| 摘要 |
1,268,860. 2-Methylbut-3-en-2-ol. BADISCHE ANILIN- & SODA-FABRIK A.G. 22 Aug., 1969 [23 Aug., 1968], No. 41890/69. Heading C2C. 2-Methylbut-3-en-2-ol is prepared by isomerizing 2-methylbut-2-en-4-ol at -30‹ to + 150‹ C. with an acid catalyst which is substantially insoluble in the starting material. The catalyst may be an immiscible solution but is preferably solid e.g. acid aluminium oxide, zeolites, B 2 O 3 , heteropolyacids and ion exchange resins. A solvent may be used. |
