| 摘要 |
1494453 3 - Methyl - 2 - halobut - 1 - en- 3-ols ANIC SpA 30 Jan 1976 [3 Feb 1975] 03870/76 Heading C2C 3 - Methyl - 2 - halobut - 1 - en - 3 - ols of the formula (CH 3 ) 2 C(OH)-CX=CH 2 , wherein X is a halogen atom, e.g. the novel compound in which X is bromine, are obtained by reacting methyl butynol (CH 3 ) 2 C(OH)-C#CH with hydrogen halides (HX), in the gas phase in a molar ratio of 0À5 to 5 : 1. |
