Abstract
AbstractThe interaction of titanium tetrachloride and alcohols in benzene and carbon tetrachloride has been studied by means of infrared spectroscopy. A “continuous variation” study of various absorption bands has allowed establishment of two different interactions: one involving a 1:1 alcohol‐titanium tetrachloride ratio and another at 3:1. High‐resolution spectroscopy in the 3 μ region for the latter indicates well‐defined hydrogen bonding of the intramolecular kind. This has been interpreted in terms of the alcohols being both reacted and coordinated in a titanium complex. Significantly, polymerization activity of the titanium compound decreases sharply when alcohol is in molar excess and goes to zero at a 3:1 ratio. The effect of added aluminum triethyl on the infrared spectrum of the propanol–titanium tetrachloride 3:1 complex in the 3 μ region was observed. Significant changes in the OH stretching modes were noted. Interaction spectra of propanol–methyl titanium trichloride were also recorded.
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