Degenerate Pathways for Metallacycle Ring Inversions: A Common Phenomenon Consistent with the Principle of Microscopic Reversibility
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- 作者：Roger G. Letterman ; Charles B. Duke ; III ; Tung T. To ; Theodore J. Burkey ; Charles Edwin Webster
- 刊名：Organometallics
- 出版年：2014
- 出版时间：November 10, 2014
- 年：2014
- 卷：33
- 期：21
- 页码：5928-5931
- 全文大小：288K
- ISSN：1520-6041
文摘
Competing degenerate pathways for ring inversion in organometallic complexes are proposed to be ubiquitous examples that adhere to the principle of microscopic reversibility. The NMR spectra for ring inversion of two chromium arene dicarbonyl pyridyl chelates ([Cr{畏6-C6H5(CH2)n(2-Py-魏N)}(CO)2]; 2-Py = 2-pyridyl, n = 2 (1), and 3 (2)) and a manganese cyclopentadienyl dicarbonyl methyl sulfide chelate ([Mn{畏5-C5H4COC(SCH3)2(SCH3-魏S)}(CO)2] (3)) were characterized via variable-temperature NMR spectroscopy and DFT theoretical calculations.