期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 1, 页码 83-90出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201000775
关键词
Zinc; Coordination modes; Guanidine ligands
资金
- Deutsche Forschungsgemeinschaft (DFG)
Due to their high basicity, guanidines are versatile ligand systems. In principal, they could use both their imino and amino nitrogen to establish a dative metal-N bond. However, generally only the imino N of a guanidine ligand is bound to a metal. Herein we present some examples in which both the imino and amino groups of guanidine ligands are directly engaged in the bonding to a metal ion. Under certain conditions the amino group could establish an additional link to a metal center acting as a hemilabile ligand. This result is likely to be of relevance for catalytic reactions, demonstrating the possibility to stabilize a vacancy at the metal (for instance generated by ligand dissociation).
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