The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.

由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.

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The purity of object product was 98.6 %, total yield reached 39.5 % ( calculated based on ethyl cyanoacetate ).

所得产物的纯度为98·6%, 总收率达到39·5% ( 以氰乙酸乙酯计 ).

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By using ethyl cyanoacetate and n - octanol as raw materials, n - octyl cyanoacetate was synthesized through interesterification.

以氰乙酸乙酯和正辛醇为原料, 采用酯交换法合成了氰乙酸正辛酯.

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