Imidazolium-Methyl Sulfites for Use as Starting Compounds for Producing Ionic Liquids
申请人:Szarvas Laszlo
公开号:US20070255064A1
公开(公告)日:2007-11-01
Imidazolium methylsulfites of the general formula (I)
where the radicals have, independently of one another, the following meanings:
R
1
to R
3
: hydrogen, halogen, hydroxy, amino, aminocarbonyl, sulfo, cyano, nitro;
C
1
-C
20
-alkyl, C
2
-C
20
-alkenyl, C
2
-C
20
-alkynyl, C
1
-C
20
-alkyloxy, C
2
-C
20
-alkenyloxy, C
2
-C
20
-alkynyloxy, C
1
-C
20
-alkylcarbonyl, C
1
-C
20
-alkyloxycarbonyl, C
1
-C
20
-acyloxy, C
1
-C
20
-alkylaminocarbonyl, di(C
1
-C
20
-alkyl)aminocarbonyl, C
1
-C
20
-alkylamino, di(C
1
-C
20
-alkyl)amino, C
1
-C
20
-alkylsulfonyl, C
3
-C
8
-cycloalkyl, where the alkyl, alkenyl, alkynyl and cycloalkyl groups mentioned can be substituted and/or have their CH
2
groups replaced by oxygen; phenyl, phenoxy, where these can in turn be substituted;
R
4
: sulfo;
C
1
-C
20
-alkyl, C
2
-C
20
-alkenyl, C
2
-C
20
-alkynyl, C
3
-C
8
-cycloalkyl, where the alkyl, alkenyl, alkynyl and cycloalkyl groups mentioned can be substituted and/or have their CH
2
groups replaced by oxygen; phenyl, where this can be substituted; or
R
1
together with R
4
, and/or R
2
together with R
3
, or R
4
together with R
2
:
alkylene —(CH
2
)
n
— where n=4, 5 or 6 or butadienylene —CH═CH—CH═CH—, where these can be substituted and/or have the CH
2
groups replaced by oxygen and the CH groups replaced by NR
5
.
通式(I)的咪唑甲基亚磺酸盐,其中基团独立地具有以下含义:R1至R3:氢、卤素、羟基、氨基、氨基甲酰、磺酰、氰基、硝基;C1-C20烷基、C2-C20烯基、C2-C20炔基、C1-C20烷氧基、C2-C20烯氧基、C2-C20炔氧基、C1-C20烷基羰基、C1-C20烷氧羰基、C1-C20酰氧基、C1-C20烷基氨基甲酰、二(C1-C20烷基)氨基甲酰、C1-C20烷基氨基、二(C1-C20烷基)氨基、C1-C20烷基磺酰基、C3-C8环烷基,其中所述的烷基、烯基、炔基和环烷基可以被取代和/或其CH2基团被氧取代;苯基、苯氧基,其中这些可以被取代;R4:磺酰基;C1-C20烷基、C2-C20烯基、C2-C20炔基、C3-C8环烷基,其中所述的烷基、烯基、炔基和环烷基可以被取代和/或其CH2基团被氧取代;苯基,其中这可以被取代;或者R1和R4、R2和R3、或R4和R2一起:烷基链—(CH2)n—,其中n = 4、5或6或丁二烯基链—CH═CH—CH═CH—,其中这些可以被取代和/或其CH2基团被氧取代,CH基团被NR5取代。