Synthesis of New Derivatives of BEDT-TTF: Installation of Alkyl, Ethynyl, and Metal-Binding Side Chains and Formation of Tris(BEDT-TTF) Systems.

Autor: Songjie Yang, Zecchini, Matteo, Brooks, Andrew C., Krivickas, Sara J., Dalligos, Desiree M., Matuszek, Anna M., Stares, Emma L., Pilkington, Melanie, Wallis, John D.
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Zdroj: Magnetochemistry; Aug2021, Vol. 7 Issue 8, p1-15, 15p
Abstrakt: The syntheses of new BEDT-TTF derivatives are described. These comprise BEDT-TTF with one ethynyl group (HC≡C-), with two (n-heptyl) or four (n-butyl) alkyl side chains, with two trans acetal (-CH(OMe)2) groups, with two trans aminomethyl (-CH2NH2) groups, and with an iminodiacetate (-CH2N(CH2CO2-)2 side chain. Three transition metal salts have been prepared from the latter donor, and their magnetic properties are reported. Three tris-donor systems are reported bearing three BEDT-TTF derivatives with ester links to a core derived from benzene-1,3,5-tricarboxylic acid. The stereochemistry and molecular structure of the donors are discussed. X-ray crystal structures of two BEDT-TTF donors are reported: one with two CH(OMe)2 groups and with one a -CH2N(CH2CO2Me)2 side chain. [ABSTRACT FROM AUTHOR]
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