| abstract |
The present invention provides novel stable compounds having valuable characteristics and usable as ionic liquids, and methods for producing them. The following equation (1) Wherein X = N, P, O or S, n = 0, an integer selected from 1 or 2, and A = saturated, partially or fully unsaturated 3-8 membered hydrocarbon chain. , R1 = -H or alkyl etc. under the condition that there is no bond to a positively charged heteroatom], and their use as ionic liquids. [Selection figure] None |