• 首先测定17取代化合物对发光菌急性毒性,初步探讨了上不同取代基类型取代位置毒性影响

    The acute toxicities of 17 substituted benzenes to Photobacterium Phosphoreum were measured, and the effects of substituted groups and positions on toxicities were discussed roughly.

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  • 测定27取代化合物松花江江水中的生物降解性。

    The biodegradability of 27 substituted benzenes in the Songhua river water by BOD technique.

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  • n-氯乙酰取代杂环化合物通过硫键的形成导入嘧啶结构。

    Three types of N? chloroacetyl substituted nitrogen? containing benzoheterocycles were introduced into pyrimidine by the formation of thioether.

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  • 结果表明二甲酸酯化合物而言,取代空间结构参数影响好氧生物降解性能重要因素

    The result showed that the steric factors of substituents were important parameters affecting the aerobic biodegradability of the tested compounds.

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  • 吲哚类取代并呋喃酮类化合物制造方法

    The invention discloses a preparation method of a benzofuran ketones compound containing indoles substituent groups.

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  • 由于引入甲酰胺取代基,因而及不经衍生化碱性化合物能特殊选择性分离

    Excellent selectivity was obtained for the separations of polar position isomers. The benzamide substituent group on crown ether makes the stationa…

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  • 最后研究了4位芳香基取代1H-2,3-并恶结构化合物重排反应。

    The rearrangement of 4-aryl 1H-2,3-benzoxazine derivatives was investigated.

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  • 最后研究了4位芳香基取代1H-2,3-并恶结构化合物重排反应。

    The rearrangement of 4-aryl 1H-2,3-benzoxazine derivatives was investigated.

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