New Pyridinium Chiral Ionic Liquids.

Abstract

Pyridine derivatives R 0380New Pyridinium Chiral Ionic Liquids. -The physical properties of (I) are determined. The derivative (Ic) is a room-temperature ionic liquid suitable for organic synthesis. -(PATRASCU, C.; SUGISAKI, C.; MINGOTAUD, C.; MARTY, J.-D.; GENISSON, Y.; LAUTH-DE VIGUERIE

Aggregates in Ionic Liquids and Applications Thereof

“…Ionic liquids, 1-butyl-3-methylimidazolium tetrafluoroborate (bmimBF 4 ), 1-butyl-3-methylimidazolium hexafluorophosphate (bmimPF 6 ), 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BmimNTf 2 ), 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (emimNTf 2 ) were purchased from Solvionic (www.solvionic.com; purity≥98 %) and were dried under low pressure around 70°C before use. N-benzylpyridinium bis(trifluoromethylsulfonyl)imide (bnPyNTf 2 ) was synthesized as previously described (Patrascu et al, 2004).…”

Chiral Ionic Liquids in Chromatographic Separation and Spectroscopic Discrimination

“…As indicated earlier, CILs contain either a chiral cation, chiral anion, or both ions may be chiral. Various CILs with chiral cations have been synthesized including chiral imidazolium [42], ammonium [43], pyridinium [44], and azolinium [45]. Representative examples of chiral anions used in the synthesis of CILs include amino acid [46], lactic acid [47], borate [48], and camphorsulfonate [49].…”

Chiral ionic liquids: Synthesis and applications

“…19 Viguerie et al reported the synthesis of some new pyridinium CILs ( XXI -XXIV ) from pyridine and chiral primary amines. 20 Figure 12 shows the steps of the syntheses. Physical properties (glass transition temperature, optical rotation, density, viscosity, and surface tension) of these salts were determined and are listed in Table 1.…”