• The effect of potassium borohydride on ester and carboxylic acid reduction was introduced.

    研究了氢化羧酸还原作用

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  • Zinc borohydride was prepared by the reaction of potassium borohydride and anhydrous zinc chloride.

    其中硼氢化硼氢化无水氯化锌反应制得。

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  • The preparation process for L-2-amino propanol (AP) by reduction with potassium borohydride (PB) was improved.

    对硼氢化还原法制取l- 2 -氨基丙工艺进行改进。

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  • The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

    研究以硼氢化修饰雷尼催化剂催化松油醇加氢制备二氢松油醇反应。

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  • The treatment of raw sorbierite using potassium borohydride can decrease the content level of reducing sugar and raise the product quality.

    使用硼氢化处理山梨醇能够降低山梨醇原糖含量提高产品质量;

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  • Employ potassium borohydride as reducer, reduce mercuric ion in liquor to Hg vapour, the Hg vapour is carried to atomization device by ar gas, determined by cold-atomic fluorescence.

    氢化还原剂,将溶液离子还原成汞的蒸气原子导入原子化中,直接用冷原子荧光光谱法测定水样中痕量汞。

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  • The synthesis of key intermediate of Gliclazide can be improved by using Potassium borohydride instead of Lithium aluminum hydride. The procedure is suitable for industrial production.

    本文格列其特的中间体氮杂双环盐酸盐合成工艺进行了改进,使工艺更适合工业化大生产要求。

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  • Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.

    方法以苯乙胺为原料,酰化反应得乙酰苯乙胺,在多聚磷酸的作用下环合得1-甲基-3,4-二氢异喹啉,经硼氢化还原得1-甲基-1,2,3,4-四氢异喹啉。

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  • Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.

    方法以苯乙胺为原料,酰化反应得乙酰苯乙胺,在多聚磷酸的作用下环合得1-甲基-3,4-二氢异喹啉,经硼氢化还原得1-甲基-1,2,3,4-四氢异喹啉。

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