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
酒店
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
资讯
搜狐
6 年
Simmons-Smith环丙烷化反应
1958年,H.E. Simmons和R.D.Smith首次利用二碘甲烷和锌铜偶(Zn-Cu)将无官能团烯烃(如环己烯,苯乙烯)具有立体选择性地转化为环丙烷。这一反应后来得到普遍使用,并且是一种非常高效的制备环丙烷的反应,此反应以发现者Howard EnsignSimmons, Jr.和R. D. Smith命名 ...
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
Freed from detention
Judge halts Trump’s plan
Court blocks Louisiana law
Refuses to expedite challenge
Trump can keep control
China sends scores of planes
‘Hee Haw’ actor dies
Unveils Oakley AI glasses
Chocolates recalled
Chinese student sentenced
Activists damage UK planes
Falling rocks hit hikers
Revives terror victim suits
Kilauea volcano spews lava
Buys minority stake in PSG
Former TN state senator dies
Brown pleads not guilty
Says July rate cut possible
Teen struck by lightning
UK assisted dying bill
Russian attack on Odesa
DEA informant charged
On ICE raids at hotels, farms
To retire from figure skating
Alleged bomb threat probe
Says he was run off the road
Signing with Winnipeg Jets
Voice of America layoffs
16 billion passwords leaked
Allows firms to pick courts
反馈