Interconversion of planar and nonplanar N-amido ligands. Thermodynamically stable nonplanar N-amido ligands

FC Anson, TJ Collins, SL Gipson…

Index: Anson, Fred C.; Collins, Terrence J.; Gipson, Stephen L.; Keech, John T.; Krafft, Terry E.; Peake, Geoffrey T. Journal of the American Chemical Society, 1986 , vol. 108, # 21 p. 6593 - 6605

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Citation Number: 36

Abstract

Abstract: An unexpected structural feature of organic amido ligating, polyanionic chelating (PAC) ligands has been discovered. Oxidation of tran~-Os (?~-l)(t-Bupy)~, 3 (H41= 1, 2-bis (3, 5-dichloro2-hydroxybenzamido)-4, 5-dichloro~ nzene), by 1 faraday per mol yields an equilibrium mixture of 3'and the cis-a diastereomer, 4'. Subsequent one-electron reduction with ferrocene produces a separable nonequilibrium mixture of 3 and 4. Compound 4 ...