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
排序方式
最佳匹配
最新鲜
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
资讯
搜狐
8 年
Simmons-Smith环丙烷化反应 - 搜狐
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 ...
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
Central Texas flash floods
X CEO resigns
Suffers serious injuries
Tunnel collapses in LA
Hiker dies in Grand Canyon
Death ruled a homicide
Sentenced to 8+ years
Six agents suspended
Won't revive immigration law
Trump admin sues California
Ex-doctor refuses to answer
Loan interest to restart
Bitcoin hits record high
US sanctions UN official
Los Angeles joins ACLU suit
Hits $4 trillion market cap
Booker gets max extension
Sinner defeats Shelton
Threatens 50% Brazil tariff
Former Gov. DiPrete dies
Greece blocks asylum claims
Interim NASA administrator
Cracker sandwiches recalled
Barbie with Type 1 diabetes
Cyclist LeMond honored
Harvard faces subpoenas
Confirmed to lead FAA
Cases hit highest level
14th Wimbledon semifinal
To release web browser
Christian Horner sacked
反馈