A fluorine-containing ether of the formula:
wherein X is a chlorine atom or a bromine atom, and Rf1 and Rf2 are the same or different and a hydrogen atom, a fluorine atom or a fluorine-containing C₁-C₂₀ aliphatic or ether group, m is an integer of 0 to 9 provided that at least one of Rf1 and Rf2 is not a hydrogen atom, and when m is zero (0), neither of Rf1 and Rf2 is a fluorine atom is prepared by reacting at least one compound selected from the group consisting of a fluorine-containing alcohol of the formula:
or a fluorine-containing acetal of the formula:
wherein Rf1, Rf2 and m are the same as defined above with acetaldehyde and at least one hydrogen halide selected from the group consisting of hydrogen chloride and hydrogen bromide.
式中的含
氟醚:
其中 X 是
氯原子或
溴原子,Rf1 和 Rf2 是相同或不同的氢原子、
氟原子或含
氟 C₁-C₂₀ 脂肪族基团或醚基团,m 是 0 至 9 的整数,条件是 Rf1 和 Rf2 中至少有一个不是氢原子、当 m 为 0(0)时,Rf1 和 Rf2 中均不是
氟原子,该化合物是通过与至少一种选自以下组别的化合物反应制备的:式中的含
氟醇:
或 式中的含
氟缩醛:
式中 Rf1、Rf2 和 m 与上述定义相同的化合物与
乙醛和至少一种选自
氯化氢和
溴化氢组的卤化氢。