• 化合物2,3—亚甲5,8—二甲氧基合成结构反应研究

    Study on Synthesis, Structure and Reaction ofa New Compound 2, 3 - Methylene - 5, 8 - Dimethoxy Naphthalene.

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  • 应用红外光谱技术研究乙酸催化作用下1,5-二胺碳酸二甲酯氧基化反应机理

    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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  • 对乙酰氧基苯甲酸、对苯二酚二乙酯、2,6-甲酸间苯二甲酸四种单体通过熔融缩聚反应,合成了芳香族四组分共聚酯

    The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.

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  • 对乙酰氧基苯甲酸、对苯二酚二乙酯、2,6-甲酸间苯二甲酸四种单体通过熔融缩聚反应,合成了芳香族四组分共聚酯

    The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.

    youdao

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