲酷为主要原料,经甲醇催化制备二甲氧基乙酞乙酸

    A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.

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  • 地克珠利环丙氨嗪莱克多巴胺牛至香酚、氯氰碘柳胺、双乙酸氧基喹啉大蒜素、脲酶抑制剂

    Diclazuril, Cyromazine, Ethoxy Quinoline, Closantel Sodium, Ractopamine, Oregano Oil, Garlicin, Urease Inhibitor etc. raw material and 100 various products such as preparation.

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  • 苯酚得到苯酚,苯酚2-乙醇得到2-苯氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

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  • 苯酚得到苯酚,苯酚2-乙醇得到2-苯氧基乙醇,与氯化锌反应得2,3-二氢苯并呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

    youdao

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