• 选择SV型静态混合器应用氯苯甲氧基化反应中。

    SV static mixer was selected to use in ortho- nitrochlorobenzene methoxy reaction.

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  • 原料经溴水解氧基化基化4反应合成药物中间体3,4,5-三甲氧基醛,收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

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  • 考察格氏试剂溶剂反应物盐酸吡啶三溴甲氧基收率影响

    The effects of solvent of Grignard reagent, pyridine hydrochloride and boron tribromide on yield of product were investigated.

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  • 胡敏甲氧基功能含量多寡衡量土壤腐殖质重要指标

    The content of methyl functional group of humus is an important index to evaluate the humification of soil.

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  • 应用红外光谱技术研究乙酸作用下1,5-萘二胺碳酸甲氧基基化反应机理

    The methoxycarbonylation mechanism of 1,5-naphthalene diamine with dimethyl carbonate catalyzed by zinc acetate was investigated by Fourier transform infrared spectroscopy.

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  • ,如乙氧基氧基它们的环同系物

    R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."

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  • 研究以焦性没食子衍生物2,3,4-三羟为原料经过水解精制成2,3,4-三甲氧基酸。

    Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.

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  • 硅烷作偶联剂,通过溶剂抽提法获得单分层组装玻璃

    Mercaptopropyltrimethoxysilane (MPTS) was used to form self- assembly monolayers (SAMs) on glass substrates by solution extraction, which was checked with XPS and AES.

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  • 硅烷作偶联剂,通过溶剂抽提法获得单分层组装玻璃

    Mercaptopropyltrimethoxysilane (MPTS) was used to form self- assembly monolayers (SAMs) on glass substrates by solution extraction, which was checked with XPS and AES.

    youdao

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