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
最佳匹配
最新
资讯
生物通
13 天
镁离子促进的 (Z)-选择性甲氧基嵌入Weinreb酰胺型Horner ...
研究人员开发了一种镁离子促进的甲氧基嵌入Weinreb酰胺型Horner-Wadsworth-Emmons(HWE)反应,成功实现了高收率、高(Z)-选择性的α,β-不饱和羰基化合物合成。该反应适用于脂肪醛和芳香醛等多种底物,所得产物可进一步转化为α,β-不饱和酮、β-酮Weinreb酰胺等关键中间体,为复杂分子构建提供了新策略。
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
Ex-doctor refuses to answer
Cause of death revealed
Family members swept away
Midair collision in Manitoba
Former Gov. DiPrete dies
'Click-to-cancel' blocked
Discharged from hospital
American Kennel Club sued
Floats 200% pharma tariffs
Milan airport tragedy
Turkish court bans Grok
Nebraska sues GM
Announces anti-graft plan
Chinese man charged
Philly workers to end strike
Russia batters Ukraine
Guatemala earthquakes
Christian Horner sacked
US sanctions NK hacker
To buy Verona Pharma
Cracker sandwiches recalled
Greece blocks asylum claims
Invests in EssilorLuxottica
Hits $4 trillion market cap
Hosts West African leaders
New Mexico flooding
5-yr extension w/ Thunder
反馈