天气预报15天查询> 其他> 如何将烷氧基基团引入苯环

如何将烷氧基基团引入苯环

更新时间: 2020-09-16 00:00:00     

苯环是个电富性的分子,一般只发生亲电取代。而烷氧基是个亲核试剂,所以不能直接进攻苯环,不能发生类似于付克反应的反应。如许引入烷氧基,一般都是先制成苯酚,然后将苯酚制成酚的钠盐,然后与卤代烃反应,发生置换反应,制备目标产物。

关键词: 如何 基团 引入

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-752396/ | 耗时:0.5124 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=752396 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=752396 LIMIT 0,1
select * from tbl_Articles_sphinx where id=752396 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1749783,144298,1538403,2484337,2433236,1128597,2179046,3189163,232936,1092289,1052849,2575066,1095850,882575,2936453,1299498,1981742,2237588,2135333,2502038,2299042,2262715,1117055,2658368,699462,1338576,2341263,2697795,1432688,3097612) ORDER BY field (ArticleID,1749783,144298,1538403,2484337,2433236,1128597,2179046,3189163,232936,1092289,1052849,2575066,1095850,882575,2936453,1299498,1981742,2237588,2135333,2502038,2299042,2262715,1117055,2658368,699462,1338576,2341263,2697795,1432688,3097612)