ChemInform Abstract: Radical Cations of Bis(diphenylphosphino) Derivatives (Ph2P‐R‐PPh2): The Formation of Localized, Cyclic, and Dimeric Configurations. An ESR and Quantum Chemical Study.

Abstract

Radical Cations of Bis(diphenylphosphino) Derivatives (Ph2P-R-PPh2): The Formation of Localized, Cyclic, and Dimeric Configurations. An ESR and Quantum Chemical Study. -Studies of e.g. 1,3-bis(diphenylphosphino)propane or (R)-(+)-2,2'-bis( diphenylphosphino)-1,1'-binaphthyl in CH2Cl2 matrices at 95 K show the presence of radical cations of type (I) and (II); cyclic structures of type (III) are observed in the spectrum of the corresponding substrates. -(JANSSEN, R. A. J.; AAGAARD, O. M.; CABBOLET, M. J. T. F.; DE WAAL, B. F. M.; J. Phys. Chem. 95 (1991) 23, 9256-9263; Lab. Org. Chem., Eindhoven Univ. Technol., 5600 MB Eindhoven, Neth.; EN)