RESULTH Estrogen 3 - methyl ether was obtained with high yield.

结果以高收率合成了目的化合物.

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The title product is prepared by reacting sulfur trioxide with methyl ether.

其制备方法是由三氧化硫与甲醚反应生成硫酸二甲酯.

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OBJECTIVE To improve the preparation of estrogen 3 - methyl ether.

摘要目的改进雌激素类化合物3位酚 羟基 的甲醚化工艺.

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This article introduces the new purification process for methanol - methyl ether and the process indexes.

介绍了双甲精制新工艺的流程及工艺指标等.

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Codeine has the same structure as morphine, but the phenol group masked as a methyl ether.

可待因也有和吗啡相同的结构, 但是酚基被甲基醚屏蔽了,结果.

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