• The production is washed by 95% ethanol , we can get delamination, then using butanone to extract the lower layer , the purificatory glucose ferulic acid esters can be accepted.

    所得产物95%乙醇分层然后萃取得到精制阿魏葡糖酯

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  • Thep-benzoquinone was oxidized to open the ring and formed other intermittent products such as butanol, butanone, propanoic acid and ethanediol.

    对苯后,进一步氧化中间会生成丁醇丁酮醇、乙二醇等。

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  • Imazethapyr is synthesized from 3 - methyl - 2 - butanone. Butyraldehyde, nucochloric acid or diethyl oxalate by eight steps reaction.

    草烟的合成可以用3-甲基-2-酮、正丁醛、 粘氯酸草酸二乙酯等原料,步反应制得。

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  • Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).

    黄芩:采用硅胶G板,以醋酸酯-丁酮-甲酸-水(5:3:1:1)为展开剂,显色剂为1%三氯化铁乙醇溶液。

    youdao

  • Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).

    黄芩:采用硅胶G板,以醋酸酯-丁酮-甲酸-水(5:3:1:1)为展开剂,显色剂为1%三氯化铁乙醇溶液。

    youdao

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