• 介绍了环氧合成新工艺:催化剂添加剂存在甘油工业盐酸反应制得二氯然后二氯丙醇碱反应制得环氧氯丙烷产品。

    Epichlorohydrin was synthesized from alkali and glycerol dichlorohydrin which was synthesized from glycerol and industrial hydrochloric acid in the presence of catalyst and additive.

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  • 建立毛细管气相色谱测定甲磺酸齐拉西酮中残留溶剂丙醇二氯甲烷正己烷四氢呋喃D MF甲酯的残留量。

    A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

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  • 发现水解HVP产品污染严重,氯丙醇典型代表3--1,2-(3-MCPD)的几何均数达到6

    Results showed that levels of 3-monochloropropane-1,2-diol (3-MCPD) of HVP products are relatively high with a geometrical mean of 6.

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  • 报道了一类1,1-取代(1)产物4-甲基-7-羟基香豆素反应异常缩合产物。

    This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.

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  • 报道了一类1,1-取代(1)产物4-甲基-7-羟基香豆素反应异常缩合产物。

    This paper reported a kind of unusual products from the reaction of chlorides of 1,1-disubstitutedpropargyl alcohols with 4-methyl-7-hydroxycoumarin.

    youdao

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