• 利用方法研究乙酸乙酯皂化反应蔗糖水解反应体系实验结果验证了本方法准确性

    The saponification of ethyl acetate and the hydrolysis reaction system of sucrose have been studied, the accuracy of this method is verified by the experimental re.

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  • 研究乙酸乙酯AA)不同程度水解B-Z振荡反应影响

    The influence of the hydrolysis of acetacetic ether (AA) on B-Z oscillating reaction is studied.

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  • 西他丁合成乙酸1-溴-5-氯戊烷为原料,活性亚甲基烃化、成肟和水解3反应得7-氯-2-氧庚酸乙酯

    The synthesis of Cilastatin sodium started from ethyl acetoacetate and 1-bromo-5-chloropentane, through 3 steps to produce ethyl 7-chloro-2-oxoheptanoate;

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  • 方法甲酸乙酸乙酯缩合,然后基肼环合水解等一法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-基吡唑。

    METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.

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  • 方法甲酸乙酸乙酯缩合,然后基肼环合水解等一法合成5-氨基吡唑-4-甲酸,然后在亚硫酸钠存在条件下加热脱羧得到5-氨基-1-基吡唑。

    METHODS 5-amino-1-hydroxyethyl pyrazole-4-carboylic acid was synthesized through condensation of ethyl cyanoacetate and triethyl orthoformate followed by one-pot methodology of cyclization, hydolysis.

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