نتایج جستجو برای: metallocenes

تعداد نتایج: 172  

Journal: :Chem 2021

Ei-ichi Negishi will remain known for pioneering and promoting the development of transition-metal catalyzed reactions in organic synthesis as well fostering excellence critical thinking among his collaborators. During lifetime, with wife Sumire by side, he conquered many continents: chemical world, name is associated cross-coupling, cascade reactions, carbopalladation, zirconocene chemistry, a...

2012
Gen Luo Yi Luo Jingping Qu Zhaomin Hou

This paper reports computational studies on the ortho alkylation of pyridines via C−H addition to olefins catalyzed by cationic half-sandwich rare-earth alkyl species. A detailed mechanism concerning the generation of catalytically active species and C−H addition has been computationally investigated at the molecular and electronic levels. The results support the mechanism based on experiments,...

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