Electron Transfer and Polar Reactions of Cyclizable Anion Radicals: Structural Consequences of Orbital Selection Rules and Chain-Length Constraints
摘要:
Transition states for electron transfer with strong bonding interactions are reported in the reactions of anion radicals 1 (n = 2,3). The heights of the activation barriers for the substitution and electron transfer pathways leading to 2 and 3, respectively, are a function of the length n of the methylene chain. This is predicted on the basis of orbital selection rules derived from valence bond configuration mixing analysis, and confirmed here by ab initio calculations.
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DOI:
10.1002/anie.199514951
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年份:
1995
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