搜索优化
English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最新
最佳匹配
搜狐
4 年
有机人名反应——迈克尔加成(Michael reaction)
迈克尔加成(Michael reaction),最有价值的有机合成反应之一,是构筑碳-碳键的最常用方法之一。有时也称为1,4-加成、共轭加成。共振稳定的碳负离子对活化烯烃的 1,4-加成(共轭加成)。此反应是热力学控制的反应,加成反应的供体是活性亚甲基如丙二酸和 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
Says he will sue Trump
Sentenced to over 4 years
Texas shooting
Vows to 'do better'
First supermoon of 2025
Shutters all stores
Booked into Georgia jail
'Vice Principals' star dies
Montgomery mass shooting
Cracker Barrel drops firm
Former NFL star dies
Would-be assassin sentenced
FBI cuts ties with SPLC
Trump: Stop bombing Gaza
Russian drones hit UKR
LA City Hall evacuated
Czech author Klíma dies
Signs crime bill into law
Sued by former executive
Israel strikes Gaza
Protester shot in Chicago
Typhoon Matmo hits China
Ex-NFL QB arrested
Named as Rangers’ manager
To send troops to Chicago
Shooting forces lockdown
Syria holds elections
Nissan to recall US vehicles
Bezos on AI bubble
Signs deal for driver unions
Wins request for hearing
Kicks off ‘SNL’ 51st season
反馈