The Ligand??Exchange Process of P–Hapical Phosphoranes and the Thermal Formation and Pseudorotation of Anti??Apicophilic Spirophosphoranes

…, M Nakamoto, S Matsukawa, K Akiba

Index: Kojima, Satoshi; Kajiyama, Kazumasa; Nakamoto, Masaaki; Matsukawa, Shiro; Akiba, Kin-Ya European Journal of Organic Chemistry, 2006 , # 1 p. 218 - 234

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Citation Number: 7

Abstract

Abstract Monocyclic P–H apical phosphoranes 10 bearing a ring-opened Martin ligand are formed upon treatment of the P–H equatorial spirophosphorane 7 with more than 2 equiv. of alkyllithium compounds. A ligand-exchange process of these phosphoranes 10 involving the interconversion of the bidentate Martin ligand with the monodentate Martin ligand was found to proceed, probably through a hexacoordinate phosphorus atom. Heating of 10 in ...