A halogenated alkene compound and a halogenated alkyne compound are obtained at a high conversion rate and high selectivity by employing any of the following methods (1) to (4):
(1) a halogenated butane compound represented by CX1X2X3CHX4CFHCX5X6X7, wherein X1, X2, X3, X4, X5, X6, and X7 are the same or different and each is a halogen atom, to a dehydrofluorination reaction;
(2) a halogenated butene compound represented by CX1X2X3CX4=CHCX5X6X7, wherein X1, X2, X3, X4, X5, X6, and X7 are as defined above, to a dehydrohalogenation reaction;
(3) a halogenated alkane compound represented by CHX8A1CHX9A2, wherein A1 and A2 are each a fluorine atom or a perfluoroalkyl group, and X8 and X9 are the same or different and each is a halogen atom, to a dehydrohalogenation reaction in the presence of a catalyst in a gas phase; and
(4) a halogenated alkene compound represented by CX8A1=CHA2, wherein A1, A2, and X8 are as defined above, to a dehydrohalogenation reaction in the presence of a catalyst.
采用下列方法(1)至(4)中的任一种,以高转化率和高选择性获得卤代烯化合物和卤代炔化合物:
(1) 以 CX1X2X3CHX4CFHCX5X6X7 为代表的卤代
丁烷化合物,其中 X1、X2、X3、X4、X5、X6 和 X7 相同或不同,且各自为卤原子,进行脱氢
氟化反应;
(2) 以 CX1X2X3CX4=CHCX5X6X7 表示的卤代
丁烯化合物,其中 X1、X2、X3、X4、X5、X6 和 X7 如上定义,进行脱氢卤化反应;
(3) 以 CHX8A1CHX9A2 代表的卤代
烷烃化合物,其中 A1 和 A2 各为
氟原子或
全氟化烷基,X8 和 X9 相同或不同且各为卤原子,在气相中催化剂存在下进行脱氢卤化反应;以及 (4) 以 CHX8A1CHX9A2 代表的卤代
烷烃化合物,其中 A1 和 A2 各为
氟原子或
全氟化烷基,X8 和 X9 相同或不同且各为卤原子,在气相中催化剂存在下进行脱氢卤化反应。
(4) CX8A1=CHA2 所代表的卤代烯化合物,其中 A1、A2 和 X8 如上文所定义,在催化剂存在下进行脱氢卤化反应。