申请人:——
公开号:US20010034456A1
公开(公告)日:2001-10-25
This invention relates to a composition producible by mixing an iron carbonyl complex selected from among the group Fe(CO)
5
, Fe
2
(CO)
9
, Fe
3
(CO)
12
or of anhydrous iron salts Fe
m
X
n
, wherein m=1 or 2 and n=2 or 3 and X=halide, carbonate, nitrate, nitrite, sulfide, sulfate, phosphate, rhodanide, acetate, acetylacetonate or a mixture of two or three of these compounds with a cyclopentadiene derivative of the general formula I,
1
wherein
R
1
to R
5
mutually independently denote H, C
1
to C
12
alkyl, C
5
to C
8
cycloalkyl, which may in turn bear C
1
to C
12
alkyl groups, C
6
to C
14
aryl, alkylaryl, arylalkyl, wherein two adjacent residues may together form saturated or unsaturated C
3
to C
14
cycles, or denote —SiR
6
R
7
R
8
, wherein R
6
to R
7
may mutually independently mean C
1
to C
4
alkyl, C
5
to C
8
cycloalkyl or C
6
to C
14
aryl, and 1,4-dichloro-2-butene and/or 3,4-dichloro-1-butene, and to the use thereof as a catalyst, in particular in a process for isomerizing 1,4-dichloro-2-butene to yield 3,4-dichloro-1-butene or vice versa.
本发明涉及一种组合物,通过将选自 Fe(CO)
5
、Fe
2
(CO)
9
铁
3
(CO)
12
或无水铁盐 Fe
m
X
n
其中m等于1或2,n等于2或3,X等于卤化物、碳酸盐、硝酸盐、亚硝酸盐、硫化物、硫酸盐、磷酸盐、络丹酸盐、乙酸盐、乙酰丙酮盐或上述两种或三种化合物与通式I的环戊二烯衍生物的混合物、
1
其中
R
1
至 R
5
相互独立地表示 H、C
1
至 C
12
烷基、C
5
至 C
8
环烷基,而环烷基又可能带有 C
1
至 C
12
烷基、C
6
至 C
14
芳基、烷芳基、芳烷基,其中相邻的两个残基可共同形成饱和或不饱和的 C
3
至 C
14
循环,或表示 -SiR
6
R
7
R
8
其中 R
6
至 R
7
可以相互独立地表示 C
1
至 C
4
烷基、C
5
至 C
8
环烷基或 C
6
至 C
14
和 1,4-二氯-2-丁烯和/或 3,4-二氯-1-丁烯,并将其用作催化剂,特别是在将 1,4-二氯-2-丁烯异构化生成 3,4-二氯-1-丁烯或反向异构化生成 3,4-二氯-1-丁烯的工艺中。