Ionic liquids based on imidazolium salts incorporating a nitrile functionality
Novel chemical compounds of the general formula K<+>A<->, in which K<+> is a 5- or 6- membered heterocyclic ring having 1-3 hetereo atoms, which can be independently N, S, or 0 with the proviso that at least one of the hetereo atoms must be a quaternized nitrogen atom having a -R'CN substituent, wherein R' is alkyl (C1 to C12) the heterocyclic ring having up to 4 or 5 substituents independently chosen from the moieties: (i) H (ii) halogen or (iii) alkyl (C1 to C12) , which is unsubstituted or partially or fully substituted by further groups, preferably F, Cl, N(CnF(2n+1-x)Hx)2, O(CnF(2n+1-x)Hx), S02(CnF(2n+1-x)Hx)2 or CnF(2n+1-x)Hx where 1<n<6 and 0<x<13 and (iv) a phenyl ring which is unsubstituted or partially or fully substituted by further groups, preferably F, Cl, N(CnF(2n+1-x.)Hx.)2, O(CnF(2n+1-x)Hx), S02(CnF(2n+1-x)Hx)2 or CnF(2n+1-x)Hx where 1<n<6 and 0<X<=13 AND A<-> is any anion that provides a salt with a low melting point, below about 100 DEG C A<-> can be halide, BF4<- >, PF6<->, N03<->, CH3CO2<->, CF3SO3<->, (CF3SO2)2N<->, (CF3SO2)3C<-> CF3CO2<-> or N(CN)2<-> or [BF3RCN]<->. These compounds can be used as industrial solvents, especially as ligands for efficient catalyst recycling.
34216151
Alternative title(s) : (de) Ionische flüssigkeiten basierend auf imidazoliumsalzen mit einer nitrilfunktionalität (fr) Liquides ioniques a base de sels d'imidazolium incorporant une fonctionnalite nitrile
TTO:6.0414
Patent number | Country code | Kind code | Date issued |
PL1660457 | PL | T3 | 2012-05-31 |
US2012108820 | US | A1 | 2012-05-03 |
ES2374195 | ES | T3 | 2012-02-14 |
US8101777 | US | B2 | 2012-01-24 |
PT1660457 | PT | E | 2011-12-13 |
AT526314 | AT | T | 2011-10-15 |
JP4791361 | JP | B2 | 2011-10-12 |
EP1660457 | EP | B1 | 2011-09-28 |
KR20110091827 | KR | A | 2011-08-12 |
CN1839122 | CN | B | 2010-10-13 |
CN101817785 | CN | A | 2010-09-01 |
US2009143597 | US | A1 | 2009-06-04 |
AU2004266847 | AU | B2 | 2008-08-07 |
JP2007503415 | JP | A | 2007-02-22 |
BRPI0414005 | BR | A | 2006-10-24 |
CN1839122 | CN | A | 2006-09-27 |
KR20060069470 | KR | A | 2006-06-21 |
EP1660457 | EP | A1 | 2006-05-31 |
MXPA06002214 | MX | A | 2006-04-27 |
AU2004266847 | AU | A1 | 2005-03-03 |
CA2534864 | CA | A1 | 2005-03-03 |
WO2005019185 | WO | A1 | 2005-03-03 |