Synthesis and spectroscopic studies of homo- and heteroleptic N-arylsalicylaldiminates of titanium(IV), zirconium(IV) and chromium(III) |
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Authors: | Mishra Shashank Singh Anirudh |
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Institution: | (1) Department of Chemistry, University of Rajasthan, Jaipur, 302 004, India;(2) Present address: Department of Chemistry, Institute of Basic Sciences, Bundelkhand University, Jhansi, 284 218, India;(3) Department of Chemistry, University of Rajasthan, Jaipur, 302 004, India |
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Abstract: | Homo- and heteroleptic N-arylsalicylaldiminate derivatives of TiIV and ZrIV of the type, MX4–x
(OC6H4CH=NAr)
x
(X = OPri, x = 2,3; X = Cl, x = 1,2,3,4; Ar = C6H3Me2-2,6, C6H3Et2-2,6) have been prepared by reactions in the desired molar ratios of: (i) Ti(OPri)4/Zr(OPri)4·PriOH with N-arylsalicylaldimines in benzene, and (ii) MCl4 (M = Ti, Zr) with Me3SiOC6H4CH=NAr or HOC6H4CH=NAr in the presence of Et3N as a base or the potassium salt of N-arylsalicylaldimines in benzene. The three homoleptic derivatives of CrIII, Cr(OC6H4CH=NAr)3 (Ar = C6H2Me3-2,4,6, C6H3Et2-2,6, C6H3Pri
2-2,6) have also been prepared by salt-elimination. All of these new derivatives have been characterized by elemental analyses, spectroscopic i.r., 1H and 13C-n.m.r. (Ti and Zr complexes), and electronic (for Cr complexes)] studies, as well as molecular weight measurements. |
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Keywords: | |
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