| 摘要 |
1492275 Tertiary olefins SNAMPROGETTI SpA 17 July 1975 [2 Aug 1974] 30113/75 Heading C5E Tertiary olefins are prepared by the decomposition of tertiary ethers with a catalyst comprising active alumina modified by reaction with a silicon compound wherein W, X, Y and Z are R 1 , OR, Cl, Br, SiH 3 or SiH n Cl m R being H, alkyl, cycloalkyl, aryl, aralkyl, or alkyl cycloalkyl containing up to 30 carbon atoms and n and m being integers of HO 3 (m+n=3), followed by drying and controlled oxidation. Examples describe the decomposition of methyl tertiary butyl ether to isobutylene and methanol. |
