2024
DOI: 10.1021/acs.inorgchem.4c01111
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Studies on the Coordination Patterns of Diamine-Bridged Tetraphenoxy Ligands with Group 3 and 4 Metals

Yongjie Chen,
Liye Qu,
Thierry Roisnel
et al.

Abstract: Alkane elimination reactions between the diamino-and dianilino-bridged tetrakis(phenolate) proligands 1a,b-H 4 and precursors M(CH 2 SiMe 3 ) 3 (THF) 2 , M(CH 2 C 6 H 4 -o-NMe 2 ) 3 (M = Sc and Y), and Hf(CH 2 Ph) 4 were investigated. The diaminobridged 1a-H 4 afforded nonsymmetric complex 2a-Y 2 incorporating two metal centers in different coordination environments. This one and other dinuclear compounds 2b-Sc 2 , 2a-Hf 2 , and 2b-Hf 2 were characterized by NMR spectroscopy, elemental analysis, and X-ray diff… Show more

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