Catalysis Across A Ring Rachel Petkewich BONDING SPECIFIC carbon centers across sterically congested rings can be nearly impossible without the right catalyst. ring crossing An optimized catalyst (in which R = 2-fluorophenyl) mediates this asymmetric transannula ...
化学家找到寻找铂等贵金属的简便方法 钯、铂这类贵金属能在化学反应中起到催化剂的 作用,因此在汽车、化学和制药等领域有重要应用,但寻找这些稀有金属并不容易。来自Pittsburgh大学的化学家发现了一种快速简便且低成本的探测钯 /铂的方法。结果发表在9月21日的在线版《Journal of the American Chemical Societ ...