申请人:Tsunashima Katsuhiko
公开号:US20080221353A1
公开(公告)日:2008-09-11
The present invention provides an ionic liquid including a quaternary phosphonium salt represented by general formula (1):
wherein R
1
, R
2
, R
3
, and R
4
each represent a linear alkyl group having 1 to 6 carbon atoms, a branched alkyl group having 3 to 6 carbon atoms, an alicyclic alkyl group having 3 to 6 carbon atoms, or an alkoxyalkyl group represented by —(CH
2
)
n
O—R
5
(wherein n is an integer of 1 to 6; and R
5
represents a methyl group or an ethyl group); at least one of R
1
, R
2
, R
3
, and R
4
is an alkoxyalkyl group; R
1
, R
2
, R
3
, and R
4
may be the same or different; R
1
and R
2
together may form a ring; and X represents an anion. The present invention also provides a reaction solvent including the ionic liquid.
本发明提供了一种离子液体,包括由通用式(1)表示的季铵磷酸盐,其中R1、R2、R3和R4分别代表具有1至6个碳原子的直链烷基基团、具有3至6个碳原子的支链烷基基团、具有3至6个碳原子的脂环烷基基团,或者由—(CH2)nO—R5表示的烷氧基烷基基团(其中n为1至6的整数;R5代表甲基基团或乙基基团);R1、R2、R3和R4中至少有一个是烷氧基烷基基团;R1、R2、R3和R4可以相同也可以不同;R1和R2可以共同形成一个环;X代表阴离子。本发明还提供了一种包括该离子液体的反应溶剂。