Preparation of (1,4,7-triazacyclononane)Rh(hydrocarbyl)3 compounds and their derivatives. Strong donor labilization of RhC1 bonds toward alkylation and preparation of unusually stable alkyl hydride complexes of rhodium

Organometallics

Volumn 16, Issue 3, 1997, Pages 434-441

  Zhou, Renjie ^a   Wang, Chunming ^a   Hu, Yonghan ^a   Flood, Thomas C ^a  

^a UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000784245     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om960623e     Document Type: Article

References (39)

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19. Although the lithium ions have been omitted from Figure 3 for clarity, they are almost certainly tightly associated in solution as well as in the solid. However, wherever the lithium ions are located, they will have no effect on the symmetry of overlap of the nitrogen lone pairs with the rhodium center. In addition, while the coulombic stabilization of the anion by the cations must be critically important, the bonding is probably essentially completely ionic, and so the lithium cations can relocate to accommodate the redistribution of negative charge within the rhodium complex. Thus, they probably have minimal effects on the extent of charge redistribution by orbital overlap of the nitrogens with rhodium.
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