A LEWIS ACID CATALYST SUPPORTED BY POLYMER POLYSTYRENE-TITANIUM TETRACHLORIDE COMPLEX
- 1 March 1985
- journal article
- Published by China Science Publishing & Media Ltd. in Chinese Journal of Applied Chemistry
- Vol. 2 (1) , 29-33
- https://doi.org/10.3724/j.issn.1000-0518.1985.1.2933
Abstract
Polystyrene,cross-linked with 5-7% of divinylbenzene,is combined with TiCl4 in CS2 to form a stable complex containing 4.5% of chlorine. The TiCl4 complexed in the polymer is resistant to water and can store in air at least for one year. The Lewis acid complex catalyst can be used to catalyze the conversion of aromatic aldehydes,carboxylic acids,ketones and some alcohols into corresponding acetals,esters,ketals and ethers in hish yield. The complex is also effective for the Friedel-Crafts alkylation reaction. For these reactions the title catalyst can be used repeatedly 4-5 times.This publication has 0 references indexed in Scilit: