Structural diversity in lithium aryloxides, Part 2 Page: 2 of 120
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Abstract. A series of arylalcohols [H-OAr where OR = OC6H5, (OPh), OC6H4(2-Me) (oMP),
OC6H3(2,6-Me)2 (DMP), OC6H4(2-Pr) (oPP), OC6H3(2,6-Pr)2 (DIP), OC6H4(2-Bu') (oBP),
OC6H3(2,6-Bu)2 (DBP) where Me = CH3, Pr' = CHMe2, and But = CMe3] were reacted with
LiN(SiMe3)2 in pyridine (py) to generate the appropriate "Li(OAr)(py)," complex. The resultant
products were characterized by single crystal X-ray diffraction as: [Li(OPh)(py)2]2 (1),
[Li(oMP)(py)2]2 (2), [Li(DMP)(py)22 (3), [Li(oPP)(py)22 (4), [Li(DIP)(py)2]2 (5), [Li(oBP)(py)212
(6), and [Li(DBP)(py)]2 (7). Compounds 1 - 6 adopt a dinuclear, edge-shared tetrahedral
complex. For 7, due to the steric crowding of the DBP ligand, only one py is coordinated
yielding a dinuclear fused trigonal planar arrangement. Two additional structure types were also
characterized for the DIP ligand as [Li(DIP)(H-DIP)(py)]2 (5b) and [Li2(DIP)2(py)3] (5c). 67Li
and 3C NMR solid state MAS spectroscopy indicated that the bulk powder was consistent with
the crystalline material. Solution state NMR spectroscopy revealed a symmetric molecule
existed in solution for 1 - 7.
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Boyle, Timothy J.; Pedrotty, Dawn M.; Alam, Todd M.; Vick, Sara C. & Rodriguez, Mark A. Structural diversity in lithium aryloxides, Part 2, article, June 6, 2000; Albuquerque, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc710976/m1/2/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.