Yaw-Ting Wu, Yuh-Chou Ho, Chu‐Chieh Lin
Sep 25, 1996
Citations
1
Influential Citations
24
Citations
Journal
Inorganic Chemistry
Abstract
The reactions of TiCl4 and Ti(OiPr)Cl3 with 1−3 molar equiv of 2-propanol give the dimeric complexes [TiCl3(HOiPr)(μ-Cl)]2 (1), [TiCl2(OiPr)(HOiPr)(μ-Cl)]2 (2), and [TiCl2(OiPr)(HOiPr)(μ-OiPr)]2 (3). The reactions are shown to proceed stepwise with the consecutive addition of 2-propanol. Complexes 2 and 3 are dynamic in solution. However, the proton VT NMR studies show that they are static and remain the dimeric features in solution at low temperatures. Two inequivalent methyl environments are observed for the 2-propanol ligand of complex 3, probably due to the intramolecular hydrogen bonding from the isopropanolic hydrogen to the chloride on the second titanium metal center. 2 crystallizes in the orthorhombic space group Pbca with cell parameters of a = 12.605(3) A, b = 12.841(4) A, c = 15.414(4) A, Z = 4, Dcalcd = 1.456 g/cm3, R = 0.049, Rw = 0.062, and GOF = 1.38. 3 crystallizes in the monoclinic space group P21/c with cell parameters of a = 9.457(2) A, b = 15.277(2) A, c = 11.354(4), β = 112.76(2)°, Z...