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Sodium-mediated manganation: direct mono- and dimanganation of benzene and synthesis of a transition-metal inverse-crown complex

Carrella, L.M. and Clegg, William and Graham, D.V. and Hogg, L.M. and Kennedy, A.R. and Klett, J. and Mulvey, R.E. and Rentschler, E. (2007) Sodium-mediated manganation: direct mono- and dimanganation of benzene and synthesis of a transition-metal inverse-crown complex. Angewandte Chemie, 46 (25). pp. 4662-4666. ISSN 0044-8249

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Abstract

Inside out approach: Twofold deprotonation of benzene by a sodium monoalkyl bisamido manganate(II) reagent derived from BuNa, 2,2,6,6-tetramethylpiperidine, and Mn(CH2SiMe3)2 has produced the first inverse-crown complex in which the transition-metal atoms are incorporated in the host (see X-ray structure, blue N, green Na, purple Mn). Variable-temperature magnetization measurements show that the complex is antiferromagnetic.