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Efficient biphasic hydroaminomethylation of long chain olefins in ionic liquids
- Wang, Ying Yong, Luo, Mei Ming, Lin, Qi, Chen, Hua, Li, Xian Jun
- Green chemistry 2006 v.8 no.6 pp. 545-548
- alkenes, catalysts, green chemistry, ionic liquids, secondary amines
- Hydroaminomethylation of long chain olefins with secondary amines was performed efficiently in ionic liquids 1-n-alkyl-3-methylimidazolium tosylates [Rmim][p-CH₃C₆H₄SO₃] (R = n-butyl, octyl, dedecyl, cetyl) with Rh-BISBIS (sulfonated 2,2′-bis(diphenylphosphinomethyl)-1,1′ -biphenyl) complex as catalyst. High activity and selectivity for amines were achieved. The ionic liquid containing catalyst can be easily separated from product and re-used several times with only a slight decrease in activity.