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• W1990702952 endingPage "4621" @default.
• W1990702952 startingPage "4610" @default.
• W1990702952 abstract "Abstract A series of (amine)bis(phenolato)iron(III)acac complexes has been prepared and characterized. Reaction of Fe(acac) 3 with the diprotonated linear tetradentate proligand N , N′ ‐bis(4,6‐di‐ tert ‐butyl‐2‐methylphenol)‐ N , N′ ‐dimethyl‐1,2‐diaminoethane, H 2 [ L1 ], and tripodal tetradentate ligand precursors dimethylaminoethylamino‐ N , N ‐bis(2‐methylene‐4,6‐di‐ tert ‐butylphenol), H 2 [ L2 ], dimethylaminoethylamino‐ N , N ‐bis(2‐methylene‐4‐methyl‐6‐ tert ‐butylphenol), H 2 [ L3 ], 2‐methoxyethylamino‐ N , N ‐bis(2‐methylene‐4,6‐di‐ tert ‐butylphenol), H 2 [ L4 ], 2‐methoxyethylamino‐ N , N ‐bis(2‐methylene‐4‐methyl‐6‐ tert ‐butylphenol), H 2 [ L5 ], and 2‐methoxyethylamino‐ N , N ‐bis(2‐methylene‐4,6‐dimethylphenol), H 2 [ L6 ], produces the distorted octahedral Fe III complexes [ L1 ]Fe(acac) ( 1 ), [ L2 ]Fe(acac) ( 2 ), [ L3 ]Fe(acac) ( 3 ), [ L4 ]Fe(acac) ( 4 ), [ L5 ]Fe(acac) ( 5 ), and [ L6 ]Fe(acac) ( 6 ). In all of these complexes, the phenolato oxygen atoms are cis ‐oriented. The paramagnetic Fe III complexes 1 – 6 were also characterized by UV/Vis and IR spectroscopy, mass spectrometry, cyclic voltammetry, and magnetic measurements. Single crystal X‐ray molecular structures have been determined for complexes 1 , 2 , 3 , 5 , and the proligand H 2 [ L6 ]. Preliminary investigations of complexes 1 – 6 for catalytic cross‐coupling reactions of aryl Grignard reagents with cyclic and acyclic secondary alkyl halides and benzyl halides were performed. While the activity for cyclohexyl chlorides and bromides was high, cross‐coupling of benzyl halides was moderate and 2‐bromo‐ and 2‐chlorobutane gave poor yields of cross‐coupled product." @default.
• W1990702952 created "2016-06-24" @default.
• W1990702952 creator A5004948560 @default.
• W1990702952 creator A5041470006 @default.
• W1990702952 creator A5054133177 @default.
• W1990702952 date "2011-09-02" @default.
• W1990702952 modified "2023-10-16" @default.
• W1990702952 title "Synthesis, Structure, and C–C Cross‐Coupling Activity of (Amine)bis(phenolato)iron(acac) Complexes" @default.
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