Fe(III) Bis-Alkynyls Supported by the TIM Macrocycle: Molecular and Electronic Structures and Altering the Nature of Charge Transfer Transitions through Reduction
Prakhar Gautam,
Reese A. Clendening,
Andrew T. Poore
et al.
Abstract:The bis-alkynyl complexes based on
FeIII(TIM)
(TIM =
2,3,9,10-tetramethyl-1,4,8,11-tetraazacyclotetradeca-1,3,8,10-tetraene)
are reported herein. A modified synthesis of trans-[Fe(TIM)Cl2]PF6 ([1]PF6) in a 90% yield was developed. The reaction between [1]PF6 and LiC2R (R = Ph, SiEt3, or
SiiPr3) resulted in the bis-alkynyl complexes, trans-[Fe(TIM)(C2R)2]PF6, in good yields, 43% for 2 (R = Ph), 29% for 3 (R = SiEt3), and 18% for 4 (R =
SiiPr3). X-ray diffraction studies yielded molecular
structures of complexes… Show more
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