天气预报15天查询> 其他> 以乙烯为有机原料合成草酸二乙酯

以乙烯为有机原料合成草酸二乙酯

更新时间: 2020-07-05 00:00:00     

1、乙烯与溴单质加成得1,2杠二溴乙烷;

2、1,2杠二溴乙烷在氢氧化钠水溶液中水解,得乙二醇;

3、乙二醇在高锰酸钾氧化下,得草酸;

4、乙烯与溴化氢加成下,得1杠溴乙烷;

5、1杠溴乙烷在氢氧化钠水溶液中水解,得乙醇;

6、乙醇与草酸于浓硫酸中酯化,即可得到草酸二乙酯。

关键词: 乙烯 有机 原料 合成 草酸

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2434633/ | 耗时:0.8193 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2434633 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2434633 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2434633 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1289813,2649541,2582752,2652817,2799088,110357,1991027,1752735,120748,3327024,3139896,227237,3271924,2275063,1924432,114738,108539,2100950,1284472,2150040,679273,1916640,1724755,115196,112866,2227326,123247,331183,159488,2567035) ORDER BY field (ArticleID,1289813,2649541,2582752,2652817,2799088,110357,1991027,1752735,120748,3327024,3139896,227237,3271924,2275063,1924432,114738,108539,2100950,1284472,2150040,679273,1916640,1724755,115196,112866,2227326,123247,331183,159488,2567035)