Facile Syntheses of Titanium(II), Tin(II), and Vanadium(II) Porphyrin Complexes through Homogeneous Reduction. Reactivity of trans-(TTP)TiL2 (L = THF, t-BuNC)
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1998
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Abstract
Facile syntheses of the meso-tetra-p-tolylporphyrin (TTP) complexes trans-(TTP)Ti(THF)2(1), (TTP)Sn (2), and trans-(TTP)V(THF)2 (3) are achieved through homogeneous reduction of high-valent precursors using NaBEt3H. The composition of the new compound trans-(TTP)Ti(THF)2 was determined by spectroscopic and chemical characterization. Ligand displacement reactions of trans-(TTP)Ti(THF)2 with t-BuNC produced a new Ti(II) complex,trans-(TTP)Ti(t-BuNC)2. The ligand-binding preference of (TTP)TiIILn (n = 1, 2) is picoline ∼pyridine > t-BuNC > PhC⋮CPh > EtC⋮CEt > THF.
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Reprinted (adapted) with permission from Inorganic Chemistry 37 (1998): 5, doi:10.1021/ic970961n. Copyright 1998 American Chemical Society.
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Thu Jan 01 00:00:00 UTC 1998