期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.202100962
关键词
Cyclopentadienyl; Alkaline earths; Metallocenes; ansa-Metallocenes; Half-sandwiches; Hapticity; Heterobimetallics
资金
- SERB [SRG/2019/001931, SB/S2/RJN-028/2018]
- IISER Kolkata
- UGC, India
- CSIR, India
This article provides an overview of the impact of electron-rich cyclopentadienyl and analogous ligands in stabilizing electron-deficient metal centers, particularly alkaline earth metals. It highlights the systematic variation of these compounds from beryllium to barium.
The electron-rich cyclopentadienyl and the analogous indenyl and fluorenyl ligands (collectively denoted here as Cp') have been impactful in stabilizing electron-deficient metal centers including the highly electropositive alkaline earths. Being in the s-block, the group 2 metals follow a major periodic variation in their atomic and ionic properties which is reflected in those Cp' compounds. This article presents an overview of this class of compounds for all the five metals from beryllium to barium (radium is excluded for its radioactivity), highlighting their systematic variation.
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