查询词典 sodamide

A certain reference value was indicated in this experiment for industry synthesis of cedrol methyl ether by sodamide method.

本实验对甲基柏木醚氨基钠法工业化生产具有一定的参考价值。

In this paper, the cedrol methyl ether was synthesized by sodamide method.

本文采用氨基钠法合成甲基柏木醚。

Two steps were included in this reaction, first, sodium alkoxide was synthesized by th reaction between sodamide and cedrol, then cedrol methyl ether was synthesized by methylation reaction between sodium alkoxide and dimethyl sulfate.

反应分两步，首先氨基钠与柏木脑反应生成醇钠，然后醇钠与硫酸二甲酯进行甲基化反应生成甲基柏木醚。

Based on groups of single factor experiments, the yield could reached to 88.8% with the conditions: sodamide: cedrol :dimethyl sulfate = 1.6:1:0.9, refluxed 2h in first step reaction, and reacted at room temperature 1h after instillation of dimethyl sulfate, followed refluxed 1h in the second steps.

通过多组单因素实验发现氨基钠：柏木脑：硫酸二甲酯的摩尔比为1.6：1：0.9，第一步反应条件控制在回流2h，第二步反应先室温（25℃）滴加硫酸二甲酯后反应1h，再回流反应1h，得率可达88.8%。

It goes back to what I told you...

现在回到我告诉过你的。。。

With a supporter in Mr Charest and an admirer in Mr Dumont, Mr Harper may be encouraged to call an election himself.

由于在沙雷那边有个支持者，杜蒙那边有个崇拜者，鼓励哈珀为自己举行一次选举。