METHODS: The target compound was prepared by the bromination and amination reaction.

方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.

互联网

The effects of triacetoneamine concentration on hydrogenation and amination were discussed.

论述了三丙酮胺纯度对加氢和还原胺化反应的影响.

互联网

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.

互联网

Methods: Terazosin hydrochloride was synthesized from anhydro - piperazine via acylation, reduction, amination, salification etc.

方法以无水哌嗪为起始原料,经酰化 、 还原 、 胺化 、 成盐等反应制得盐酸特拉唑嗪.

互联网

The technical key points of it are amination catalysts and engineering scaling up.

该工艺的技术关键为胺化催化剂及工程放大.

互联网